Portlaoise Weather in December

December in Portlaoise brings low temperatures, with highs of 9°C (48°F) and nights dropping to 3°C (37°F). Rainfall is on the higher side this month, averaging around 85 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Portlaoise in December

Historically, the month has about 18 days of rain, averaging 85 mm (3.3 in) in total. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Portlaoise in December

In December, Portlaoise gets low temperatures, with highs of 9°C (48°F). Nights cool to around 3°C (37°F). Experience the winter season in December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

December 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.