Climate and monthly weather forecastSeabrook, SC
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Seabrook, South Carolina, with an average temperature varying between 57.7°F (14.3°C) and 42.6°F (5.9°C). In Seabrook, the lowest average temperatures are observed in January, with a high of 57.7°F (14.3°C) and a low of 42.6°F (5.9°C). Weather in January »Weather in February
February, the last month of the winter in Seabrook, is an enjoyable month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 46°F (7.8°C). Seabrook experiences a transition to a comfortable 61.9°F (16.6°C) in average high-temperatures with the arrival of February, not greatly differing from January's 57.7°F (14.3°C). Weather in February »Weather in March
The first month of the spring, March, is still a comfortable month in Seabrook, South Carolina, with an average temperature fluctuating between 51.3°F (10.7°C) and 67.6°F (19.8°C). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's enjoyable 61.9°F (16.6°C) to a still refreshing 67.6°F (19.8°C). Weather in March »Weather in April
April in Seabrook, South Carolina, is a warm spring month, with an average temperature ranging between max 75.7°F (24.3°C) and min 58.6°F (14.8°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from a refreshing 67.6°F (19.8°C) in March to a warm 75.7°F (24.3°C). Weather in April »Weather in May
May, the last month of the spring in Seabrook, is also a moderately hot month, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 82.2°F (27.9°C). The shift from April to May is marked by a slight increase in the average high-temperature, moving from a warm 75.7°F (24.3°C) to a still moderately hot 82.2°F (27.9°C). Weather in May »Weather in June
June, the first month of the summer in Seabrook, is a hot month, with temperature in the range of an average high of 88.7°F (31.5°C) and an average low of 72.7°F (22.6°C). As Seabrook welcomes June, the average high-temperature sees a modest rise, transitioning from a warm 82.2°F (27.9°C) in May to a tropical 88.7°F (31.5°C). Weather in June »Weather in July
July, like June, is another hot summer month in Seabrook, South Carolina, with an average temperature ranging between min 75.6°F (24.2°C) and max 90.9°F (32.7°C). The warmest temperatures occur during July, when averages reach a peak of 90.9°F (32.7°C) and a low of 75.6°F (24.2°C). The heat index in July is appraised at a blisteringly hot 111.2°F (44°C). Weather in July »Weather in August
August, the last month of the summer in Seabrook, is also a hot month, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 75.6°F (24.2°C). August's weather records an average high-temperature of a still hot 90.1°F (32.3°C), showing little deviation from July. Weather in August »Weather in September
September, the first month of the autumn in Seabrook, is also a moderately hot month, with an average temperature ranging between max 85.8°F (29.9°C) and min 70.9°F (21.6°C). With the onset of September, Seabrook's average high-temperature clocks in at a moderately hot 85.8°F (29.9°C), showing a minor fluctuation from the previous month. Weather in September »Weather in October
October, like September, in Seabrook, South Carolina, is another warm autumn month, with an average temperature ranging between max 77.2°F (25.1°C) and min 61.7°F (16.5°C). The shift from September to October coincides with a small decrease in the average high-temperature, down to a still moderately hot 77.2°F (25.1°C) from 85.8°F (29.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Seabrook, South Carolina, with an average temperature varying between 51.3°F (10.7°C) and 66.9°F (19.4°C). Seabrook's weather changes with the onset of November, slightly falling from a moderately hot 77.2°F (25.1°C) in October to a refreshing 66.9°F (19.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Seabrook, South Carolina, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 61.5°F (16.4°C). December's onset introduces a mild reduction in the average high-temperature, from 66.9°F (19.4°C) in November to a still refreshing 61.5°F (16.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Seabrook, SC
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (57.7°F).
The months with the highest average low temperature are July and August (75.6°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure
Seabrook, 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:
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
Seabrook, SC
- Average wind speed in January:
6.8mph - Average wind speed in February:
7mph - Average wind speed in March:
7mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.7mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Seabrook, SC
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (71%).
Average rainfall
Seabrook, SC
- Average rainfall in January:
1.54" - Average rainfall in February:
1.89" - Average rainfall in March:
2.09" - Average rainfall in April:
2.72" - Average rainfall in May:
2.8" - Average rainfall in June:
3.54"
- Average rainfall in July:
3.43" - Average rainfall in August:
4.76" - Average rainfall in September:
3.07" - Average rainfall in October:
3.19" - Average rainfall in November:
1.61" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days
Seabrook, SC
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
10 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
19.2 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
23.3 days - Average rainfall days in September:
15.9 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall
Seabrook, SC
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Seabrook, SC
- Average snowfall days in January:
0.2 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 month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Seabrook, 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 42min - Average sunshine in February:
6h and 54min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 18min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Seabrook, SC
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
8.6 days
- Average sunshine days in July:
6.7 days - Average sunshine days in August:
5.2 days - Average sunshine days in September:
11.2 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
18.3 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (5.2 days).
Average UV index
Seabrook, 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, SC
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Seabrook, 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).





