ClimateForecastDecemberJanuary >>

Ballycastle Climate by Month

The temperature in Ballycastle varies moderately throughout the year. The temperatures shift from mild to cold. It also has a relatively rainy climate with high levels of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Ballycastle experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a moderate 17°C in August to a chilly 9°C in February. Nighttime temperatures can drop, with averages reaching 5°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Ballycastle has a relatively rainy climate with high precipitation levels, averaging 1345 mm of rainfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, November, sees around 155 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, May, still receives a respectable 74 mm of rainfall.

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

Sunshine over the year

In Ballycastle, summer days are longer and more sunny, with daily sunshine hours peaking at 6.1 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per average day.

Monthly hours of sunshine

Data from: Belfast, Ireland (61 KM, 38 Miles).

Daily hours of sunshine

Data from: Belfast, Ireland (61 KM, 38 Miles).

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

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Ballycastle?
    Most rainfall (rainy season) is seen in November and December.
  • Which is the warmest month in Ballycastle?
    August has an average maximum temperature of 17°C and is the warmest month of the year.
  • Which is the coldest month in Ballycastle?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Ballycastle?
    November tops the wettest month list with 155 mm of rainfall.
  • Which is the driest month in Ballycastle?
    May is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in Ballycastle?
    May is the sunniest month with an average of 184 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 Ballycastle

    Sat   Dec 14
    10°C | 4°C
    SW 29 km/h
    3.4 mm
    overcast and rain

    overcast and rain

    Sun   Dec 15
    12°C | 8°C
    W 36 km/h
    0.7 mm
    overcast and  chance of slight rain

    overcast and chance of slight rain

    Mon   Dec 16
    11°C | 6°C
    SW 32 km/h
    0.7 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain