Best year time to visit Keyham

General weather information about Keyham

Average annual temperature is 10.6 °C

Absolute maximum temperature: 29.2 °C

Absolute minimum temperature: -4.7 °C

Number of sunny days: 106 days

Number of rainy days: 258 days

Number of snow days: 1 day

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

Keyham air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.214.214.716.719.128.425.826.529.221.414.113.0
Average daytime temperature (°C)7.59.29.311.816.221.719.519.921.015.19.28.6
Average temperature (°C)4.45.96.48.012.016.815.916.016.711.86.56.5
Average night temperature (°C)1.63.03.14.07.711.812.212.012.58.73.94.0
Absolute minimum temperature (°C)-3.9-3.1-4.7-0.94.36.28.88.46.52.7-3.3-4.3

Keyham monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.39.911.914.015.816.816.314.712.710.68.87.7
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.45.24.67.910.411.710.49.98.05.64.32.1
Precipitation (mm)491594644852117496910862112
Sunny days1315371114179998
Rainy days171328232016302421222123
Snow days100000000000

Keyham - weather forecast by months

Keyham weather in januaryKeyham weather in februaryKeyham weather in marchKeyham weather in aprilKeyham weather in mayKeyham weather in juneKeyham weather in julyKeyham weather in augustKeyham weather in septemberKeyham weather in octoberKeyham weather in novemberKeyham weather in december

Best time to visit Keyham:

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

  • May — 10.4(h)
  • June — 11.7(h)
  • July — 10.4(h)
  • August — 9.9(h)

Months with the longest average daylight duration in Keyham:

  • May — 15.8(h)
  • June — 16.8(h)
  • July — 16.3(h)

The largest precipitation sum in Keyham is at

  • March — 94(mm)
  • July — 117(mm)
  • October — 108(mm)
  • December — 112(mm)

    • Weather forecast in the closest to Keyham admin centers

    Weather forecast in the closest towns to Keyham

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    Frequently asked questions

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