Climate and monthly weather forecastSavannah, GA
Savannah, Georgia, USA - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. As for precipitation, rainfall in Savannah is a common occurrence all year, with August witnessing the highest rainfall of 4.33" (110mm) per month. The summer months, from June through August, turn Savannah into a hot and humid city with temperatures ranging from 82.2°F (27.9°C) in June to 90.5°F (32.5°C) in July, followed by a slight dip to 89.8°F (32.1°C) in August.
Climate and monthly weather forecast
The climate of Savannah
Savannah, Georgia, USA, enjoys a predominantly humid subtropical climate according to the Köppen climate classification, denoted as Cfa. No dry season characterizes this climate zone, foreshadowing Savannah's year-round rainfall. Considering the temperatures, the mercury column fluctuates between 43.7°F (6.5°C) to 90.5°F (32.5°C), with the warmest period being from June to August. On the opposite end, the cooler weather sets in between December and February, with temperatures stooping to between 43.7°F (6.5°C) and 61.7°F (16.5°C) in these winter months.As for precipitation, rainfall in Savannah is a common occurrence all year, with August witnessing the highest rainfall of 4.33" (110mm) per month. However, Savannah's aridity is never a concern as even the driest month, January, receives a fair share of 1.38" (35mm) of rainfall. Throughout the year, wind velocity varies subtly, with all months experiencing speeds barely over 7mph (11.3km/h). Gust speeds peak at 12.4mph (20km/h) in April, indicating that heavy wind conditions are negligible.
The relative humidity remains comfortably consistent throughout the year, typically ranging from 71% to 77%, ensuring that Savannah's atmosphere is neither too dry nor excessively humid. While it lacks a designated dry season, Savannah does bear witness to rare snowy days in December and January, with snowfall measuring a mere 0.04" (1mm). Sunshine hours fluctuate from 5.4 hours to 11 hours per day, indicating plenty of fair-weather days, particularly between May and August.
The best time to visit Savannah
Visitors seeking mild weather with ample sunshine might find the period from March to May ideal for a trip to Savannah. During these spring months, the temperature averages from 58.1°F (14.5°C) to 75.7°F (24.3°C), paving the way for pleasant vacation conditions. In addition, the daylight hours stretch up to 13 hours a day, with almost 7.7 to 9.6 hours of sunshine to enjoy outdoor activities. Even though the rainfall is relatively high in April, averaging 2.52" (64mm), it is evenly distributed over the month, allowing for occasional breaks from the rain.The worst time to visit Savannah
Travelers might want to avoid visiting Savannah from June to August when the temperatures soar up to 88°F (31.1°C) to 90.5°F (32.5°C). Apart from the simmering heat, the heightened humidity during these summer months can make the overall weather rather uncomfortable. Moreover, the average rainfall in these months runs high, peaking at 4.33" (110mm) in August.Spring weather in Savannah
From March to May, spring in Savannah is heralded by blooming flowers and a mild climate. Average temperatures range from 58.1°F (14.5°C) in March to 75.7°F (24.3°C) in May. Despite the occasional showers, with the monthly rainfall ranging from 1.93" (49mm) in March to 2.52" (64mm) in April, the season is quite ideal for outdoor activities thanks to reasonably warm temperatures and abundant daylight hours.Summer weather in Savannah
The summer months, from June through August, turn Savannah into a hot and humid city with temperatures ranging from 82.2°F (27.9°C) in June to 90.5°F (32.5°C) in July, followed by a slight dip to 89.8°F (32.1°C) in August. Precipitation also increases during this period with a sharp rise from 1.97" (50mm) in May to 3.39" (86mm) in June, eventually hitting the annual high of 4.33" (110mm) in August.Autumn weather in Savannah
As summer recedes, the city experiences a blend of warm days and cool nights in the autumn months of September through November. Average temperatures fall gradually from 85.5°F (29.7°C) in September to 67.1°F (19.5°C) in November. While September is moderately rainy with 2.36" (60mm) of rainfall, the precipitation amounts drop consecutively in October and November to 2.36" (60mm) and 1.46" (37mm), respectively, making autumn the driest season in Savannah.Winter weather in Savannah
Winter in Savannah is reasonably mild, with temperatures hovering between 49.1°F (9.5°C) and 61.7°F (16.5°C) from December to February. Occasional snowfall lightly dusts the city in December and January with a very marginal average of 0.04" (1mm). Despite the coolness, the winter months also bring in fairly long days of up to 10.5 hours of daylight in December coupled with 5.4 to 6 hours of sunshine, ensuring plenty of daylight for winter travelers. The rainfall also sees an uptick in December and a gradual decline in the subsequent months.Weather in January
The weather in Savannah, Georgia in January showcases winter season with mild chill. The lowest temperature observed is 43.7°F (6.5°C) and the sea temperature stands at a chilly 57°F (13.9°C). Compared to February, January experiences lesser daylight hours and fewer sunshine days. Weather in January »Weather in February
February brings a gentle reassurance of Spring's arrival to Savannah, Georgia. Noticeable changes include an increase in daylight hours and sunshine leading to temperatures climbing to a high point of 62.4°F (16.9°C). While humidity sees a minor jump, the rain days increase slightly from January's count. Weather in February »Weather in March
March in Savannah, Georgia signifies a clear transition from winter to spring. Daylight hours increase significantly and the temperature begins a steady climb, reaching a comfortable average of 67.8°F (19.9°C). Rainfall days have also risen, reaching their peak for the first half of the year. Weather in March »Weather in April
Coming into April, Savannah, Georgia begins to experience a consistent pattern of warmer weather. In comparison to the previous month, the sea temperature in April raises significantly to a more welcoming 65.5°F (18.6°C). The lengthening daylight hours combined with increased sunshine hours signifies the complete arrival of Spring. Weather in April »Weather in May
