Best year time to visit Cornwell

General weather information about Cornwell

Average annual temperature is 23.9 °C

Absolute maximum temperature: 36.6 °C

Absolute minimum temperature: 1.9 °C

Number of sunny days: 127 days

Number of rainy days: 238 days

Look at detailed online map of Cornwell

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

Cornwell air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)30.933.435.634.836.135.635.736.635.330.931.229.1
Average daytime temperature (°C)25.429.230.830.732.232.433.934.132.428.726.723.0
Average temperature (°C)18.922.323.324.225.326.328.128.326.623.921.418.6
Average night temperature (°C)14.016.617.219.220.022.023.924.422.620.217.515.1
Absolute minimum temperature (°C)1.98.18.814.516.319.422.022.819.912.58.55.9

Cornwell monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.611.212.012.813.513.813.713.112.311.510.810.4
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)8.69.710.310.211.611.810.810.99.89.58.26.8
Precipitation (mm)245130193131136161152232847578
Sunny days162019681245161218
Rainy days15812242329292725151813
Snow days000000000000

Best time to visit Cornwell:

The largest precipitation sum in Cornwell is at

  • April — 193(mm)
  • July — 161(mm)
  • August — 152(mm)
  • September — 232(mm)
  • 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.