Tallaght Weather in December

Thinking of visiting Tallaght in December? Expect low temperatures reaching 9°C (48°F) during the day, dropping to 4°C (39°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Tallaght in December

Typically around 18 days of rainfall are expected, averaging 79 mm (3.1 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Tallaght in December

Temperatures in Tallaght in December top out at 9°C (48°F) and drop to 4°C (39°F) overnight. During December, you'll experience the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Tallaght in December

This month sees fewer sunny days, with about 51 hours of sunshine, perfect for those who enjoy cooler temperatures.

Wind Speed in Tallaght in December

December sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in December

The water temperature is only 11°C (52°F) this month, cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

December in Tallaght 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.