+51.6208° · -3.9432° · ELEV 0m

Swansea

United Kingdom · Wales

Monthly weather averages for Swansea, United Kingdom — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.

№ 01

Climate Overview

July → January

Swansea has a temperate climate. The warmest month is July (20°C average high) and the coolest is January (8°C).

№ 02

Rainfall by Month

1458 mm / year

Swansea sees 1458 mm of rain a year. The wettest month is December (184 mm); the driest is April (61 mm).

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№ 03

Best Time to Visit

June
June
12°C – 18°C · 11.2h sun

The best time to visit Swansea is June, when temperatures average 12°C–18°C with 11.2 sunshine hours per day.

№ 04

Monthly Breakdown

12 months · °C · mm · hours
Monthly climate normals for Swansea, United Kingdom — click a column to sort
January8.2°C3.7°C141 mm3.8 h08:1516:34
February8.5°C3.8°C120 mm5.3 h07:3017:29
March9.9°C4.3°C112 mm7.0 h06:3018:19
April12.5°C5.7°C61 mm9.8 h06:2020:11
May15.3°C8.8°C93 mm10.8 h05:2321:00
June18.2°C12.0°C88 mm11.2 h04:5721:35
July19.5°C13.6°C108 mm10.8 h05:1521:27
August18.9°C13.6°C125 mm9.7 h06:0020:40
September17.7°C12.1°C114 mm8.3 h06:5019:32
October14.5°C10.0°C165 mm6.0 h07:3918:23
November11.0°C6.7°C147 mm4.4 h07:3316:27
December9.3°C5.4°C184 mm3.4 h08:1516:06

Nearby cities

View monthly climate averages for nearby cities or compare them with Swansea.

Temperature, rainfall and sunshine, month by month.