Letterkenny Weather in January
What's the weather like in Letterkenny (Ulster) in January 2024?
The climate in Letterkenny during January can be summarized as cool and wet.
January is in the winter in Letterkenny and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 1°C (34°F) is normal.
| Daytime temperature | 6.5°C 43.7°F |
|---|---|
| Nightly temperature | 1.1°C 34°F |
| Average temperature | 3.8°C 38.8°F |
| Daily sunshine | 1.6 hrs |
| Avg rainfall | 137 mm 5.4 ins |
| Rainy days | 24 days |
| Sea temperature | 9.4°C 48.9°F |
| Humidity | 91% |
| Windspeed | 27kph 17 mph |
On average January is the 3rd wettest month of the year in Letterkenny with around 137mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.6 hours of sunshine per day.
January temperatures in Letterkenny
January rainfall
January 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 Letterkenny in January 2024.
Other monthly averages
Best places to visit in January
Letterkenny weather stats
| Hottest month: | July | 16.8°C 62.2°F |
|---|---|---|
| Driest month: | April | 74mm 2.9ins |
| Sunniest month: | April | 5.3hrs |
| Coldest month: | January | 6.4°C 43.5°F |
| Wettest month: | December | 141mm 5.6ins |
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