Dublin (CA) Weather & Climate: Best Time to Visit

In Dublin, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°F) in July to a moderate 14°C (57°F) in January.

Nighttime temperatures range from 14°C (57°F) in July to 4°C (39°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Dublin's climate is marked by below-average rainfall, accumulating 467 mm (18 in) of precipitation yearly. The seasons in Dublin bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 102 mm (4 in) of precipitation. This rainfall is distributed across 13 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 0 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Dublin Precipitation page.

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

The average number of days each month with precipitation

In Dublin, summer days are longer and more sunny, with daily sunshine hours peaking at 10.8 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.3 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 relative humidity is high throughout the year in Dublin.

The city experiences its highest humidity in January, reaching 80%. In June, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year