Best year time to visit Swansea (historical)

General weather information about Swansea (historical)

Average annual temperature is 4.0 °C

Absolute maximum temperature: 29.7 °C

Absolute minimum temperature: -19.8 °C

Number of sunny days: 209 days

Number of rainy days: 91 days

Number of snow days: 65 days

* Weather data for Swansea (historical) United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	1.4	0.4	-0.6	15.3	17.9	21.1	29.7	24.9	23.5	17.9	11.5	7.6
Average daytime temperature (°C)	-5.8	-3.9	-5.7	2.9	12.4	16.4	25.9	20.7	16.0	11.4	4.2	1.8
Average temperature (°C)	-8.6	-7.3	-8.1	-0.8	7.3	11.1	20.6	16.3	11.6	6.3	0.4	-1.5
Average night temperature (°C)	-11.5	-10.3	-10.9	-4.6	2.2	5.7	14.8	11.7	7.7	2.4	-2.6	-4.7
Absolute minimum temperature (°C)	-19.8	-18.8	-17.3	-17.3	-5.7	0.5	10.8	7.3	0.0	-10.9	-11.4	-12.1

The best time to visit Swansea (historical) during the most sunny months:

The largest precipitation sum in Swansea (historical) is at

January — 90(mm)

March — 94(mm)

August — 72(mm)

When is the best time to visit Swansea (historical)?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Swansea (historical).

What is the weather like in Swansea (historical)?

See average temperature, rainfall and daylight hours for Swansea (historical) by month in the table above.

How many sunny days does Swansea (historical) have?

The monthly weather statistics above show sunshine and rainfall patterns for Swansea (historical) throughout the year.