Best year time to visit Charlestown

General weather information about Charlestown

Average annual temperature is 9.2 °C

Absolute maximum temperature: 24.1 °C

Absolute minimum temperature: -4.8 °C

Number of sunny days: 100 days

Number of rainy days: 262 days

Number of snow days: 3 days

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

Charlestown air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.512.312.912.318.922.819.621.824.118.714.012.7
Average daytime temperature (°C)7.09.07.39.312.616.616.617.217.012.38.37.5
Average temperature (°C)4.96.54.87.010.014.014.014.414.010.16.05.3
Average night temperature (°C)2.64.02.14.67.010.811.411.710.97.73.63.3
Absolute minimum temperature (°C)-2.20.1-4.60.02.75.18.28.05.60.7-1.9-4.8

Charlestown monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.017.017.017.016.013.011.09.07.0
Daylight mean duration (h)7.59.511.814.316.517.817.215.212.810.48.16.8
Daylight minimum duration (h)6.08.010.013.015.017.016.014.011.09.07.06.0
Sunshine mean duration (h)3.54.26.58.48.812.511.811.18.44.73.52.1
Precipitation (mm)71347270696915310466196116181
Sunny days10124111314059976
Rainy days201625191816312621222325
Snow days102000000000

Charlestown - weather forecast by months

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

Best time to visit Charlestown:

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

  • June — 12.5(h)
  • July — 11.8(h)
  • August — 11.1(h)

Months with the longest average daylight duration in Charlestown:

  • May — 16.5(h)
  • June — 17.8(h)
  • July — 17.2(h)

The largest precipitation sum in Charlestown is at

  • July — 153(mm)
  • October — 196(mm)
  • December — 181(mm)

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    Frequently asked questions

    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.