Old Kilcullen Weather in January
What's the weather like in Old Kilcullen (Leinster) in January 2026?
The climate in Old Kilcullen during January can be summarized as cool and a little damp.
January is in the winter in Old Kilcullen and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night 2°C (35°F) is normal.
| Daytime temperature | 7.1°C 44.8°F |
|---|---|
| Nightly temperature | 1.5°C 34.7°F |
| Average temperature | 4.3°C 39.7°F |
| Daily sunshine | 2 hrs |
| Avg rainfall | 93 mm 3.7 ins |
| Rainy days | 19 days |
| Sea temperature | 8.9°C 48°F |
| Humidity | 89% |
| Windspeed | 20.9kph 13 mph |
On average January is the 2nd wettest month of the year in Old Kilcullen with around 93mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
January temperatures in Old Kilcullen
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 Old Kilcullen in January 2025.
Other monthly averages
Best places to visit in January
Old Kilcullen weather stats
| Hottest month: | July | 18.8°C 65.8°F |
|---|---|---|
| Driest month: | April | 60mm 2.4ins |
| Sunniest month: | May | 6.2hrs |
| Coldest month: | January | 7°C 44.6°F |
| Wettest month: | December | 102mm 4ins |
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