Cool
Average highs are around 19°C, so pack for cooler days.
March verdict
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 7.7h per day, enough for a balanced month. Rainfall averages 109mm, so some wet days are possible.
Monthly averages
Temp
19°C
Rain
109mm
Sun
7.7h
Weather score
48
Mixed
Cool
Average highs are around 19°C, so pack for cooler days.
Showers
Rainfall averages 109mm, so some wet days are possible.
Some sun
Sunshine averages 7.7h per day, enough for a balanced month.
Map
Compare Charleston, South Carolina, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
March19°C average high
March is on the cooler side of Charleston's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
March109mm average rain
March sits near Charleston's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February, April to May, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March7.7 hours average sun
March sits close to Charleston's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
March48 weather score
March scores below Charleston's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to June and September to October
These months have the strongest weather score in the monthly averages.
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