Letterfrack Weather & Climate: Best Time to Visit

In Letterfrack, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a moderate 18°C (64°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 13°C (55°F) in August to 5°C (41°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Letterfrack has a notably wet climate with abundant precipitation, recording 1489 mm (59 in) of rainfall per year. Letterfrack experiences moderate seasonal variation in rainfall, with monthly averages ranging from 159 mm (6.3 in) in December, the wettest month, and 95 mm (3.7 in) in April, the driest month. For more details, please visit our Letterfrack Precipitation page.

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

The average number of days each month with precipitation

Letterfrack can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 5.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.2 hours of sunlight per 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 January, reaching 90%. In May, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year