Blanchardstown Weather in December

December in Blanchardstown brings low temperatures, with highs of 10°C (50°F) and nights dropping to 4°C (39°F). Rainfall is on the higher side this month, averaging around 77 mm (3 in), so keep a rain jacket handy.

Rainfall in Blanchardstown in December

Historically, approximately 17 days this month are expected to have rain, averaging 77 mm (3 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Blanchardstown in December

December in Blanchardstown brings typical temperatures with highs around 10°C (50°F) and lows of 4°C (39°F). The winter season is characteristic of December. It stays cool throughout the day, so warm layers are a good idea from morning to evening. 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 Blanchardstown in December

The month has fewer sunny days, with around 51 hours of sunshine.

Wind Speed in Blanchardstown 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

At 11°C (52°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

December in Blanchardstown has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.