The climate in Dublin during May can be summarized as mild and very dry.
May is in the spring in Dublin and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 9°C (48°F) is normal.
Daytime temperature | 22.9°C 73.2°F |
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Nightly temperature | 9.1°C 48.4°F |
Average temperature | 16°C 60.8°F |
Daily sunshine | 12.2 hrs |
Avg rainfall | 10 mm 0.4 ins |
Rainy days | 2 days |
Sea temperature | 12.1°C 53.8°F |
Humidity | 64% |
Windspeed | 19.1kph 12 mph |
On average May is the 5th driest month of the year in Dublin with around 10mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 12.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Dublin in May 2025.
Hottest month: | July | 28.5°C 83.3°F |
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Driest month: | July | 2mm 0.1ins |
Sunniest month: | April | 11.3hrs |
Coldest month: | January | 12.9°C 55.2°F |
Wettest month: | January | 96mm 3.8ins |