Portmarnock Weather in March
What's the weather like in Portmarnock (Leinster) in March 2024?
The climate in Portmarnock during March can be summarized as cool and reasonably dry.
March is in the spring in Portmarnock 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 | 3°C 37.3°F |
| Average temperature | 6.2°C 43.2°F |
| Daily sunshine | 3.9 hrs |
| Avg rainfall | 64 mm 2.5 ins |
| Rainy days | 16 days |
| Sea temperature | 7.7°C 45.9°F |
| Humidity | 82% |
| Windspeed | 22kph 14 mph |
On average March is the 5th driest month of the year in Portmarnock with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.9 hours of sunshine per day.
March temperatures in Portmarnock
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 Portmarnock in March 2024.
Other monthly averages
Portmarnock weather stats
| Hottest month: | July | 18.8°C 65.8°F |
|---|---|---|
| Driest month: | April | 55mm 2.2ins |
| Sunniest month: | May | 6.6hrs |
| Coldest month: | February | 7.4°C 45.3°F |
| Wettest month: | December | 94mm 3.7ins |
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