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Climate & Weather Averages in Swansea, Wales, United Kingdom

Currently: 62 °F. Drizzle. Low clouds. (Weather station: Pembrey Sands, United Kingdom). See more current weather

Annual Weather Averages Near Swansea

Averages are for Mumbles, which is 4 miles from Swansea.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Swansea

High Temp: 67 °F

Low Temp: 40 °F

Mean Temp: 52 °F

Precipitation: 3.53"

Humidity: 82%

Dew Point: 47 °F

Wind: 28 mph

Pressure: 29.99 "Hg

Visibility: N/A

January Climate & Weather Averages in Swansea

High Temp: 47 °F

Low Temp: 41 °F

Mean Temp: 44 °F

Precipitation: 4.99"

Humidity: 86%

Dew Point: 40 °F

Wind: 31 mph

Pressure: 29.95 "Hg

Visibility: N/A

February Climate & Weather Averages in Swansea

High Temp: 47 °F

Low Temp: 40 °F

Mean Temp: 43 °F

Precipitation: 3.37"

Humidity: 83%

Dew Point: 38 °F

Wind: 33 mph

Pressure: 29.96 "Hg

Visibility: N/A

March Climate & Weather Averages in Swansea

High Temp: 49 °F

Low Temp: 41 °F

Mean Temp: 45 °F

Precipitation: 2.89"

Humidity: 81%

Dew Point: 40 °F

Wind: 27 mph

Pressure: 30.01 "Hg

Visibility: N/A

April Climate & Weather Averages in Swansea

High Temp: 54 °F

Low Temp: 44 °F

Mean Temp: 49 °F

Precipitation: 1.93"

Humidity: 77%

Dew Point: 41 °F

Wind: 24 mph

Pressure: 30.00 "Hg

Visibility: N/A

May Climate & Weather Averages in Swansea

High Temp: 59 °F

Low Temp: 49 °F

Mean Temp: 54 °F

Precipitation: 2.55"

Humidity: 79%

Dew Point: 47 °F

Wind: 24 mph

Pressure: 30.01 "Hg

Visibility: N/A

June Climate & Weather Averages in Swansea

High Temp: 64 °F

Low Temp: 55 °F

Mean Temp: 59 °F

Precipitation: 2.77"

Humidity: 81%

Dew Point: 53 °F

Wind: 25 mph

Pressure: 30.02 "Hg

Visibility: N/A

July Climate & Weather Averages in Swansea

High Temp: 67 °F

Low Temp: 58 °F

Mean Temp: 63 °F

Precipitation: 2.70"

Humidity: 80%

Dew Point: 56 °F

Wind: 25 mph

Pressure: 30.02 "Hg

Visibility: N/A

August Climate & Weather Averages in Swansea

High Temp: 67 °F

Low Temp: 58 °F

Mean Temp: 62 °F

Precipitation: 3.91"

Humidity: 82%

Dew Point: 56 °F

Wind: 28 mph

Pressure: 29.99 "Hg

Visibility: N/A

September Climate & Weather Averages in Swansea

High Temp: 64 °F

Low Temp: 55 °F

Mean Temp: 60 °F

Precipitation: 2.98"

Humidity: 81%

Dew Point: 53 °F

Wind: 26 mph

Pressure: 30.05 "Hg

Visibility: N/A

October Climate & Weather Averages in Swansea

High Temp: 59 °F

Low Temp: 51 °F

Mean Temp: 55 °F

Precipitation: 4.56"

Humidity: 82%

Dew Point: 49 °F

Wind: 31 mph

Pressure: 29.95 "Hg

Visibility: N/A

November Climate & Weather Averages in Swansea

High Temp: 53 °F

Low Temp: 45 °F

Mean Temp: 49 °F

Precipitation: 4.79"

Humidity: 83%

Dew Point: 44 °F

Wind: 29 mph

Pressure: 29.92 "Hg

Visibility: N/A

December Climate & Weather Averages in Swansea

High Temp: 50 °F

Low Temp: 43 °F

Mean Temp: 47 °F

Precipitation: 4.98"

Humidity: 87%

Dew Point: 43 °F

Wind: 33 mph

Pressure: 29.94 "Hg

Visibility: N/A

Quick Climate Info

Hottest MonthJuly (63 °F avg)
Coldest MonthFebruary (43 °F avg)
Wettest MonthJanuary (4.99" avg)
Windiest MonthDecember (33 mph avg)
Annual precip.42.41" (per year)

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