Best year time to visit Snowdon

General weather information about Snowdon

Average annual temperature is 9.0 °C

Absolute maximum temperature: 30.9 °C

Absolute minimum temperature: -31.5 °C

Number of sunny days: 112 days

Number of rainy days: 214 days

Number of snow days: 39 days

Look at detailed online map of Snowdon

* Weather data for Snowdon United States is based on climate observations for 2026 year

Snowdon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.514.714.326.728.830.929.926.030.028.215.111.2
Average daytime temperature (°C)3.04.35.015.819.422.526.323.221.015.96.75.2
Average temperature (°C)-0.3-1.6-0.38.812.517.120.918.416.111.22.21.7
Average night temperature (°C)-3.4-6.5-4.63.46.412.616.614.712.47.5-1.2-0.7
Absolute minimum temperature (°C)-10.3-31.5-12.9-5.7-1.07.412.29.66.80.8-6.4-7.8

Snowdon 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)9.510.511.913.414.615.315.013.912.511.19.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)2.65.25.88.611.910.511.29.88.66.35.63.2
Precipitation (mm)99661141124499176150626963150
Sunny days66813186561512107
Rainy days151215171324262515191617
Snow days10108000000047

Snowdon - weather forecast by months

Snowdon weather in januarySnowdon weather in februarySnowdon weather in marchSnowdon weather in aprilSnowdon weather in maySnowdon weather in juneSnowdon weather in julySnowdon weather in augustSnowdon weather in septemberSnowdon weather in octoberSnowdon weather in novemberSnowdon weather in december

Best time to visit Snowdon:

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

  • May — 11.9(h)
  • June — 10.5(h)
  • July — 11.2(h)
  • August — 9.8(h)

Months with the longest average daylight duration in Snowdon:

  • June — 15.3(h)

The largest precipitation sum in Snowdon is at

  • July — 176(mm)
  • August — 150(mm)
  • December — 150(mm)

    • Weather forecast in the closest to Snowdon admin centers

    Weather forecast in the closest towns to Snowdon

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    Frequently asked questions

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