9 to 34°C
temperature
2973 hours
sunshine per day
353 mm
rain
249 days
dry
113 days
rain
3 days
snow

Climate of Charleston

Charleston has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Charleston is 22° degrees and there is about 352 mm of rain in a year. It is dry for 223 days a year with an average humidity of 74% and an UV-index of 5.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 9°C and 34°C
  • Night:the average nighttime temperature is between -1°C and 21°C
  • Rain: it rains 113 days and there is a total of approximately 353 mm rainfall
  • Snow: it snows an average of 3 days per year
  • Sun hours: throughout the year there are 2973 sun hours
Maximum temperature: between 9°C and 34°C
Warmest month: 34°C in July
Coldest month: 9°C in January
Night temperature: between -1°C and 21°C
Dry days: 249 days
Days with rain: 113 days
Days with snow: 3 days
Total rain sum: 353 mm
Hours of sunshine: 2973 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Charleston.

Precipitation graph

This graph shows the average amount of rainfall per month for Charleston.

Climate table of Charleston

In this climate table you can see at a glance what the average weather per month is for Charleston. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Charleston might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 9 11 16 21 26 32 34 33 29 22 15 10
Night temp. (°C) -1 2 6 10 15 20 21 21 17 11 6 1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 18 23 32 35 46 25 25 29 24 37 26 33
Days with rain 7 8 11 11 12 8 12 11 9 9 7 8
Days with snow 1 1 - - - - - - - - - 1
Dry days 23 19 20 19 19 22 19 20 21 22 23 22
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 6 7 9 10 11 12 11 10 6 6 5
Wind force (Bft) 2 2 2 3 2 2 2 2 2 2 2 2
UV-index 3 3 4 5 6 7 7 6 5 4 3 2

Best time to visit Charleston

The best time to visit Charleston in the state of Arkansas is from April through June and September and October. In this period you have a hot temperature and almost no precipitation. The highest average temperature in Charleston is 34°C in July and the lowest is 9°C in January.

Climate of Charleston by month

What is the average climate in a given month for Charleston? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Charleston weather experiences

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