May signifies the true arrival of summer in Savannah, Georgia. The most notable feature is the increase in temperature with the highest average temperature climbing up to 82.2°F (27.9°C). Sunshine hours are at their peak and daylight hours continue to increase, contributing to a consistent warming trend. Weather in May »Weather in June
June in Savannah, Georgia means the first month of meteorological summer. The month sees a sharp increase in humidity, reaching an average high of 88°F (31.1°C) and a low of 73.6°F (23.1°C). More noticeable changes from the previous month include an increase in rainfall days and relative humidity. Weather in June »Weather in July
July showcases the intensity of summer in Savannah, Georgia with increased heat. The average high temperature reaches its peak for the year at 90.5°F (32.5°C), making it the hottest month. Rainfall maintains a consistent level, adding to the overall humidity. Weather in July »Weather in August
August brings in the tail-end of summer to Savannah, Georgia. Despite a slight drop from July's peaks, the sea temperature hits its annual high at 83.7°F (28.7°C). Moreover, rainfall days reach their maximum for the year. However, diminishing daylight and lesser sunshine hours hints at the approaching fall season. Weather in August »Weather in September
September commences the fall season in grandeur for Savannah, Georgia. The most noticeable change from August is the decrease in temperature, with the average high cooling down to 85.5°F (29.7°C). A significant drop in rain days is observed, along with a decrease in Sea temperature. Weather in September »Weather in October
October in Savannah, Georgia showcases a further slide into the pleasant Fall season. A distinct and significant shift in climate includes a sharp decline in temperature that reaches a comfortable high of 77°F (25°C). A drop in cloud cover leads to clear skies and an increased number of sunshine days. Weather in October »Weather in November
As November creeps in, the city of Savannah, Georgia readies itself for the incoming winter season. Taking a cue from October, temperatures continue to drop reaching an average high of just 67.1°F (19.5°C). Drawing closer to winter, daylight hours decrease and humidity levels take a slight leap. Weather in November »Weather in December
December brings winter to Savannah, Georgia, and with it the chilliest weather of the year. The weather exhibits a clear dip with the lowest average temperatures dropping to 49.1°F (9.5°C). The start of winter does bring some novelty, in the form of traces of snowfall, with an average snowfall of 0.04" (1mm). Weather in December »Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Savannah experiences its average lowest temperatures in January, reaching a peak of 58.1°F (14.5°C) and a minimum of 43.7°F (6.5°C).
January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 1.38" (35mm) of precipitation.
In Savannah, during the entire year, the rain falls for 155.6 days and collects up to 29.41" (747mm) of precipitation.
Months with snowfall are January and December.
The months with the most snowfall are January and December, with an average 0.04" (1mm) of accumulated snow.
Throughout the year, there are 0.3 snowfall days, and 0.08" (2mm) of snow is accumulated.
The month with the lowest UV index is January, with an average maximum UV index of 3.
February through November are months without snowfall.
February is the month with the coldest seawater, with an average ocean temperature of 56.7°F (13.7°C).
March is the least humid month, with an average relative humidity of 71%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
May through August, with an average maximum UV index of 7, are months with the highest UV index in Savannah.
With an average of 14h and 12min of daylight, June has the longest days of the year in Savannah.
Temperature records mark July as the warmest month, with highs averaging 90.5°F (32.5°C) and lows at 75.7°F (24.3°C).
July has the most sunshine of the year, with an average of 11h of sunshine.
The month with the most rainfall is August, when the rain falls for 21.3 days and typically aggregates up to 4.33" (110mm) of precipitation.
August is the month with the warmest seawater, with an average ocean temperature of 83.7°F (28.7°C).
With an average relative humidity of 77%, December is the most humid month.
December has the shortest days of the year, with an average of 10h and 6min of daylight.
The month with the least sunshine in Savannah is December, with an average of 5.4h of sunshine.
Average temperature
Savannah, GA
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (58.1°F).
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).
Average pressure
Savannah, GA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed
Savannah, GA
- Average wind speed in January:
7.7mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.9mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.4mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Savannah, GA
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall
Savannah, GA
- Average rainfall in January:
1.38" - Average rainfall in February:
1.65" - Average rainfall in March:
1.93" - Average rainfall in April:
2.52" - Average rainfall in May:
1.97" - Average rainfall in June:
3.39"
- Average rainfall in July:
3.15" - Average rainfall in August:
4.33" - Average rainfall in September:
2.36" - Average rainfall in October:
2.36" - Average rainfall in November:
1.46" - Average rainfall in December:
2.91"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days
Savannah, GA
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
18.4 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is November (7.3 days).
Average snowfall
Savannah, GA
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Savannah, GA
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Savannah, GA
The best month for swimming (with the highest average sea temperature) is August (83.7°F).
The coldest month (with the lowest average sea temperature) is February (56.6°F).
Average daylight / Average sunshine
Savannah, GA
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
7h and 0min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days
Savannah, GA
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
8.5 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
20.4 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (8.5 days).
Average UV index
Savannah, GA
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Savannah, GA
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Savannah, GA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
