Climate averages 1991–2020

Lowestoft weather
in May.

A cool, moderately wet month: the 6th warmest and the joint 2nd driest of the year.

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

Average high 13.2°C Daytime mean, May

Average low 9.3°C Night-time mean, May

Rainfall 48 mm 9 days with ≥1 mm

Daylight 16 h Sunrise to sunset, per day

May is a cool month in Lowestoft: daytime highs average 13.2°C and nights cool to about 9.3°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 48 mm of rain on roughly 9 days, which makes May a moderately wet month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 43 min on an average May day.

The nearest other city in this atlas is Norwich (35 km away). In May its highs average 15.3°C, 2.1°C warmer than Lowestoft, with 51 mm of rain.

Among the 143 cities listed in the United Kingdom, Lowestoft ranks joint 140th of 143 for the warmest May highs and joint 7th of 143 for the driest May (rainfall, lowest first). The mean May high of those 143 cities is 15.2°C; Lowestoft is 2.0°C cooler than that mean.

From May to June, average highs rise by 3.1°C to 16.2°C, and monthly rainfall rises from 48 mm to 54 mm.

The annual picture

May 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

Lowestoft climate table

1991–2020

Monthly climate averages for Lowestoft, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	7.0°C3.8°C	3.8°C	64	13.1	8.38 h
February	6.8°C3.5°C	3.5°C	53	10.8	9.910 h
March	8.2°C4.5°C	4.5°C	48	10.7	11.812 h
April	10.3°C6.4°C	6.4°C	37	8.8	13.914 h
May, selected	13.2°C9.3°C	9.3°C	48	8.7	15.716 h
June	16.2°C12.2°C	12.2°C	54	10.1	16.717 h
July	18.7°C14.6°C	14.6°C	59	11.2	16.316 h
August	19.2°C15.1°C	15.1°C	64	10.2	14.715 h
September	17.2°C13.4°C	13.4°C	66	11.0	12.713 h
October	14.0°C10.7°C	10.7°C	81	12.9	10.711 h
November	10.3°C7.2°C	7.2°C	79	14.5	8.89 h
December	7.7°C4.7°C	4.7°C	72	13.6	7.88 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

May in nearby cities

Distance from Lowestoft

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 Lowestoft) is explained once on the Lowestoft year overview and on the Sources, method and limits page.