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Conwy Climate by Month

The temperature in Conwy can vary greatly throughout the year. The temperatures shift from pleasant to cold. It also experiences much rainfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Depending on the time of the year, temperatures range from pleasant to chilly in Conwy. Average daytime temperatures reach a pleasant 20°C in July. In February, the coolest month of the year, temperatures drop to a chilly 9°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

Conwy has a relatively rainy climate with high precipitation levels, averaging 1078 mm of rainfall annually. Despite minor fluctuations, Conwy enjoys fairly consistent precipitation throughout the year. In December, you can expect around 107 mm of precipitation, while in May, Conwy receives about 77 mm.

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

Sunshine over the year

Conwy 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 (43 KM, 27 Miles).

Daily hours of sunshine

Data from: Bala, the United Kingdom (43 KM, 27 Miles).

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

Other facts from our historical weather data:
  • Which is the warmest month in Conwy?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Conwy?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Conwy?
    December tops the wettest month list with 107 mm of rainfall.
  • Which is the driest month in Conwy?
    May is the driest month with 77 mm of precipitation.
  • Which is the sunniest month in Conwy?
    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 Conwy

    Sun   Dec 15
    14°C | 11°C
    SW 32 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Mon   Dec 16
    12°C | 9°C
    SW 29 km/h
    0.4 mm
    broken clouds and small chance of slight rain

    broken clouds and small chance of slight rain

    Tue   Dec 17
    14°C | 9°C
    S 36 km/h
    14 mm
    overcast and heavy rain

    overcast and heavy rain