Belfast
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Belfast Weather in January

January in Belfast typically sees daytime highs of 31°C (88°F) and nighttime lows of 21°C (70°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Belfast in January

With this being the rainiest month, having an umbrella is essential to avoid unexpected rain. Records from the past 30 years suggest around 9 days of rain, with 126 mm (5 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Belfast in January

Daytime highs in Belfast in January reach 31°C (88°F), with nights around 21°C (70°F). For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Belfast. Our weather planner can help you explore destinations with more pleasant weather conditions.

Belfast Temperature in January

Min Temperature
21°C (70°F)
Max Temperature
31°C (88°F)
Chance of Rain
31%
Precipitation
126 mm (5 in)
Rainy days
9 days

Belfast Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Belfast - and find the best time to visit.

Best Places in South Africa in January

Find out more about the weather in South Africa and which places have the best travel conditions in this month. See all of South Africa in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Belfast in January

Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). 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.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Belfast 3-Day Forecast

More climate data for Belfast

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.