Best year time to visit Merthyr Vale

General weather information about Merthyr Vale

Average annual temperature is 10.4 °C

Absolute maximum temperature: 26.2 °C

Absolute minimum temperature: -4.8 °C

Number of sunny days: 107 days

Number of rainy days: 255 days

Number of snow days: 3 days

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* Weather data for Merthyr Vale United Kingdom is based on climate observations for 2026 year

Merthyr Vale air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.311.112.716.420.025.223.623.226.221.313.311.7
Average daytime temperature (°C)7.18.38.811.316.520.917.718.719.214.39.58.6
Average temperature (°C)4.55.56.27.712.416.414.815.315.911.67.06.7
Average night temperature (°C)1.92.63.93.88.011.711.612.112.59.24.74.6
Absolute minimum temperature (°C)-3.8-2.8-2.4-2.45.66.38.49.26.52.7-2.3-4.8

Merthyr Vale monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.410.011.913.915.616.616.114.612.710.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.84.64.47.111.511.99.59.07.15.63.81.9
Precipitation (mm)186122141046976168128123176125223
Sunny days14152813125498116
Rainy days171327221818262721231924
Snow days002000000001

Merthyr Vale - weather forecast by months

Merthyr Vale weather in januaryMerthyr Vale weather in februaryMerthyr Vale weather in marchMerthyr Vale weather in aprilMerthyr Vale weather in mayMerthyr Vale weather in juneMerthyr Vale weather in julyMerthyr Vale weather in augustMerthyr Vale weather in septemberMerthyr Vale weather in octoberMerthyr Vale weather in novemberMerthyr Vale weather in december

Best time to visit Merthyr Vale:

The best time to visit Merthyr Vale during the most sunny months:

  • May — 11.5(h)
  • June — 11.9(h)
  • July — 9.5(h)
  • August — 9.0(h)

Months with the longest average daylight duration in Merthyr Vale:

  • May — 15.6(h)
  • June — 16.6(h)
  • July — 16.1(h)

The largest precipitation sum in Merthyr Vale is at

  • January — 186(mm)
  • March — 214(mm)
  • July — 168(mm)
  • October — 176(mm)
  • December — 223(mm)

    • Weather forecast in the closest to Merthyr Vale admin centers

    Weather forecast in the closest towns to Merthyr Vale

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    Frequently asked questions

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