Best year time to visit Swansea

General weather information about Swansea

Average annual temperature is 10.0 °C

Absolute maximum temperature: 33.4 °C

Absolute minimum temperature: -25.9 °C

Number of sunny days: 154 days

Number of rainy days: 180 days

Number of snow days: 31 days

Look at detailed online map of Swansea

* Weather data for Swansea Canada is based on climate observations for 2026 year

Swansea air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.114.011.226.827.231.730.129.833.427.814.312.6
Average daytime temperature (°C)1.93.84.813.418.323.326.524.322.716.57.95.6
Average temperature (°C)-0.4-1.70.68.413.118.922.020.118.412.94.33.0
Average night temperature (°C)-2.9-6.1-2.93.88.114.917.516.014.510.01.00.7
Absolute minimum temperature (°C)-13.8-25.9-9.2-5.21.711.113.910.57.5-1.7-4.9-4.5

Swansea monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.113.912.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.36.66.59.111.511.611.611.010.06.45.42.9
Precipitation (mm)78771061094512013913013645388
Sunny days914914231521220111510
Rainy days1461116815291910201319
Snow days8811000000022

Swansea - weather forecast by months

Swansea weather in januarySwansea weather in februarySwansea weather in marchSwansea weather in aprilSwansea weather in maySwansea weather in juneSwansea weather in julySwansea weather in augustSwansea weather in septemberSwansea weather in octoberSwansea weather in novemberSwansea weather in december

Best time to visit Swansea:

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

  • May — 11.5(h)
  • June — 11.6(h)
  • July — 11.6(h)
  • August — 11.0(h)

Months with the longest average daylight duration in Swansea:

  • June — 15.4(h)

The largest precipitation sum in Swansea is at

  • April — 109(mm)
  • June — 120(mm)
  • July — 139(mm)
  • August — 130(mm)

    • Weather forecast in the closest to Swansea admin centers

    Weather forecast in the closest towns to Swansea

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    Frequently asked questions

    When is the best time to visit Swansea?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Swansea.
    What is the weather like in Swansea?
    See average temperature, rainfall and daylight hours for Swansea by month in the table above.
    How many sunny days does Swansea have?
    The monthly weather statistics above show sunshine and rainfall patterns for Swansea throughout the year.