Mountshannon Weather in December

December in Mountshannon averages 9°C (48°F) during the day and 3°C (37°F) at night. It is the wettest month of the year, with 108 mm (4.3 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Mountshannon in December

As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Typically, you can expect about 20 days of rain this month, with 108 mm (4.3 in) on average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Mountshannon in December

If you're visiting Mountshannon in December, expect highs of 9°C (48°F) and overnight lows around 3°C (37°F). During December, the winter season is in full swing. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. 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.

Sunshine in Mountshannon in December

This month is characterized by fewer sunny days, with about 45 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Mountshannon.