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Harlech Climate by Month

The weather in Harlech sees moderate temperature fluctuations over the course of a year. Temperatures can be pleasant at the high end to roughly cold at the low end. It also experiences much rainfall throughout the year. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The weather in Harlech changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a pleasant 19°C in July. In February, the coolest month of the year, temperatures drop to a chilly 8°C. At night, expect cooler temperatures, averaging 3°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Harlech experiences significant rainfall throughout the year, averaging 1498 mm of precipitation annually. Harlech experiences moderate seasonal variation in rainfall, with monthly averages ranging from 169 mm in December, the wettest month, and 93 mm in April, the driest month.

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

Sunshine over the year

Harlech can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 5.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 0.9 hours of sunlight per day.

Monthly hours of sunshine

Data from: Bala, the United Kingdom (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Bala, the United Kingdom (34 KM, 21 Miles).

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

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Harlech?
    Most rainfall (rainy season) is seen in November and December.
  • Which is the warmest month in Harlech?
    July has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Harlech?
    The coldest month is February with an average maximum temperature of 8°C.
  • Which is the wettest month in Harlech?
    December tops the wettest month list with 169 mm of rainfall.
  • Which is the driest month in Harlech?
    April is the driest month with 93 mm of precipitation.
  • Which is the sunniest month in Harlech?
    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 Harlech

    Wed   Dec 11
    6°C | 3°C
    E 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Thu   Dec 12
    7°C | 2°C
    NE 11 km/h
    broken clouds and no rain

    broken clouds and no rain

    Fri   Dec 13
    9°C | 5°C
    E 11 km/h
    overcast and no rain

    overcast and no rain