Grimsby weather in July 2026

Q: How hot is it in Grimsby in July?

Daytime temperatures usually reach 20°C in Grimsby in July, falling to 12°C at night.

Q: How sunny is it in Grimsby in July?

There are normally 6 hours of bright sunshine each day in Grimsby in July - that's 35% of daylight hours.

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

The average sea temperature around Grimsby in July is 14°C.

Q: Does it rain in Grimsby in July?

There are usually 12 days with some rain in Grimsby in July and the average monthly rainfall is 51mm.

Expect daytime maximum temperatures of 68°F in Grimsby, England in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 2.0 inches of rainfall in the month.

68
68°F max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
54
54°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
2.0
2.0 inches of monthly rainfall
6
6 (High) UV index
57
57°F sea temperature

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The July weather guide for England (Grimsby) 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) | Imperial (°F)