Graiguenamanagh Weather & Climate: Best Time to Visit

The weather in Graiguenamanagh changes moderately throughout the year, offering enough variation to appreciate each season. Average maximum daytime temperatures range from a pleasant 20°C (68°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like February.

At night, you can expect temperatures ranging from 12°C (54°F) in July to around 3°C (37°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Graiguenamanagh experiences moderate precipitation patterns, averaging 927 mm (36 in) yearly. Year-round, Graiguenamanagh has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 90 mm (3.5 in), and the driest month, March, with 65 mm (2.6 in), is minimal. For more details, please visit our Graiguenamanagh Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Graiguenamanagh. While May receives considerable daily sunshine with up to 7.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 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 relative humidity is high throughout the year in Graiguenamanagh.

The city experiences its highest humidity in December, reaching 82%. In April, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year