Ballymoney Weather & Climate: Best Time to Visit

In Ballymoney, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a moderate 18°C (64°F) in August to a chilly 9°C (48°F) in January.

Nighttime temperatures range from 12°C (54°F) in August to 4°C (39°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Ballymoney experiences significant rainfall throughout the year, averaging 1216 mm (48 in) of precipitation annually. The wettest period in Ballymoney occurs in November, which receives around 120 mm (4.7 in) of precipitation. During the driest month, May, Ballymoney experiences moderate rainfall, totaling 83 mm (3.3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Ballymoney Precipitation page.

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

The average number of days each month with precipitation

In Ballymoney, 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.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

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