Climate and monthly weather forecastSeabrook Island, SC
Climate and monthly weather forecast
Weather in January
January, the same as December, in Seabrook Island, South Carolina, is a moderate winter month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 57.2°F (14°C). Seabrook Island's January weather, with an average high temperature of 57.2°F (14°C) and an average low temperature of 43.2°F (6.2°C), tends to be the coldest of the year. Weather in January »Weather in February
February, the last month of the winter in Seabrook Island, is a comfortable month, with an average temperature ranging between min 46°F (7.8°C) and max 61.2°F (16.2°C). February reports an average high-temperature of a comfortable 61.2°F (16.2°C), slightly varied from January's 57.2°F (14°C). Weather in February »Weather in March
The first month of the spring, March, is also an enjoyable month in Seabrook Island, South Carolina, with an average temperature fluctuating between 51.6°F (10.9°C) and 66.6°F (19.2°C). Seabrook Island's transition into March is noticed by a slight rise in the average high-temperature, advancing from 61.2°F (16.2°C) in February to a still comfortable 66.6°F (19.2°C). Weather in March »Weather in April
April is a warm spring month in Seabrook Island, South Carolina, with an average temperature ranging between min 59.4°F (15.2°C) and max 74.3°F (23.5°C). With the onset of April, Seabrook Island's average high-temperature experiences a slight rise, moving from March's refreshing 66.6°F (19.2°C) to a moderately hot 74.3°F (23.5°C). Weather in April »Weather in May
May, the last month of the spring in Seabrook Island, is another warm month, with an average temperature varying between 66.7°F (19.3°C) and 81.1°F (27.3°C). In May, the average high-temperature marginally rises from a moderately hot 74.3°F (23.5°C) in April to a still warm 81.1°F (27.3°C). Weather in May »Weather in June
June, the first month of the summer in Seabrook Island, is a tropical month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 73.4°F (23°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a warm 81.1°F (27.3°C) to a tropical 87.4°F (30.8°C). Weather in June »Weather in July
July, the same as June, in Seabrook Island, South Carolina, is a hot summer month, with an average temperature ranging between min 76.5°F (24.7°C) and max 89.8°F (32.1°C). In Seabrook Island, the average temperatures in July are the highest, with a peak at 89.8°F (32.1°C) and a low of 76.5°F (24.7°C). The average heat index in July is calculated to be an extremely hot 109.4°F (43°C). Weather in July »Weather in August
August, the last month of the summer in Seabrook Island, is another tropical month, with an average temperature ranging between min 76.1°F (24.5°C) and max 88.7°F (31.5°C). Transitioning from July to August, Seabrook Island observes an average high-temperature of a still hot 88.7°F (31.5°C), differing subtly from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Seabrook Island, is also a moderately hot month, with an average temperature fluctuating between 84.9°F (29.4°C) and 71.8°F (22.1°C). The beginning of September records an average high-temperature of a warm 84.9°F (29.4°C), marking a negligible difference from August's 88.7°F (31.5°C). Weather in September »Weather in October
October, like September, in Seabrook Island, South Carolina, is a moderately hot autumn month, with an average temperature fluctuating between 62.4°F (16.9°C) and 76.3°F (24.6°C). Seabrook Island in October undergoes a slight reduction in the average high-temperature, shifting from September's 84.9°F (29.4°C) to a still warm 76.3°F (24.6°C). Weather in October »Weather in November
November, the last month of the autumn in Seabrook Island, is another comfortable month, with an average temperature fluctuating between 66.2°F (19°C) and 51.8°F (11°C). The onset of November coincides with a reduction in the average high-temperature, falling from a moderately hot 76.3°F (24.6°C) in October to an enjoyable 66.2°F (19°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Seabrook Island, South Carolina, with an average temperature varying between 60.6°F (15.9°C) and 48°F (8.9°C). A subtle shift in Seabrook Island's weather is observed as November turns into December, with the average high temperature reducing from a comfortable 66.2°F (19°C) to a still refreshing 60.6°F (15.9°C). Weather in December »Updated: Jul 6, 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
In Seabrook Island, the average lowest temperatures are observed in January, with a high of 57.2°F (14°C) and a low of 43.2°F (6.2°C).
January and March, with an average relative humidity of 72%, are the least humid months in Seabrook Island.
January is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.31" (8mm) of precipitation.
In Seabrook Island, South Carolina, during the entire year, the rain falls for 118.7 days and collects up to 10.63" (270mm) of precipitation.
Months with snowfall are January and December.
The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.
Throughout the year, there are 0.2 snowfall days.
The month with the lowest UV index is January, with an average maximum UV index of 3.
February through November are months without snowfall.
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.
With an average of 14h and 18min of daylight, June has the longest days of the year.
July, on average, is the warmest month, registering a high temperature of 89.8°F (32.1°C) and a low of 76.5°F (24.7°C).
July has the most sunshine of the year, with an average of 11.1h of sunshine.
August is the month with the most rainfall in Seabrook Island. Rain falls for 16.9 days and accumulates 1.73" (44mm) of precipitation.
December is the most humid month, with an average relative humidity of 77%.
December has the shortest days of the year in Seabrook Island, with an average of 10h and 6min of daylight.
December has the least sunshine of the year, with an average of 5.7h of sunshine.
Average temperature
Seabrook Island, SC
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (57.2°F).
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure
Seabrook Island, SC
- 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:
30"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
Seabrook Island, SC
- Average wind speed in January:
7.7mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8mph - Average wind speed in April:
8.1mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Seabrook Island, SC
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall
Seabrook Island, SC
- Average rainfall in January:
0.31" - Average rainfall in February:
0.43" - Average rainfall in March:
0.51" - Average rainfall in April:
0.83" - Average rainfall in May:
0.83" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.73" - Average rainfall in September:
1.1" - Average rainfall in October:
0.83" - Average rainfall in November:
0.51" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days
Seabrook Island, SC
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
8 days - Average rainfall days in April:
8.9 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
6.1 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).
Average snowfall days
Seabrook Island, SC
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0 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 and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Seabrook Island, SC
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - 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 18min
- 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 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
6h and 54min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 48min - Average sunshine in May:
10h and 30min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Seabrook Island, SC
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
20.2 days - Average sunshine days in March:
21.6 days - Average sunshine days in April:
18.7 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
9.6 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
22.8 days - Average sunshine days in November:
23.1 days - Average sunshine days in December:
21.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).
Average UV index
Seabrook Island, SC
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
Seabrook Island, SC
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility
Seabrook Island, SC
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).
