Climate averages 1991–2020

Crawley weather
in April.

A cool, moderately wet month: the 7th warmest and the 2nd driest of the year.

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

Average high 12.8°C Daytime mean, April

Average low 5.1°C Night-time mean, April

Rainfall 49 mm 10 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

April is a cool month in Crawley: daytime highs average 12.8°C and nights cool to about 5.1°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 49 mm of rain on roughly 10 days, which makes April a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 48 min on an average April day.

The nearest other city in this atlas is Purley (25 km away). In April its highs average 13.0°C, about as warm as Crawley, with 53 mm of rain.

Among the 143 cities listed in the United Kingdom, Crawley ranks joint 35th of 143 for the warmest April highs and joint 20th of 143 for the driest April (rainfall, lowest first). The mean April high of those 143 cities is 12.2°C; Crawley is 0.6°C warmer than that mean.

From April to May, average highs rise by 3.2°C to 16.0°C, and monthly rainfall rises from 49 mm to 52 mm.

The annual picture

April 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

Crawley climate table

1991–2020

Monthly climate averages for Crawley, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	7.2°C2.4°C	2.4°C	65	11.4	8.58 h
February	7.6°C2.2°C	2.2°C	51	9.5	10.010 h
March	10.0°C3.4°C	3.4°C	45	9.9	11.812 h
April, selected	12.8°C5.1°C	5.1°C	49	10.2	13.814 h
May	16.0°C8.2°C	8.2°C	52	9.6	15.516 h
June	18.7°C11.1°C	11.1°C	52	9.2	16.516 h
July	20.9°C13.2°C	13.2°C	52	10.0	16.116 h
August	20.6°C13.3°C	13.3°C	62	9.5	14.615 h
September	18.1°C11.2°C	11.2°C	50	9.2	12.713 h
October	14.3°C8.6°C	8.6°C	70	11.5	10.711 h
November	10.3°C5.2°C	5.2°C	74	11.9	9.09 h
December	7.6°C3.0°C	3.0°C	71	11.8	8.08 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

April in nearby cities

Distance from Crawley

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