Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Weather Guide
Best months: July, August, June
Across the year, average daytime temperatures are around 19°C, sunshine averages 6.1h per day, and rainfall totals about 1064mm.
Annual averages
Temp
19°C
Rain
1064mm
Annual total
Sun
6.1h
Weather score
47
Mixed avg
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 123mm, so some wet days are possible.
Bright
Sunshine averages 8h per day, so bright days are a strong part of the month.
Map
Compare Charleston, West Virginia, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
July30°C average high
July is one of Charleston's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
July123mm average rain
July is one of Charleston's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July8 hours average sun
July is one of Charleston's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
July75 weather score
July is one of Charleston's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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