Best year time to visit Grafham

General weather information about Grafham

Average annual temperature is 11.4 °C

Absolute maximum temperature: 31.0 °C

Absolute minimum temperature: -4.2 °C

Number of sunny days: 129 days

Number of rainy days: 236 days

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

Grafham air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.015.215.617.020.629.927.026.531.023.414.713.6
Average daytime temperature (°C)8.010.010.112.816.622.620.721.422.616.510.19.3
Average temperature (°C)4.96.37.18.712.517.617.017.217.812.87.37.2
Average night temperature (°C)1.93.03.94.68.312.413.112.913.29.64.64.7
Absolute minimum temperature (°C)-4.2-2.9-3.7-0.74.17.410.09.48.41.7-2.8-3.0

Grafham 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)8.39.911.913.915.716.716.214.612.710.68.87.8
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.35.44.68.39.612.110.110.88.45.74.32.2
Precipitation (mm)43109448445093526310861105
Sunny days15164811194814101010
Rainy days161227222011272316212021
Snow days000000000000

Grafham - weather forecast by months

Grafham weather in januaryGrafham weather in februaryGrafham weather in marchGrafham weather in aprilGrafham weather in mayGrafham weather in juneGrafham weather in julyGrafham weather in augustGrafham weather in septemberGrafham weather in octoberGrafham weather in novemberGrafham weather in december

Best time to visit Grafham:

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

  • May — 9.6(h)
  • June — 12.1(h)
  • July — 10.1(h)
  • August — 10.8(h)

Months with the longest average daylight duration in Grafham:

  • May — 15.7(h)
  • June — 16.7(h)
  • July — 16.2(h)

The largest precipitation sum in Grafham is at

  • March — 94(mm)
  • July — 93(mm)
  • October — 108(mm)
  • December — 105(mm)

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    Weather forecast in the closest towns to Grafham

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    Frequently asked questions

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