Belfast Weather in December

Thinking of visiting Belfast in December? Expect low temperatures reaching 2°C (36°F) during the day, dropping to -7°C (19°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Belfast in December

Typically around 15 days of snow/rainfall are expected, averaging 135 mm (5.3 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Belfast in December

Daytime highs in Belfast in December reach 2°C (36°F), with nights around -7°C (19°F). December is in the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. With lows of -7°C (19°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. Expect very cold weather this month, so bundle up in warm clothing. It's essential to be ready for the chill.

December in Belfast 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.