Harwich weather in May 2026

Expect daytime maximum temperatures of 16°C in Harwich, England in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 42 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Harwich16
    16°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Harwich15
    15 days with some rainfall
  • 7°C minimum night-time temperature in May in Harwich7
    7°C min night temperature
  • 16 hours of daylight per day in May in Harwich16
    16 hours of daylight per day
  • No heat & humidity in May in Harwich0
    No heat & humidity
  • 42 mm monthly rainfall in May in Harwich42
    42 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Harwich5
    5 (Moderate) UV index
  • 11°C sea temperature in May in Harwich11
    11°C sea temperature

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The May weather guide for England (Harwich) 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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More about England

How warm is it in Harwich in May?

Daytime temperatures usually reach 16°C in Harwich in May, falling to 7°C at night.

How sunny is it in Harwich in May?

There are normally 7 hours of bright sunshine each day in Harwich in May - that's 43% of daylight hours.

Is the sea cold around Harwich in May?

The average sea temperature around Harwich in May is 11°C.

Does it rain in Harwich in May?

There are usually 15 days with some rain in Harwich in May and the average monthly rainfall is 42mm.

Harwich May sunrise & sunset times

Browse the sunrise and sunset times for Harwich in May 2026. Select a month to view Harwich sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:26 19:20
Saturday, 16th May 2026 04:00 19:44
Sunday, 31st May 2026 03:42 20:04

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