Watford weather in May 2025

Expect daytime maximum temperatures of 17°C in Watford, England in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 56 mm of rainfall in the month.

  • 17°C maximum daytime temperature in May in Watford17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in May in Watford14
    14 days with some rainfall
  • 7°C minimum night-time temperature in May in Watford7
    7°C min night temperature
  • 16 hours of daylight per day in May in Watford16
    16 hours of daylight per day
  • No heat & humidity in May in Watford0
    No heat & humidity
  • 56 mm monthly rainfall in May in Watford56
    56 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Watford5
    5 (Moderate) UV index

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The May weather guide for England (Watford) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Watford in May?

Daytime temperatures usually reach 17°C in Watford in May, falling to 7°C at night.

How sunny is it in Watford in May?

There are normally 6 hours of bright sunshine each day in Watford in May - that's 40% of daylight hours.

Does it rain in Watford in May?

There are usually 14 days with some rain in Watford in May and the average monthly rainfall is 56mm.

Watford May sunrise & sunset times

Browse the sunrise and sunset times for Watford in May 2025. Select a month to view Watford sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:33 19:26
Friday, 16th May 2025 04:07 19:50
Saturday, 31st May 2025 03:50 20:09

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