Ballycastle Weather and Climate: A Comprehensive Guide
The weather in Ballycastle sees moderate temperature fluctuations over the course of a year.
Temperatures can be mild at the high end
to roughly cold at the low end.
It is also known for its large amounts of rainfall.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
The weather in Ballycastle changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a moderate 18°C in August to a chilly 10°C in the coolest month, February.
Nights are cooler, with lows often dropping to around 5°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Ballycastle experiences significant rainfall throughout the year, averaging 1479 mm of precipitation annually. Precipitation levels in Ballycastle remain relatively steady throughout the year. November has the most rain, with 155 mm over 24 days. In May, this drops slightly to 98 mm, making the city's climate fairly predictable.
The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Ballycastle serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.4 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
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Ballycastle.
The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Ballycastle
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Ballycastle in Ireland
Other facts from our historical weather data:Most rainfall (rainy season) is seen in November and December.
August has an average maximum temperature of 18°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 10°C.
November tops the wettest month list with 155 mm of rainfall.
May is the driest month with 98 mm of precipitation.
May is the sunniest month with an average of 193 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.
