For those seeking warm weather, the ideal time to visit Grimsby is in July, August and June. During these months, temperatures typically soar to an average of 19.26 °C, and you'll find that July, May and June are the sunniest months, with an average of 66.37 hours of sunshine.
Conversely, if you favor cooler weather, consider planning your trip to Grimsby in January, February or March. During this period, you can expect an average temperature of 1.79 °C.
For travelers indifferent to temperature but keen to steer clear of rain, it’s wise to avoid visiting during January, February and March, when the average precipitation in Grimsby reaches 3.75 mm. Instead, consider the drier months of January, February and March, which feature significantly lower rainfall, averaging only 0 mm.