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Grimsby Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grimsby.
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Climate overview of Grimsby
Grimsby, Lincolnshire, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 22°C (72°F) in July, while winters cool to 8°C (46°F) in January.
Grimsby sees a moderate amount of rain/snowfall, totalling around 767 mm (30 in) per year. It experiences pleasant summers and cold winters, creating some seasonal variation. The sunniest month is May, with 6.7 hours of sunshine per day on average.
Grimsby Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grimsby - and find the best time to visit.
Monthly Temperature in Grimsby
Depending on the time of the year, temperatures range from pleasant to chilly in Grimsby. Average maximum daytime temperatures range from a pleasant 22°C (72°F) in July, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around 2°C (36°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grimsby
Generally, Grimsby has a moderate amount of precipitation, averaging 767 mm (30 in) of rain/snowfall annually. Year-round, Grimsby has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 79 mm (3.1 in), and the driest month, March, with 51 mm (2 in), is minimal. For more details, please visit our Grimsby Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Grimsby
Seasonal changes in sunshine hours are quite dramatic in Grimsby. While May receives considerable daily sunshine with up to 6.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Hull, the United Kingdom (26 KM, 16 Miles).
Daily hours of sunshine
Data from: Hull, the United Kingdom (26 KM, 16 Miles).
Best Time to Visit Grimsby
For comfortable weather, consider visiting Grimsby in July and August. Conditions are usually least favourable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
good
May
good
Jun
very good
Jul
excellent
Aug
excellent
Sep
very good
Oct
good
Nov
mixed
Dec
cold
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May and July
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Grimsby
What is the best time to visit Grimsby?
July and August typically offer the most optimal weather in Grimsby. In contrast, January, February and December tend to have less optimal conditions. Grimsby has pleasant summers and cold winters.
What temperatures can I expect in Grimsby?
Daytime highs range from 8°C (46°F) in January to 22°C (72°F) in July. Nighttime lows range from 2°C (36°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Grimsby get?
Annual rainfall is around 767 mm (30 in). June is the wettest month with 79 mm (3.1 in), while March is the driest with 51 mm (2 in).
How sunny is Grimsby?
Grimsby receives around 1,561 hours of sunshine per year. May is the sunniest month with 202 hours, while December is the cloudiest with just 54 hours.
Grimsby 3-Day Forecast
Grimsby on the map
Grimsby is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
London
16°C (61°F) Bath15°C (59°F) Torquay16°C (61°F) Manchester14°C (57°F) York15°C (59°F) Blackpool
15°C (59°F) Edinburgh13°C (55°F) Glasgow14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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