Best year time to visit Port Isaac

General weather information about Port Isaac

Average annual temperature is 11.8 °C

Absolute maximum temperature: 26.6 °C

Absolute minimum temperature: -2.0 °C

Number of sunny days: 79 days

Number of rainy days: 286 days

Look at detailed online map of Port Isaac

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

Port Isaac air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.512.413.515.119.724.222.122.526.621.814.312.9
Average daytime temperature (°C)8.79.310.111.815.320.117.518.119.315.711.110.6
Average temperature (°C)6.97.08.19.312.617.015.716.116.913.59.89.2
Average night temperature (°C)4.74.76.16.79.513.713.814.114.311.68.27.6
Absolute minimum temperature (°C)-1.3-0.30.53.57.29.411.212.710.97.61.8-2.0

Port Isaac 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)8.610.111.913.815.516.416.014.512.610.79.08.1
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.85.45.18.011.912.59.78.88.35.44.12.7
Precipitation (mm)21034220104656319014789133252242
Sunny days612481912115713
Rainy days251627221218303025242928
Snow days000000000000

Best time to visit Port Isaac:

The best time to visit Port Isaac during the most sunny months:

  • May — 11.9(h)
  • June — 12.5(h)
  • July — 9.7(h)

Months with the longest average daylight duration in Port Isaac:

  • May — 15.5(h)
  • June — 16.4(h)
  • July — 16.0(h)

The largest precipitation sum in Port Isaac is at

  • January — 210(mm)
  • March — 220(mm)
  • July — 190(mm)
  • November — 252(mm)
  • December — 242(mm)
  • Frequently asked questions

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