Belfast Weather in January

January in Belfast brings very low temperatures, with highs of -1°C (30°F) and nights dropping to -12°C (10°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in Belfast in January

January is the month with the least rainfall. Whether you're keen on hiking, city exploring, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans, even if it's not the warmest time of year. Historically, approximately 10 days this month are expected to have snow, averaging 91 mm (3.6 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Belfast in January

If you're visiting Belfast in January, expect highs of -1°C (30°F) and overnight lows around -12°C (10°F). The month of January belongs to the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. With overnight lows of -12°C (10°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.

January 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.