Best year time to visit Portmellon

General weather information about Portmellon

Average annual temperature is 12.1 °C

Absolute maximum temperature: 22.2 °C

Absolute minimum temperature: -1.0 °C

Number of sunny days: 99 days

Number of rainy days: 266 days

Look at detailed online map of Portmellon

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

Portmellon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.212.212.714.619.622.119.820.422.219.914.913.8
Average daytime temperature (°C)9.39.710.511.515.518.618.218.318.815.611.711.3
Average temperature (°C)7.67.88.69.612.816.316.116.216.613.810.29.8
Average night temperature (°C)5.55.86.87.610.214.013.914.014.312.08.48.0
Absolute minimum temperature (°C)-0.71.50.53.37.010.011.111.910.48.02.2-1.0

Portmellon 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)8.610.111.913.815.416.315.914.412.610.79.08.1
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)3.95.45.27.711.612.410.08.98.25.24.12.7
Precipitation (mm)1351715685586113312993130143142
Sunny days1015471812148947
Rainy days211327231318302722222624
Snow days000000000000

Best time to visit Portmellon:

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

  • May — 11.6(h)
  • June — 12.4(h)
  • July — 10.0(h)
  • August — 8.9(h)

Months with the longest average daylight duration in Portmellon:

  • May — 15.4(h)
  • June — 16.3(h)
  • July — 15.9(h)

The largest precipitation sum in Portmellon is at

  • January — 135(mm)
  • March — 156(mm)
  • November — 143(mm)
  • December — 142(mm)
  • Frequently asked questions

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