Castleisland Weather in December
What's the weather like in Castleisland (Munster) in December 2024?
The climate in Castleisland during December can be summarized as cool and wet.
December is in the winter in Castleisland and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 8.6°C 47.5°F |
|---|---|
| Nightly temperature | 3.6°C 38.5°F |
| Average temperature | 6.1°C 43°F |
| Daily sunshine | 1.6 hrs |
| Avg rainfall | 160 mm 6.3 ins |
| Rainy days | 23 days |
| Sea temperature | 10.8°C 51.5°F |
| Humidity | 91% |
| Windspeed | 22kph 14 mph |
On average December is the wettest month of the year in Castleisland with around 160mm 6.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.6 hours of sunshine per day.
December temperatures in Castleisland
December rainfall
December 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 Castleisland in December 2024.
Other monthly averages
Best places to visit in December
Castleisland weather stats
| Hottest month: | July | 17.8°C 64°F |
|---|---|---|
| Driest month: | June | 73mm 2.9ins |
| Sunniest month: | May | 6.3hrs |
| Coldest month: | January | 7.7°C 45.9°F |
| Wettest month: | December | 160mm 6.3ins |
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