Best year time to visit Charlestown (historical)

General weather information about Charlestown (historical)

Average annual temperature is 12.0 °C

Absolute maximum temperature: 39.7 °C

Absolute minimum temperature: -17.7 °C

Number of sunny days: 229 days

Number of rainy days: 117 days

Number of snow days: 19 days

Look at detailed online map of Charlestown (historical)

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

Charlestown (historical) air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.314.222.129.230.833.436.339.735.931.620.913.6
Average daytime temperature (°C)1.86.29.519.125.629.229.331.028.518.712.56.0
Average temperature (°C)-2.6-0.92.411.518.923.223.724.821.812.96.31.4
Average night temperature (°C)-6.0-5.3-2.65.413.117.418.819.716.18.11.3-2.1
Absolute minimum temperature (°C)-17.6-17.7-10.0-5.22.910.213.112.99.7-6.8-6.0-8.0

Charlestown (historical) monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.014.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.88.08.810.811.112.611.811.510.68.07.34.8
Precipitation (mm)4932421835651142418502053
Sunny days192022241415122222162221
Rainy days7575171519981456
Snow days532100000134

Charlestown (historical) - weather forecast by months

Charlestown (historical) weather in januaryCharlestown (historical) weather in februaryCharlestown (historical) weather in marchCharlestown (historical) weather in aprilCharlestown (historical) weather in mayCharlestown (historical) weather in juneCharlestown (historical) weather in julyCharlestown (historical) weather in augustCharlestown (historical) weather in septemberCharlestown (historical) weather in octoberCharlestown (historical) weather in novemberCharlestown (historical) weather in december

Best time to visit Charlestown (historical):

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

  • June — 12.6(h)
  • July — 11.8(h)

The largest precipitation sum in Charlestown (historical) is at

  • June — 65(mm)
  • July — 114(mm)

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    Frequently asked questions

    When is the best time to visit Charlestown (historical)?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Charlestown (historical).
    What is the weather like in Charlestown (historical)?
    See average temperature, rainfall and daylight hours for Charlestown (historical) by month in the table above.
    How many sunny days does Charlestown (historical) have?
    The monthly weather statistics above show sunshine and rainfall patterns for Charlestown (historical) throughout the year.