Climate averages 1991–2020

Grimsby weather
in June.

A mild, moderately wet month: the 3rd warmest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 17.5°C Daytime mean, June

Average low 10.7°C Night-time mean, June

Rainfall 65 mm 12 days with ≥1 mm

Daylight 17 h Sunrise to sunset, per day

June is a mild month in Grimsby: daytime highs average 17.5°C and nights cool to about 10.7°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 65 mm of rain on roughly 12 days, which makes June a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 57 min on an average June day.

The nearest other city in this atlas is Kingston upon Hull (26 km away). In June its highs average 17.2°C, about as warm as Grimsby, with 67 mm of rain.

Among the 143 cities listed in the United Kingdom, Grimsby ranks joint 98th of 143 for the warmest June highs and joint 83rd of 143 for the driest June (rainfall, lowest first). The mean June high of those 143 cities is 17.9°C; Grimsby is 0.4°C cooler than that mean.

From June to July, average highs rise by 2.5°C to 19.9°C, and monthly rainfall rises from 65 mm to 70 mm.

The annual picture

June in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Grimsby climate table

1991–2020

Monthly climate averages for Grimsby, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	6.9°C2.4°C	2.4°C	49	11.2	8.18 h
February	7.5°C2.2°C	2.2°C	40	9.8	9.810 h
March	9.5°C3.3°C	3.3°C	43	11.1	11.812 h
April	11.8°C5.0°C	5.0°C	48	11.2	14.014 h
May	14.6°C7.8°C	7.8°C	52	10.9	15.916 h
June, selected	17.5°C10.7°C	10.7°C	65	11.8	16.917 h
July	19.9°C12.9°C	12.9°C	70	12.7	16.516 h
August	19.9°C13.0°C	13.0°C	66	11.7	14.815 h
September	17.4°C11.1°C	11.1°C	56	9.7	12.813 h
October	13.8°C8.4°C	8.4°C	59	10.7	10.611 h
November	9.8°C5.1°C	5.1°C	55	11.9	8.79 h
December	7.1°C2.8°C	2.8°C	52	11.2	7.68 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

June in nearby cities

Distance from Grimsby

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Grimsby) is explained once on the Grimsby year overview and on the Sources, method and limits page.