Castlebar Weather in March
What's the weather like in Castlebar (Connaught) in March 2025?
The climate in Castlebar during March can be summarized as cool and a little damp.
March is in the spring in Castlebar and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 10°C (49°F), whilst at night 3°C (37°F) is normal.
| Daytime temperature | 9.5°C 49°F |
|---|---|
| Nightly temperature | 2.8°C 37°F |
| Average temperature | 6.1°C 43°F |
| Daily sunshine | 3.3 hrs |
| Avg rainfall | 98 mm 3.8 ins |
| Rainy days | 22 days |
| Sea temperature | 9.5°C 49.1°F |
| Humidity | 85% |
| Windspeed | 22kph 14 mph |
On average March is the 6th wettest month of the year in Castlebar with around 98mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.3 hours of sunshine per day.
March temperatures in Castlebar
March rainfall
March hourly sunshine
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 Castlebar in March 2025.
Other monthly averages
Castlebar weather stats
| Hottest month: | July | 17.6°C 63.7°F |
|---|---|---|
| Driest month: | April | 66mm 2.6ins |
| Sunniest month: | May | 5.9hrs |
| Coldest month: | January | 7.3°C 45.1°F |
| Wettest month: | November | 134mm 5.3ins |
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