Ballymena Weather and Climate: A Comprehensive Guide
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 maximum day and minimum night temperature
In Ballymena, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a pleasant 19°C in July to a chilly 9°C in the coolest month, February.
Nights are cooler, with lows often dropping to around 3°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
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. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year ranges from 7°C in February to 13°C in August.
Water temperature over the year
Average humidity
The city experiences its highest humidity in September, reaching 91%. In February, the humidity drops to its lowest level at 86%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The average wind speed over the year ranges from 4 m/s to 5 m/s. It is lower in April, May, June, July, August and September and higher in January, February, March, October, November and December.
The mean monthly wind speed over the year (meters per second)
broken clouds and rain overcast and no rain overcast and rainForecast for Ballymena
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Ballymena in the United Kingdom
Other facts from our historical weather data:July has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
August tops the wettest month list with 98 mm of rainfall.
March is the driest month with 73 mm of precipitation.
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.