The climate in Belfast during March can be summarized as mild and reasonably dry.
March is in the fall / autumn in Belfast and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 11°C (52°F) is normal.
Daytime temperature | 22.7°C 72.8°F |
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Nightly temperature | 11.4°C 52.4°F |
Average temperature | 17°C 62.6°F |
Daily sunshine | 7.8 hrs |
Avg rainfall | 79 mm 3.1 ins |
Rainy days | 9 days |
Sea temperature | 25.8°C 78.4°F |
Humidity | 70% |
Windspeed | 7.2kph 5 mph |
On average March is the 6th wettest month of the year in Belfast with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 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 Belfast in March 2025.
Hottest month: | January | 23.5°C 74.3°F |
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Driest month: | July | 5mm 0.2ins |
Sunniest month: | July | 9.8hrs |
Coldest month: | June | 15.7°C 60.3°F |
Wettest month: | January | 162mm 6.4ins |