Climate and monthly weather forecastTybee Island, GA
Climate and monthly weather forecast
The climate of Tybee Island
Tybee Island, a city located in southeastern Georgia, USA, enjoys a humid subtropical climate, classified as Cfa under the Köppen climate classification. Being a coastal city on the Atlantic Ocean, it experiences no dry season. The city's climatic conditions remain reasonably moderated throughout the year, presenting a blend of heat, humidity, and rain.The average high temperature fluctuates considerably during the year, starting from 57.7°F (14.3°C) in January to a peak of 87.4°F (30.8°C) in July and August. The low temperatures, on the other hand, range from 47.1°F (8.4°C) in January to about 78.4°F (25.8°C) in August. Thus, one can expect warm to hot summers and mild winters. The temperature of the sea also varies, typically between a minimum of 57.5°F (14.2°C) in February and a maximum of 83.5°F (28.6°C) in August.
Rainfall in Tybee Island clocks an average of 2.95" (75mm) in April, eventually reaching the highest point of 6.02" (153mm) in August. Overall, the city experiences a range in rainfall from 1.5" (38mm) to 6.02" (153mm) through the year. Cloud cover percentage remains relatively stable throughout the year, typically varying within 35% to 40%. This often leads to moderate to good visibility of about 6 miles on most days.
The city’s unique combination of temperature, rainfall, and humidity values often contributes to a wind speed that varies from 8.2mph (13.2km/h) to 10.3mph (16.6km/h). Wind gusts can reach as high as 15.7mph (25.3km/h), with the highest values typically occurring in January and March.
The best time to visit Tybee Island
The ideal time to visit Tybee Island would be from April to June. During these months, the weather is pleasant, with average high temperatures ranging between 72.5°F (22.5°C) to 85.3°F (29.6°C), and low temperatures varying from 62.2°F (16.8°C) to 75.7°F (24.3°C). These months also present a cordial blend of daylight and sunshine, with the average daylight hours fluctuating from 13 to 14.2 hours, and sunshine durations varying between 9.6 to 10.8 hours. Simultaneously, the UV index remains moderate to high, making it a perfect time for beach strolls, watersports, and other outdoor activities.The worst time to visit Tybee Island
The months of July to August are considered less favorable for a visit to Tybee Island. These months witness peak high temperatures, reaching up to 87.4°F (30.8°C) on average, rendering the climate relatively uncomfortable. Additionally, the rainfall is considerably higher, with an average of around 4.25" (108mm) in July to 6.02" (153mm) in August. The increased rain combined with high humidity levels of 77% can lead to a sultry weather condition.Spring weather in Tybee Island
Spring in Tybee Island spans from March through May. During this period, the city experiences relatively moderate temperatures, with highs between 65.8°F (18.8°C) to 79.2°F (26.2°C) and lows from 54.7°F (12.6°C) to 69.4°F (20.8°C). Rainfall volumes average between 2.2" (56mm) to 2.44" (62mm), and the number of sunshine hours per day range from 7.7 to 10.4. The UV index in spring transitions from moderate to high.Summer weather in Tybee Island
Summer in Tybee Island extends from June to August with high temperatures peaking around 87.4°F (30.8°C) in July and August. The lows during these months span from 75.7°F (24.3°C) to 78.4°F (25.8°C). The city undergoes significant rainfall, particularly in August, with average rainfall reaching approximately 6.02" (153mm). Despite this, the city experiences long durations of daylight, reaching a peak of 14.2 hours in June.Autumn weather in Tybee Island
The Autumn period in Tybee Island, lasting from September to November, experiences a gradual decrease in temperature. Highs hover between 75.9°F (24.4°C) to 83.3°F (28.5°C) and lows vary from 56.3°F (13.5°C) to 74.5°F (23.6°C). The city experiences average rainfall volumes between 1.89" (48mm) to 3.31" (84mm). Sunshine hours during this period start to decrease, remaining between 6 to 8.6 hours per day.Winter weather in Tybee Island
Winter sets in Tybee Island from December to February, with high temperatures dropping to between 57.7°F (14.3°C) to 60.8°F (16°C), and lows ranging from 47.1°F (8.4°C) to 50.2°F (10.1°C). December shows a slightly increased rainfall volume of 3.58" (91mm). Despite this, ample sunshine prevails through the winter, with about 5.4 to 5.7 hours of sunshine per day, and daylight hours ranging from 10.1 to 11.1 hours.Weather in January
As a new year dawn in Tybee Island, Georgia, the weather remains relatively mild. The beginning of the year offers excellent weather conditions for outdoor activities with less rainfall and cooler temperatures than in the following months. Weather in January »Weather in February
Moving into the second month of the year in Tybee Island, February presents slightly warmer conditions than January. Gentle winds provide relief from the steadily escalating temperatures. The weather takes another shift as temperature low changes from 47.1°F (8.4°C) to 50.2°F (10.1°C), rainfall from 1.5in to 1.81in, and relieves with highest sunshine days at 15.8 days. Weather in February »Weather in March
With the onset of spring, March in Tybee Island, Georgia brings about a vibrant change in weather. The month is characterized by its gradually increasing day length and higher UV index relative to the preceding months. A further rise in temperature low to 54.7°F (12.6°C) and rainfall to 2.2in indicate a transition. Weather in March »Weather in April
April witnesses a significant shift in weather in Tybee Island. This month ushers in warmer days and increased daylight as the region prepares for summer. When comparing adjacent months, April highlights the highest jump in both average high temperature to 72.5°F (22.5°C) and sea temperature to 65.4°F (18.6°C). Weather in April »Weather in May
As summer approaches, May on Tybee Island, Georgia presents a substantial rise in humidity and temperature. This month marks the transition from spring to summer, ensuring slightly warmer nights. Sea temperature reaches its prominent increment to 72.4°F (22.4°C), providing ideal conditions for water-related activities. Weather in May »Weather in June
As Tybee Island moves into the peak summer months, June delivers the first taste of the warmest weather. This period is typified by longer daylight hours and high sea temperatures. Unique to June, the highest rainfall so far in the year reaches 4.09in, leading to the greater number of rainfall days. Weather in June »Weather in July
