Best year time to visit Harpenden

General weather information about Harpenden

Average annual temperature is 11.0 °C

Absolute maximum temperature: 30.5 °C

Absolute minimum temperature: -4.5 °C

Number of sunny days: 129 days

Number of rainy days: 236 days

Look at detailed online map of Harpenden

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

Harpenden air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.313.414.716.820.328.926.525.530.523.014.312.6
Average daytime temperature (°C)7.69.19.612.316.222.520.220.822.316.09.89.0
Average temperature (°C)4.75.86.78.212.117.416.616.617.612.67.07.0
Average night temperature (°C)1.82.73.74.07.912.112.712.513.29.64.44.6
Absolute minimum temperature (°C)-4.5-3.2-3.7-0.84.56.89.39.68.11.6-2.7-3.2

Harpenden 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)8.410.011.913.915.716.616.214.612.710.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.44.94.17.99.812.19.810.18.45.94.22.3
Precipitation (mm)5781126038299066751058095
Sunny days131721014182813101111
Rainy days181129201712292317211920
Snow days000000000000

Harpenden - weather forecast by months

Harpenden weather in januaryHarpenden weather in februaryHarpenden weather in marchHarpenden weather in aprilHarpenden weather in mayHarpenden weather in juneHarpenden weather in julyHarpenden weather in augustHarpenden weather in septemberHarpenden weather in octoberHarpenden weather in novemberHarpenden weather in december

Best time to visit Harpenden:

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

  • May — 9.8(h)
  • June — 12.1(h)
  • July — 9.8(h)
  • August — 10.1(h)

Months with the longest average daylight duration in Harpenden:

  • May — 15.7(h)
  • June — 16.6(h)
  • July — 16.2(h)

The largest precipitation sum in Harpenden is at

  • March — 112(mm)
  • July — 90(mm)
  • October — 105(mm)
  • December — 95(mm)

    • Weather forecast in the closest to Harpenden admin centers

    Weather forecast in the closest towns to Harpenden

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    MapTrains schedule
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    Frequently asked questions

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