Harwich weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Harwich in August. Check more long-term weather averages for Harwich in August before you book your next holiday to England in 2025/2026.

  • 21°C maximum daytime temperature in August in Harwich21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in August in Harwich14
    14 days with some rainfall
  • 12°C minimum night-time temperature in August in Harwich12
    12°C min night temperature
  • 15 hours of daylight per day in August in Harwich15
    15 hours of daylight per day
  • No heat & humidity in August in Harwich0
    No heat & humidity
  • 46 mm monthly rainfall in August in Harwich46
    46 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Harwich5
    5 (Moderate) UV index
  • 18°C sea temperature in August in Harwich18
    18°C sea temperature

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The August 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 hot is it in Harwich in August?

Daytime temperatures usually reach 21°C in Harwich in August, falling to 12°C at night.

How sunny is it in Harwich in August?

There are normally 6 hours of bright sunshine each day in Harwich in August - that's 43% of daylight hours.

How warm is the sea around Harwich in August?

The average sea temperature around Harwich in August is 18°C.

Does it rain in Harwich in August?

There are usually 14 days with some rain in Harwich in August and the average monthly rainfall is 46mm.

Harwich August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:17 19:44
Saturday, 16th August 2025 04:41 19:16
Sunday, 31st August 2025 05:05 18:44

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