Climate and monthly weather forecastSea Island, GA
Climate and monthly weather forecast
Weather in January
January, like December, is a moderate winter month in Sea Island, Georgia, with an average temperature varying between 47.7°F (8.7°C) and 60.4°F (15.8°C). January is the coldest month of the year, registering average temperatures as high as 60.4°F (15.8°C) and as low as 47.7°F (8.7°C). Weather in January »Weather in February
February, the last month of the winter in Sea Island, is a refreshing month, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 51.1°F (10.6°C). Sea Island marks the onset of February with an average high-temperature of a comfortable 63.3°F (17.4°C), a subtle shift from January's 60.4°F (15.8°C). Weather in February »Weather in March
The first month of the spring, March, is an agreeable month in Sea Island, Georgia, with an average temperature varying between 55.8°F (13.2°C) and 68.5°F (20.3°C). March's average high-temperature is an agreeable 68.5°F (20.3°C), maintaining a close comparison with February's 63.3°F (17.4°C). Weather in March »Weather in April
April is a warm spring month in Sea Island, Georgia, with an average temperature fluctuating between 62.4°F (16.9°C) and 75°F (23.9°C). April's arrival sees a mild rise in the average high-temperature, transitioning from March's pleasant 68.5°F (20.3°C) to a moderately hot 75°F (23.9°C). Weather in April »Weather in May
May, the last month of the spring in Sea Island, is another warm month, with an average temperature ranging between max 81.1°F (27.3°C) and min 69.1°F (20.6°C). A subtle rise in the average high-temperature is observed during May, adjusting from a moderately hot 75°F (23.9°C) in April to a still warm 81.1°F (27.3°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Sea Island, Georgia, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 74.8°F (23.8°C). As June arrives, a slight rise in the average high-temperature is observed, moving from a moderately hot 81.1°F (27.3°C) in May to a tropical 86.5°F (30.3°C). Weather in June »Weather in July
July, like June, is another tropical summer month in Sea Island, Georgia, with an average temperature ranging between max 88.7°F (31.5°C) and min 77°F (25°C). July registers as the month with the highest average temperatures, reaching 88.7°F (31.5°C) at its peak and 77°F (25°C) at the lowest. The heat index value during July is appraised at an extremely hot 105.8°F (41°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Sea Island, Georgia, with temperature in the range of an average low of 77.4°F (25.2°C) and an average high of 88.3°F (31.3°C). The average high-temperature in August, at a still hot 88.3°F (31.3°C), reveals a modest deviation from July's 88.7°F (31.5°C). Weather in August »Weather in September
September, the first month of the autumn in Sea Island, is still a warm month, with an average temperature fluctuating between 84.9°F (29.4°C) and 74.3°F (23.5°C). The advent of September observes an average high-temperature of a moderately hot 84.9°F (29.4°C), nearly identical to August's 88.3°F (31.3°C). Weather in September »Weather in October
October, like September, in Sea Island, Georgia, is another warm autumn month, with an average temperature ranging between max 77.9°F (25.5°C) and min 66.6°F (19.2°C). A moderate decline in average high-temperatures is noted in October, moving from 84.9°F (29.4°C) in September to a still moderately hot 77.9°F (25.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also an agreeable month in Sea Island, Georgia, with an average temperature fluctuating between 68.9°F (20.5°C) and 57.6°F (14.2°C). Sea Island observes a minor decrease in the average high-temperature with the arrival of November, falling from October's moderately hot 77.9°F (25.5°C) to a pleasant 68.9°F (20.5°C). Weather in November »Weather in December
December, the first month of the winter in Sea Island, is also an enjoyable month, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 64.4°F (18°C). The onset of December brings with it an average high-temperature of a refreshing 64.4°F (18°C), showing a negligible variation from the month before. Weather in December »Updated: Aug 16, 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 coldest period tends to be January, when average temperatures fluctuate between a high of 60.4°F (15.8°C) and a low of 47.7°F (8.7°C).
The month with the least rainfall is January, when the rain falls for 8.2 days and typically collects 0.59" (15mm) of precipitation.
Throughout the year, there are 163.3 rainfall days, and 20.43" (519mm) of precipitation is accumulated.
In Sea Island, snow does not fall in January, March through November.
In Sea 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.
Months with snowfall are February and December.
The months with the most snowfall days are February and December, with an average of 0.1 snowfall days.
The least humid month is March, with an average relative humidity of 72%.
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.
The months with the highest UV index are May through September, with an average maximum UV index of 7.
The month with the longest days is June, with an average of 14h and 6min of daylight.
Temperature records mark July as the warmest month, with highs averaging 88.7°F (31.5°C) and lows at 77°F (25°C).
July has the most sunshine of the year, with an average of 11h of sunshine.
August and December, with an average relative humidity of 78%, are most humid months.
The month with the most rainfall is August, when the rain falls for 23.3 days and typically aggregates up to 3.43" (87mm) of precipitation.
The month with the shortest days is December, with an average of 10h and 12min of daylight.
With an average of 5.8h of sunshine, December has the least sunshine of the year in Sea Island.
Average temperature
Sea Island, GA
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (60.4°F).
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure
Sea 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:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed
Sea Island, GA
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.8mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.6mph - Average wind speed in October:
8.6mph - Average wind speed in November:
8.7mph - Average wind speed in December:
8.6mph
The windiest months (with the highest average wind speed) are January and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Sea Island, GA
The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is March (72%).
Average rainfall
Sea Island, GA
- Average rainfall in January:
0.59" - Average rainfall in February:
0.75" - Average rainfall in March:
0.75" - Average rainfall in April:
1.18" - Average rainfall in May:
1.42" - Average rainfall in June:
2.99"
- Average rainfall in July:
2.87" - Average rainfall in August:
3.43" - Average rainfall in September:
2.8" - Average rainfall in October:
1.61" - Average rainfall in November:
1.02" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days
Sea Island, GA
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
20 days
- Average rainfall days in July:
21.6 days - Average rainfall days in August:
23.3 days - Average rainfall days in September:
19.2 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is January (8.2 days).
Average snowfall days
Sea Island, GA
- Average snowfall days in January:
0 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 February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Sea Island, GA
- Average daylight in January:
10h and 24min - 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 6min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
7h and 24min - Average sunshine in March:
8h and 0min - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 48min
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 48min).
Average sunshine days
Sea Island, GA
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
20.1 days - Average sunshine days in April:
18.1 days - Average sunshine days in May:
16 days - Average sunshine days in June:
7.8 days
- Average sunshine days in July:
6.3 days - Average sunshine days in August:
4.2 days - Average sunshine days in September:
7.4 days - Average sunshine days in October:
17 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is March (20.1 days).
The month with the least sunshine days is August (4.2 days).
Average UV index
Sea Island, GA
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Sea Island, GA
The months with the most cloud cover are February and December (Cloud cover 38).
The months with the least cloud cover are April, May, June and July (Cloud cover 27).
Average visibility
Sea 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).
