Climate averages 1991–2020

Swansea weather
in February.

A cold, wet month: the 11th warmest and the 6th driest of the year.

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

Average high 7.8°C Daytime mean, February

Average low 3.7°C Night-time mean, February

Rainfall 92 mm 13 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

February is a cold month in Swansea: daytime highs average 7.8°C and nights cool to about 3.7°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 92 mm of rain on roughly 13 days, which makes February a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 55 min on an average February day.

The nearest other city in this atlas is Cardiff (55 km away). In February its highs average 7.8°C, about as warm as Swansea, with 75 mm of rain.

Among the 143 cities listed in the United Kingdom, Swansea ranks joint 25th of 143 for the warmest February highs and 139th of 143 for the driest February (rainfall, lowest first). The mean February high of those 143 cities is 7.4°C; Swansea is 0.4°C warmer than that mean.

From February to March, average highs rise by 1.6°C to 9.4°C, and monthly rainfall falls from 92 mm to 83 mm.

The annual picture

February 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

Swansea climate table

1991–2020

Monthly climate averages for Swansea, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	7.7°C4.0°C	4.0°C	128	17.0	8.48 h
February, selected	7.8°C3.7°C	3.7°C	92	13.1	9.910 h
March	9.4°C4.5°C	4.5°C	83	13.7	11.812 h
April	11.8°C6.1°C	6.1°C	69	12.0	13.814 h
May	14.6°C8.8°C	8.8°C	72	12.4	15.616 h
June	16.9°C11.6°C	11.6°C	79	12.2	16.617 h
July	18.5°C13.5°C	13.5°C	86	13.8	16.216 h
August	18.5°C13.8°C	13.8°C	101	14.3	14.615 h
September	16.8°C12.1°C	12.1°C	96	13.2	12.713 h
October	13.7°C9.7°C	9.7°C	143	16.7	10.711 h
November	10.5°C6.9°C	6.9°C	143	17.3	8.99 h
December	8.2°C4.7°C	4.7°C	145	16.8	7.98 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

February in nearby cities

Distance from Swansea

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