ClimateForecastDecemberJanuary >>

Ballymena Climate by Month

The temperature in Ballymena varies moderately throughout the year. The temperatures shift from pleasant to cold. It is also known for its large amounts of rainfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Ballymena, seasonal changes bring about a moderate variation in temperatures. Typically, daytime temperatures range from a pleasant 19°C in July to a chilly 9°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 3°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Ballymena has a relatively rainy climate with high precipitation levels, averaging 1045 mm of rainfall annually. Precipitation levels in Ballymena remain relatively steady throughout the year. August has the most rain, with 98 mm over 19 days. In March, this drops slightly to 73 mm, making the city's climate fairly predictable.

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

Sunshine over the year

For those who appreciate different seasons, Ballymena serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.1 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: Belfast, Ireland (24 KM, 15 Miles).

Daily hours of sunshine

Data from: Belfast, Ireland (24 KM, 15 Miles).

Average water temperature

The mean water temperature over the year in Ballymena ranges from 7°C in February to 13°C in August.

Water temperature over the year

Data from: Belfast, Ireland (24 KM, 15 Miles).

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

Other facts from our historical weather data:
  • Which is the warmest month in Ballymena?
    July has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Ballymena?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Ballymena?
    August tops the wettest month list with 98 mm of rainfall.
  • Which is the driest month in Ballymena?
    March is the driest month with 73 mm of precipitation.
  • Which is the sunniest month in Ballymena?
    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 Ballymena

    Thu   Dec 12
    5°C | 1°C
    SE 7 km/h
    broken clouds and no rain

    broken clouds and no rain

    Fri   Dec 13
    5°C | 1°C
    SW 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Dec 14
    9°C | 2°C
    W 11 km/h
    1.3 mm
    broken clouds and  chance of slight rain

    broken clouds and chance of slight rain