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Dolgellau Climate by Month

The temperature in Dolgellau can vary quite a bit throughout the year. Temperatures can be pleasant during the warmest months, and cold during the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Dolgellau can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 19°C in July to a chilly 8°C in February. Nighttime temperatures can drop, with averages reaching 3°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Dolgellau is known for its substantial rain/snowfall, with annual precipitation reaching 1353 mm. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 151 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, April, still receives a respectable 88 mm of rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Dolgellau, summer days are longer and more sunny, with daily sunshine hours peaking at 5.6 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 0.9 hours.

Monthly hours of sunshine

Data from: Bala, the United Kingdom (26 KM, 16 Miles).

Daily hours of sunshine

Data from: Bala, the United Kingdom (26 KM, 16 Miles).

The best time of year to visit Dolgellau in the United Kingdom

Other facts from our historical weather data:
  • Which is the warmest month in Dolgellau?
    July has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Dolgellau?
    The coldest month is February with an average maximum temperature of 8°C.
  • Which is the wettest month in Dolgellau?
    December tops the wettest month list with 151 mm of rainfall.
  • Which is the driest month in Dolgellau?
    April is the driest month with 88 mm of precipitation.
  • Which is the sunniest month in Dolgellau?
    May is the sunniest month with an average of 169 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Dolgellau

    Tue   Dec 03
    6°C | 1°C
    E 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Wed   Dec 04
    12°C | 4°C
    S 18 km/h
    10 mm
    overcast and rain

    overcast and rain

    Thu   Dec 05
    13°C | 7°C
    W 32 km/h
    29 mm
    broken clouds and rain

    broken clouds and rain