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

Look at detailed online map of Keyham

* 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

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)