Best year time to visit Cornwell

General weather information about Cornwell

Average annual temperature is 10.6 °C

Absolute maximum temperature: 28.3 °C

Absolute minimum temperature: -4.3 °C

Number of sunny days: 114 days

Number of rainy days: 250 days

Number of snow days: 1 day

Look at detailed online map of Cornwell

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

Cornwell air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.813.713.616.219.127.125.325.628.321.914.012.0
Average daytime temperature (°C)7.28.99.011.716.121.819.019.720.715.19.48.6
Average temperature (°C)4.45.66.47.911.916.815.515.916.612.06.86.7
Average night temperature (°C)1.52.73.64.07.811.712.112.112.69.24.34.4
Absolute minimum temperature (°C)-4.3-2.6-3.7-1.64.56.28.59.27.22.9-2.9-2.8

Cornwell monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.49.911.913.915.716.616.214.612.710.78.87.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.35.14.77.410.712.09.89.97.66.04.32.0
Precipitation (mm)7410125695648122856313264134
Sunny days16185712171498107
Rainy days151025231913302721232024
Snow days001000000000

Cornwell - weather forecast by months

Cornwell weather in januaryCornwell weather in februaryCornwell weather in marchCornwell weather in aprilCornwell weather in mayCornwell weather in juneCornwell weather in julyCornwell weather in augustCornwell weather in septemberCornwell weather in octoberCornwell weather in novemberCornwell weather in december

Best time to visit Cornwell:

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

  • May — 10.7(h)
  • June — 12.0(h)
  • July — 9.8(h)
  • August — 9.9(h)

Months with the longest average daylight duration in Cornwell:

  • May — 15.7(h)
  • June — 16.6(h)
  • July — 16.2(h)

The largest precipitation sum in Cornwell is at

  • March — 125(mm)
  • July — 122(mm)
  • October — 132(mm)
  • December — 134(mm)

    • Weather forecast in the closest to Cornwell admin centers

    Weather forecast in the closest towns to Cornwell

    Explore Cornwell

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    Frequently asked questions

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