Best year time to visit Hillingdon

General weather information about Hillingdon

Average annual temperature is 11.3 °C

Absolute maximum temperature: 30.5 °C

Absolute minimum temperature: -5.1 °C

Number of sunny days: 134 days

Number of rainy days: 231 days

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

Hillingdon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.713.314.717.121.028.826.825.330.522.814.413.1
Average daytime temperature (°C)7.99.410.112.817.023.020.521.022.416.410.39.4
Average temperature (°C)4.85.97.28.512.617.816.816.817.812.77.47.3
Average night temperature (°C)1.52.54.14.28.112.412.912.713.49.64.64.8
Absolute minimum temperature (°C)-5.1-2.8-3.7-0.25.07.39.19.68.12.6-2.1-3.8

Hillingdon 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)8.410.011.913.915.616.616.114.612.710.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.44.54.37.69.812.210.19.78.96.34.32.3
Precipitation (mm)681111092343411174651108697
Sunny days172031013184513101110
Rainy days14828201812272617211921
Snow days000000000000

Hillingdon - weather forecast by months

Hillingdon weather in januaryHillingdon weather in februaryHillingdon weather in marchHillingdon weather in aprilHillingdon weather in mayHillingdon weather in juneHillingdon weather in julyHillingdon weather in augustHillingdon weather in septemberHillingdon weather in octoberHillingdon weather in novemberHillingdon weather in december

Best time to visit Hillingdon:

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

  • May — 9.8(h)
  • June — 12.2(h)
  • July — 10.1(h)
  • August — 9.7(h)
  • September — 8.9(h)

Months with the longest average daylight duration in Hillingdon:

  • May — 15.6(h)
  • June — 16.6(h)
  • July — 16.1(h)

The largest precipitation sum in Hillingdon is at

  • March — 110(mm)
  • July — 111(mm)
  • October — 110(mm)
  • December — 97(mm)

    • Weather forecast in the closest to Hillingdon admin centers

    Weather forecast in the closest towns to Hillingdon

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    Frequently asked questions

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