July in Tybee Island, Georgia, experiences the fullness of summer with high temperature, intense sunshine, and high humidity. The summer vibes are in full swing throughout the region. A marked increase in rainfall to 4.25in alongside sea temperatures reaching its highest at 83°F (28.3°C) distinguishes its climate. Weather in July »Weather in August
August sees the continuation of summer at its peak in Tybee Island. It generally presents the same conditions as July, with high temperature, robust sunshine, and a high quantity of rainfall. August stands out with the highest rainfall of the year at 6.02in, attributing to the most significant number of rainfall days. Weather in August »Weather in September
September signals the start of autumn in Tybee Island, Georgia. With the arrival of fall, the area starts experiencing a decrease in daylight hours and a slight drop in temperatures. As September progresses, with rainfall lowering to 3.31in, the temperature cool down is discernible. Weather in September »Weather in October
October in Tybee Island signifies the middle of the autumn season. This month brings about cooler weather, shorter days, and the autumn foliage begins to appear. Standout characteristic pertains to a significant plunge in rainfall to 2.83in and sea temperature to 77°F (25°C). Weather in October »Weather in November
November, the last month of the autumn in Tybee Island, is also an enjoyable month, with an average temperature varying between 66.7°F (19.3°C) and 56.3°F (13.5°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a comfortable 66.7°F (19.3°C) from a moderately hot 75.9°F (24.4°C). Weather in November »Weather in December
December usually brings about the chill in Tybee Island, Georgia. It marks the beginning of winter with shorter daylight hours and an overall drop in temperatures. In comparison to the preceding and following months, December showcases the highest humidity at 78% and a material increase in rainfall to 3.58in. Weather in December »Updated: Jul 28, 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
The month of January sees the average lowest temperatures, reaching 57.7°F (14.3°C) at the peak and 47.1°F (8.4°C) at the low.
January, March and October, with an average relative humidity of 73%, are the least humid months.
January is the month with the least rainfall. Rain falls for 10.2 days and accumulates 1.5" (38mm) of precipitation.
Throughout the year, there are 166.3 rainfall days, and 36.89" (937mm) of precipitation is accumulated.
Months with snowfall are January and February.
The months with the most snowfall days are January and February, with an average of 0.1 snowfall days.
In Tybee Island, during the entire year, snow falls for 0.2 days.
The month with the lowest UV index is January, with an average maximum UV index of 3.
With an average ocean temperature of 57.6°F (14.2°C), February is the month with the coldest seawater.
In Tybee Island, Georgia, snow does not fall in March through December.
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.
The month with the longest days is June, with an average of 14h and 12min of daylight.
The warmest period is July, when temperatures fluctuate between an average high of 87.4°F (30.8°C) and a low of 78.3°F (25.7°C).
The month with the most sunshine is July, with an average of 11h of sunshine.
August is the month with the most rainfall. Rain falls for 22.5 days and accumulates 6.02" (153mm) of precipitation.
The month with the warmest seawater is August, with an average ocean temperature of 83.5°F (28.6°C).
The most humid month is December, with an average relative humidity of 78%.
With an average of 10h and 6min of daylight, December has the shortest days of the year.
With an average of 5.4h of sunshine, December has the least sunshine of the year.
Average temperature
Tybee Island, GA
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (57.7°F).
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure
Tybee Island, 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:
30.03"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
Tybee Island, GA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.1mph - Average wind speed in May:
9.5mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.2mph - Average wind speed in September:
8.9mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January and November (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity
Tybee Island, GA
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall
Tybee Island, GA
- Average rainfall in January:
1.5" - Average rainfall in February:
1.81" - Average rainfall in March:
2.2" - Average rainfall in April:
2.95" - Average rainfall in May:
2.44" - Average rainfall in June:
4.09"
- Average rainfall in July:
4.25" - Average rainfall in August:
6.02" - Average rainfall in September:
3.31" - Average rainfall in October:
2.83" - Average rainfall in November:
1.89" - Average rainfall in December:
3.58"
The wettest month (with the highest rainfall) is August (6.02").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days
Tybee Island, GA
- Average rainfall days in January:
10.2 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
11 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
19.5 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
22.5 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
10 days - Average rainfall days in November:
8 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is August (22.5 days).
The month with the least rainy days is November (8 days).
Average snowfall days
Tybee Island, 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 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature
Tybee Island, GA
The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (57.5°F).
Average daylight / Average sunshine
Tybee Island, 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 42min - Average sunshine in February:
7h and 6min - 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 48min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 36min - 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
Tybee Island, GA
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
16.5 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
8.1 days - Average sunshine days in August:
6 days - Average sunshine days in September:
12.2 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is August (6 days).
Average UV index
Tybee Island, 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
Tybee Island, GA
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Tybee Island, 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).
