Carrickfergus Weather & Climate: Best Time to Visit

In Carrickfergus, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a moderate 18°C (64°F) in August to a chilly 9°C (48°F) in the coolest month, February.

Nights vary from 13°C (55°F) in August to around 4°C (39°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Carrickfergus has a notably wet climate with abundant precipitation, recording 1144 mm (45 in) of rainfall per year. Precipitation levels in Carrickfergus remain relatively steady throughout the year. October has the most rain, with 115 mm (4.5 in) over 19 days. In the driest month April, this drops slightly to 77 mm (3 in), making the city's climate fairly predictable. For more details, please visit our Carrickfergus Precipitation page.

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

The average number of days each month with precipitation

For those who appreciate different seasons, Carrickfergus 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

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