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

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)