Climate and monthly weather forecastCharleston, AR
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Charleston, Arkansas, with temperature in the range of an average high of 48°F (8.9°C) and an average low of 31.5°F (-0.3°C). The month of January, characterized by an average high of 48°F (8.9°C) and a low of 31.5°F (-0.3°C), is recognized as the coldest. Weather in January »Weather in February
February, the last month of the winter in Charleston, is a cool month, with an average temperature ranging between min 34.9°F (1.6°C) and max 51.4°F (10.8°C). With the advent of February, Charleston's high-temperatures adjust to a cool 51.4°F (10.8°C), closely aligning with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Charleston, is a refreshing month, with an average temperature fluctuating between 42.4°F (5.8°C) and 61.3°F (16.3°C). An increase in the average high-temperature marks March, moving from February's fresh 51.4°F (10.8°C) to a refreshing 61.3°F (16.3°C). Weather in March »Weather in April
April is a pleasant spring month in Charleston, Arkansas, with an average temperature ranging between max 70.5°F (21.4°C) and min 50°F (10°C). The start of April is characterized by an increase in the average high-temperature, transitioning from a comfortable 61.3°F (16.3°C) in March to an agreeable 70.5°F (21.4°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Charleston, Arkansas, with an average temperature ranging between min 58.3°F (14.6°C) and max 78.8°F (26°C). May's arrival is noted with a slight increase in the average high-temperature, moving from an agreeable 70.5°F (21.4°C) in April to a moderately hot 78.8°F (26°C). Weather in May »Weather in June
June, the first month of the summer in Charleston, is a hot month, with an average temperature varying between 66.9°F (19.4°C) and 89.1°F (31.7°C). Charleston's transition into June is marked by a temperature shift, moving from a moderately hot 78.8°F (26°C) in May to a tropical 89.1°F (31.7°C). Weather in June »Weather in July
July, like June, is a hot summer month in Charleston, Arkansas, with an average temperature varying between 92.8°F (33.8°C) and 70.3°F (21.3°C). The warmest period is July, when temperatures fluctuate between an average high of 92.8°F (33.8°C) and a low of 70.3°F (21.3°C). July's heat index is calculated to be a burning hot 114.8°F (46°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Charleston, Arkansas, with an average temperature fluctuating between 91.4°F (33°C) and 68.7°F (20.4°C). With August's arrival, Charleston notes an average high-temperature of a still tropical 91.4°F (33°C), closely following the trend of the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Charleston, is also a moderately hot month, with an average temperature ranging between min 62.4°F (16.9°C) and max 84.4°F (29.1°C). September indicates a minor shift in the average high-temperature, from August's tropical 91.4°F (33°C) to a warm 84.4°F (29.1°C). Weather in September »Weather in October
October, the same as September, in Charleston, Arkansas, is an agreeable autumn month, with an average temperature fluctuating between 72°F (22.2°C) and 51.4°F (10.8°C). October brings a decrease in the average high-temperature, shifting from a warm 84.4°F (29.1°C) in September to an agreeable 72°F (22.2°C). Weather in October »Weather in November
November, the last month of the autumn in Charleston, is another mild month, with an average temperature varying between 41.7°F (5.4°C) and 59.5°F (15.3°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's pleasant 72°F (22.2°C) to a refreshing 59.5°F (15.3°C). Weather in November »Weather in December
December, the first month of the winter in Charleston, is still a cool month, with an average temperature varying between 50.2°F (10.1°C) and 35.1°F (1.7°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a refreshing 59.5°F (15.3°C) to a fresh 50.2°F (10.1°C). Weather in December »Updated: Aug 23, 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 Charleston, the average lowest temperatures are observed in January, with a high of 48°F (8.9°C) and a low of 31.5°F (-0.3°C).
The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 0.91" (23mm) of precipitation.
In Charleston, during the entire year, the rain falls for 123.9 days and collects up to 20.94" (532mm) of precipitation.
Months with snowfall are January through March and December.
In Charleston, during the entire year, snow falls for 3.6 days and aggregates up to 0.63" (16mm) of snow.
The month with the least sunshine is January, with an average of 5.5h of sunshine.
The month with the most snowfall in Charleston is February, when snow falls for 1.6 days and typically aggregates up to 0.28" (7mm) of snow.
March and May, with an average relative humidity of 78%, are most humid months.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
In Charleston, snow does not fall in April through November.
May is the month with the most rainfall in Charleston. Rain falls for 13.3 days and accumulates 3.19" (81mm) of precipitation.
With an average of 14h and 30min of daylight, June has the longest days of the year.
The months with the highest UV index in Charleston are June and July, with an average maximum UV index of 7.
July registers as the month with the average highest temperatures, reaching 92.8°F (33.8°C) at its peak and 70.3°F (21.3°C) at the lowest.
The months with the lowest humidity are July and August, with an average relative humidity of 70%.
With an average of 10.9h of sunshine, July has the most sunshine of the year.
December has the shortest days of the year, with an average of 9h and 48min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 2.
Average temperature
Charleston, AR
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure
Charleston, AR
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Charleston, AR
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.1mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity
Charleston, AR
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall
Charleston, AR
- Average rainfall in January:
0.91" - Average rainfall in February:
1.1" - Average rainfall in March:
1.65" - Average rainfall in April:
2.2" - Average rainfall in May:
3.19" - Average rainfall in June:
1.61"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Charleston, AR
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
7.8 days
The months with the highest number of rainy days are May and July (13.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Charleston, AR
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Charleston, AR
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1.6 days - Average snowfall days in March:
0.3 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:
0.3 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Charleston, AR
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days
Charleston, AR
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
16 days - Average sunshine days in June:
17.2 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
21.4 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.8 days).
Average UV index
Charleston, AR
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Charleston, AR
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility
Charleston, AR
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
