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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Belfast's climate page.
Belfast Temperature in January
Min Temperature
-12°C (10°F)
Max Temperature
-1°C (30°F)
Chance of Rain
33%
Precipitation
91 mm (3.6 in)
Rainy days
10 days
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Belfast in January
We recommend you pack up your warm winter gear for Belfast in January. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Belfast in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Belfast's climate page.
See the full Belfast climate overview or explore weather in the United States of America.
