ClimateForecastDecemberJanuary >>

Portrush Climate by Month

Temperatures see a moderate degree of fluctuation, transitioning from mild conditions to cold. It is also known for its large amounts of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The climate in Portrush experiences moderate temperature changes, with mild shifts between seasons. Typically, daytime temperatures range from a moderate 17°C in August to a chilly 9°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 5°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Portrush is known for its substantial rainfall, with annual precipitation reaching 1357 mm. Portrush offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between November (151 mm) and May (78 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

For those who appreciate different seasons, Portrush serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.8 hours of sunshine daily, and embrace the darker days in December, offering only 1.3 hours of daily sunlight.

Monthly hours of sunshine

Data from: Derry, Ireland (47 KM, 29 Miles).

Daily hours of sunshine

Data from: Derry, Ireland (47 KM, 29 Miles).

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

Other facts from our historical weather data:
  • Which is the warmest month in Portrush?
    August has an average maximum temperature of 17°C and is the warmest month of the year.
  • Which is the coldest month in Portrush?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Portrush?
    November tops the wettest month list with 151 mm of rainfall.
  • Which is the driest month in Portrush?
    May is the driest month with 78 mm of precipitation.
  • Which is the sunniest month in Portrush?
    May is the sunniest month with an average of 203 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 Portrush

    Tue   Dec 03
    6°C | 0°C
    S 29 km/h
    5.4 mm
    broken clouds and rain

    broken clouds and rain

    Wed   Dec 04
    11°C | 1°C
    S 43 km/h
    3.3 mm
    overcast and rain

    overcast and rain

    Thu   Dec 05
    11°C | 4°C
    W 50 km/h
    7.8 mm
    broken clouds and rain

    broken clouds and rain