Harwich weather in July 2025

Q: How hot is it in Harwich in July?

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

Q: How sunny is it in Harwich in July?

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

Q: How warm is the sea around Harwich in July?

The average sea temperature around Harwich in July is 17°C.

Q: Does it rain in Harwich in July?

There are usually 13 days with some rain in Harwich in July and the average monthly rainfall is 45mm.

Expect daytime maximum temperatures of 21°C in Harwich, England in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 45 mm of rainfall in the month.

21
21°C max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
12
12°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
45
45 mm of monthly rainfall
6
6 (High) UV index
17
17°C sea temperature

More about Harwich

Harwich by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for England

Avis sale: up to 10% off car hire

Sale

Save up to 10% on car hire for select destinations
Book car hire in Europe, Australia, New Zealand & more
Travel: 1 Mar-14 Dec 2025. Black out periods apply

Go to Avis deal >>

Expires at 23:59 on Tuesday 18th Mar 2025 · View all Avis offers

Car hire finder

Destination

The July 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)