Portlaoise Weather in January

In Portlaoise, January brings low daytime temperatures around 9°C (48°F), with nights cooling to 3°C (37°F). Expect quite a bit of rainfall this month.

Rainfall in Portlaoise in January

Typically around 19 days of rainfall are expected, averaging 78 mm (3.1 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Portlaoise in January

If you're visiting Portlaoise in January, expect highs of 9°C (48°F) and overnight lows around 3°C (37°F). During January, you'll experience the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. January often features the most temperate temperatures compared to other months.

January in Portlaoise can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.