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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, like December, in Dekalb, South Carolina, is a cool winter month, with an average temperature varying between 37.4°F (3°C) and 52.2°F (11.2°C). January, marked by an average high-temperature of 52.2°F (11.2°C) and a low-temperature of 37.4°F (3°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Dekalb, is a mild month, with an average temperature ranging between max 56.7°F (13.7°C) and min 40.1°F (4.5°C). February's presence records an average high-temperature of a refreshing 56.7°F (13.7°C), closely mirroring January's climate. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Dekalb, South Carolina, with an average temperature varying between 63.7°F (17.6°C) and 45.9°F (7.7°C). March brings a slight elevation in the average high-temperature, transitioning from February's moderate 56.7°F (13.7°C) to a still refreshing 63.7°F (17.6°C). Weather in March »
Weather in April
April is an agreeable spring month in Dekalb, South Carolina, with an average temperature fluctuating between 54.9°F (12.7°C) and 73°F (22.8°C). As Dekalb transitions into April, the average high-temperature shows a change, moving from an enjoyable 63.7°F (17.6°C) in March to a pleasant 73°F (22.8°C). Weather in April »
Weather in May
May, the last month of the spring in Dekalb, is a warm month, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 79.9°F (26.6°C). The start of May brings a subtle shift in the average high-temperature, edging up from April's agreeable 73°F (22.8°C) to a warm 79.9°F (26.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Dekalb, South Carolina, with an average temperature fluctuating between 69.8°F (21°C) and 87.4°F (30.8°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's moderately hot 79.9°F (26.6°C) to a tropical 87.4°F (30.8°C). Weather in June »
Weather in July
July, the same as June, in Dekalb, South Carolina, is a hot summer month, with temperature in the range of an average high of 90.5°F (32.5°C) and an average low of 72.7°F (22.6°C). Dekalb experiences its highest average temperatures in July, reaching a peak of 90.5°F (32.5°C) and a minimum of 72.7°F (22.6°C). The heat index in July is computed to be a blisteringly hot 109.4°F (43°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Dekalb, South Carolina, with an average temperature fluctuating between 88.5°F (31.4°C) and 71.1°F (21.7°C). The transition into August notes an average high-temperature of a still hot 88.5°F (31.4°C), revealing a mild distinction from the 90.5°F (32.5°C) in July. Weather in August »
Weather in September
September, the first month of the autumn in Dekalb, is still a warm month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 66.2°F (19°C). September brings an average high-temperature of a warm 83.3°F (28.5°C), showing a slight difference from August's 88.5°F (31.4°C). Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Dekalb, South Carolina, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 55.6°F (13.1°C). The shift from September to October corresponds with a decrease in the average high-temperature, down to an agreeable 73.2°F (22.9°C) from a moderately hot 83.3°F (28.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Dekalb, South Carolina, with an average temperature ranging between max 61.7°F (16.5°C) and min 45.5°F (7.5°C). November brings a drop in Dekalb's average high-temperature, falling from a pleasant 73.2°F (22.9°C) in October to an enjoyable 61.7°F (16.5°C). Weather in November »
Weather in December
December, the first month of the winter in Dekalb, is still a mild month, with an average temperature ranging between min 41.7°F (5.4°C) and max 55.6°F (13.1°C). The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a refreshing 61.7°F (16.5°C) in November to a mild 55.6°F (13.1°C). Weather in December »
Updated: Feb 13, 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
What time of the year is the coldest in Dekalb?
January is the coldest month of the year in Dekalb, South Carolina, registering average temperatures as high as 52.2°F (11.2°C) and as low as 37.4°F (3°C).
What are the least humid months in Dekalb?
The months with the lowest humidity are January, March and November, with an average relative humidity of 70%.
How many days does it rain in Dekalb?
Throughout the year, in Dekalb, there are 116.1 rainfall days, and 11.42" (290mm) of precipitation is accumulated.
When does it snow in Dekalb?
January and February are months with snowfall in Dekalb.
How much does it snow in Dekalb?
In Dekalb, South Carolina, during the entire year, snow falls for 0.9 days and aggregates up to 0.12" (3mm) of snow.
What is the month with the least sunshine in Dekalb?
January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Dekalb, South Carolina.
When is the lowest UV index in Dekalb?
January is the month with the lowest UV index in Dekalb, South Carolina, with an average maximum UV index of 2.
When does it snow the most in Dekalb?
February is the month with the most snowfall in Dekalb, South Carolina. Snow falls for 0.5 days and accumulates 0.08" (2mm) of snow.
When it does not snow in Dekalb?
March through December are months without snowfall.
When is Daylight Saving Time (DST) in Dekalb?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dekalb, South Carolina, 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.
What is the most humid month in Dekalb?
The most humid month is May, with an average relative humidity of 75%.
When are the longest days in Dekalb?
June has the longest days of the year in Dekalb, with an average of 14h and 24min of daylight.
What is the month with the highest UV index in Dekalb?
The months with the highest UV index in Dekalb are June and July, with an average maximum UV index of 7.
What time of the year is the hottest in Dekalb?
July is the month when Dekalb sees the average highest temperatures, with a high of 90.5°F (32.5°C) and a low of 72.7°F (22.6°C).
What month has the most sunshine in Dekalb?
With an average of 10.9h of sunshine, July has the most sunshine of the year.
What is the wettest month in Dekalb?
The month with the most rainfall is August, when the rain falls for 12.7 days and typically aggregates up to 1.42" (36mm) of precipitation.
What is the driest month in Dekalb?
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.59" (15mm) of precipitation.
What is the month with the shortest days in Dekalb?
With an average of 9h and 54min of daylight, December has the shortest days of the year.
Average temperature
Dekalb, SC
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (52.2°F).
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure
Dekalb, 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:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Dekalb, SC
- Average wind speed in January:
7.8mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6mph - Average wind speed in October:
6.8mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.2mph
The windiest months (with the highest average wind speed) are February and April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Dekalb, SC
The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January, March and November (70%).
Average rainfall
Dekalb, SC
- Average rainfall in January:
0.71" - Average rainfall in February:
0.75" - Average rainfall in March:
0.83" - Average rainfall in April:
1.06" - Average rainfall in May:
1.02" - Average rainfall in June:
1.14"
The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days
Dekalb, SC
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
11.6 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
6 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is November (5.8 days).
Average snowfall
Dekalb, SC
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Dekalb, SC
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.5 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:
0.1 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight / Average sunshine
Dekalb, 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:
14h and 0min - 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 3min - Average sunshine in March:
7h and 3min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days
Dekalb, SC
- Average sunshine days in January:
20.9 days - Average sunshine days in February:
18.1 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
15.6 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
23.9 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
21.2 days
The month with the most sunshine days is October (23.9 days).
The month with the least sunshine days is July (13.3 days).
Average UV index
Dekalb, 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
Dekalb, SC
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility
Dekalb, 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).
Dekalb, South Carolina, USA
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