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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another fresh winter month in Effingham, South Carolina, with an average temperature varying between 37°F (2.8°C) and 52.3°F (11.3°C). January brings the lowest temperatures, with an average high of 52.3°F (11.3°C) and an average low of 37°F (2.8°C). Weather in January »
Weather in February
February, the last month of the winter in Effingham, is a moderate month, with an average temperature ranging between min 39.9°F (4.4°C) and max 56.8°F (13.8°C). With the onset of February, the average high-temperature stands at a refreshing 56.8°F (13.8°C), closely aligned with January's 52.3°F (11.3°C). Weather in February »
Weather in March
March, the first month of the spring in Effingham, is a refreshing month, with an average temperature fluctuating between 63.3°F (17.4°C) and 46°F (7.8°C). A soft shift in the average high-temperature is noticeable in March, transitioning from a mild 56.8°F (13.8°C) in February to an enjoyable 63.3°F (17.4°C). Weather in March »
Weather in April
April in Effingham, South Carolina, is a pleasant spring month, with an average temperature varying between 72.5°F (22.5°C) and 54.5°F (12.5°C). Effingham's transition into April sees a rise in the average high-temperature, advancing from a comfortable 63.3°F (17.4°C) in March to an agreeable 72.5°F (22.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Effingham, South Carolina, with an average temperature varying between 62.6°F (17°C) and 79.7°F (26.5°C). As Effingham transitions into May, a marginal rise in the average high-temperature is observed, moving from an agreeable 72.5°F (22.5°C) in April to a warm 79.7°F (26.5°C). Weather in May »
Weather in June
June, the first month of the summer in Effingham, is a hot month, with an average temperature ranging between min 69.4°F (20.8°C) and max 86.7°F (30.4°C). Effingham's weather in June presents a minor rise in the average high-temperature, moving from a moderately hot 79.7°F (26.5°C) in May to a hot 86.7°F (30.4°C). Weather in June »
Weather in July
July, like June, is another tropical summer month in Effingham, South Carolina, with an average temperature fluctuating between 72.3°F (22.4°C) and 89.6°F (32°C). Effingham records the warmest temperatures in July, averaging a high of 89.6°F (32°C) and a low of 72.3°F (22.4°C). July's mean heat index is evaluated at a scorching 107.6°F (42°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Effingham, South Carolina, with an average temperature fluctuating between 71.2°F (21.8°C) and 88.3°F (31.3°C). The shift from July to August is characterized by an average high-temperature of a still hot 88.3°F (31.3°C), not significantly different from the 89.6°F (32°C) of July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Effingham, South Carolina, with an average temperature ranging between max 83.7°F (28.7°C) and min 66.2°F (19°C). Effingham experiences an average high-temperature of a warm 83.7°F (28.7°C) with the onset of September, subtly varied from August's 88.3°F (31.3°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Effingham, South Carolina, with an average temperature varying between 55.8°F (13.2°C) and 73.6°F (23.1°C). October's arrival correlates with a reduction in the average high-temperature, down from 83.7°F (28.7°C) in September to a still moderately hot 73.6°F (23.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Effingham, is also an enjoyable month, with an average temperature fluctuating between 45.3°F (7.4°C) and 62.1°F (16.7°C). Stepping into November, Effingham observes a temperature decline, with the average high falling from October's warm 73.6°F (23.1°C) to a refreshing 62.1°F (16.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a moderate month in Effingham, South Carolina, with an average temperature varying between 41.2°F (5.1°C) and 56.1°F (13.4°C). The advent of December brings a slight shift in average high-temperature, moving from an enjoyable 62.1°F (16.7°C) in November to a moderate 56.1°F (13.4°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Effingham?
Effingham's coldest month, January, registers temperatures that range from a high of 52.3°F (11.3°C) to a low of 37°F (2.8°C).
What is the least humid month in Effingham?
The months with the lowest humidity are January and November, with an average relative humidity of 72%.
What is the driest month in Effingham?
The month with the least rainfall is January, when the rain falls for 10.8 days and typically collects 1.65" (42mm) of precipitation.
How much does it rain in Effingham?
Throughout the year, there are 168.6 rainfall days, and 33.82" (859mm) of precipitation is accumulated.
When does it snow in Effingham?
Months with snowfall in Effingham are January through March, November and December.
How much does it snow in Effingham?
Throughout the year, in Effingham, South Carolina, there are 1.9 snowfall days, and 1.81" (46mm) of snow is accumulated.
When is the lowest UV index in Effingham?
With an average maximum UV index of 2, January is the month with the lowest UV index.
What is the snowiest month in Effingham?
The month with the most snowfall in Effingham, South Carolina, is February, when snow falls for 0.8 days and typically aggregates up to 1.06" (27mm) of snow.
When is Daylight Saving Time (DST) in Effingham?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Effingham, 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.
When it does not snow in Effingham?
In Effingham, snow does not fall in April through October.
What is the most humid month in Effingham?
The most humid month in Effingham, South Carolina, is May, with an average relative humidity of 78%.
When are the longest days in Effingham?
June has the longest days of the year in Effingham, with an average of 14h and 24min of daylight.
What is the month with the highest UV index in Effingham?
The months with the highest UV index are June and July, with an average maximum UV index of 7.
What time of the year is the hottest in Effingham?
July is the month when Effingham sees the average highest temperatures, with a high of 89.6°F (32°C) and a low of 72.3°F (22.4°C).
What month has the most sunshine in Effingham?
July has the most sunshine of the year in Effingham, South Carolina, with an average of 10.9h of sunshine.
What is the rainiest month in Effingham?
The month with the most rainfall in Effingham is August, when the rain falls for 19.3 days and typically aggregates up to 3.82" (97mm) of precipitation.
What is the month with the shortest days in Effingham?
December has the shortest days of the year in Effingham, South Carolina, with an average of 9h and 54min of daylight.
What is the month with the least sunshine in Effingham?
The month with the least sunshine is December, with an average of 5.5h of sunshine.
Average temperature
Effingham, SC
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (52.3°F).
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure
Effingham, 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:
30.02"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Effingham, SC
- Average wind speed in January:
7.3mph - Average wind speed in February:
8mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8.1mph - Average wind speed in May:
7mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6.2mph - Average wind speed in October:
6.8mph - Average wind speed in November:
6.7mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Effingham, SC
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall
Effingham, SC
- Average rainfall in January:
1.65" - Average rainfall in February:
2.28" - Average rainfall in March:
2.28" - Average rainfall in April:
2.95" - Average rainfall in May:
3.7" - Average rainfall in June:
3.07"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.82" - Average rainfall in September:
2.95" - Average rainfall in October:
2.24" - Average rainfall in November:
2.2" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days
Effingham, SC
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
17 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
20.5 days - Average rainfall days in August:
19.3 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).
Average snowfall
Effingham, SC
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Effingham, SC
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.1 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:
0.1 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Effingham, SC
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 3min
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
Effingham, SC
- Average sunshine days in January:
18 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
8.1 days - Average sunshine days in August:
9.6 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.1 days).
Average UV index
Effingham, SC
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Effingham, SC
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility
Effingham, 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).
Effingham, South Carolina, USA
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