Best year time to visit Charlestown

General weather information about Charlestown

Average annual temperature is 14.4 °C

Absolute maximum temperature: 34.6 °C

Absolute minimum temperature: -6.8 °C

Number of sunny days: 179 days

Number of rainy days: 182 days

Number of snow days: 4 days

* Weather data for Charlestown United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	17.2	22.6	24.5	28.0	30.6	33.9	34.5	34.6	32.6	29.6	25.5	16.3
Average daytime temperature (°C)	9.2	13.4	13.8	19.8	24.5	28.0	30.3	29.2	27.7	20.7	14.1	10.2
Average temperature (°C)	5.0	6.9	7.6	13.1	18.2	21.9	24.9	23.9	21.5	15.4	8.5	5.5
Average night temperature (°C)	1.8	2.3	3.0	7.5	12.7	16.6	20.4	19.3	16.2	11.3	4.6	2.2
Absolute minimum temperature (°C)	-4.6	-6.8	-5.7	0.6	4.1	11.5	16.4	13.9	11.7	-0.6	-5.4	-5.5

The best time to visit Charlestown during the most sunny months:

The largest precipitation sum in Charlestown is at

January — 128(mm)

March — 151(mm)

July — 101(mm)

When is the best time to visit Charlestown?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Charlestown.

What is the weather like in Charlestown?

See average temperature, rainfall and daylight hours for Charlestown by month in the table above.

How many sunny days does Charlestown have?

The monthly weather statistics above show sunshine and rainfall patterns for Charlestown throughout the year.