Grimsby, United Kingdom in January

January6°C average high

January has some of the coolest average daytime highs of the year, so pack for fresher conditions.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

January56mm average rain

January is close to Grimsby's usual rainfall pattern, with little seasonal change across the year.

Driest monthsAll year

Rainfall stays comparatively low through the year.

January1.6 hours average sun

January is one of Grimsby's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

January7°C average sea

January is one of the coolest sea months, so the water may feel fresher than in peak months.

Warmest seaJuly to October

Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.

January16 weather score

January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsJune to September

These months have the strongest weather score in the monthly averages.