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Belfast

Belfast 1
Travel Info
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Travel Info

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Belfast Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Belfast year round climate

  • Spring (March–May): Average 45–55°F, cool and humid climate with occasional showers. March and April can be rather chilly. Popular activities: Exploring city attractions, visiting museums, walking along Belfast Harbour. Recommended clothing: Warm jacket, comfortable trousers, raincoat or umbrella.
  • Summer (June–August): Average 58–60°F, mild but still humid climate with frequent rainfall. Sunny days are less common. Popular activities: Picnics in city parks, visiting Carrickfergus Castle, exploring the Giant’s Causeway. Recommended clothing: Light jacket, trousers or skirt, comfortable shoes, umbrella.
  • Autumn (September–November): Average 47–57°F, cooler temperatures and increased rainfall, with October being the rainiest month. Variable weather conditions with possible strong winds. Popular activities: Visiting Titanic Belfast, appreciating autumn colours, enjoying local cuisine in cosy pubs. Recommended clothing: Waterproof jacket, warm layers, comfortable shoes.
  • Winter (December–February): Average 42–45°F, cold and humid climate with moderate rainfall. Frost and snow are possible. Popular activities: Indoor visits to museums, art galleries or theatres, enjoying hot drinks. Recommended clothing: Thick coat, warm layers, scarf, gloves and hat.

Belfast climatological average

Annual average temperature: approx. 51.8°F / Annual rainfall: approx. 942 mm / Summer humidity: 70%–80% / Rainiest month: October

Belfast monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43°F
39.8
February
45.7°F
57
March
45.3°F
89.9
April
48.6°F
73.6
May
55.6°F
66.6
June
58.8°F
70.3
July
60.1°F
89.2
August
61°F
80.6
September
57.7°F
96.5
October
53.4°F
111.1
November
47.5°F
81.4
December
44.4°F
86.6

Belfast weather for the next seven days

9/11
Friday
Patchy rain nearby
61°F/46.7°F
9/12
Saturday
Overcast
64.7°F/54°F
9/13
Sunday
Overcast
63.1°F/47.7°F
9/14
Monday
Mist
73.9°F/55.5°F
9/15
Tuesday
Patchy rain nearby
62.1°F/51.3°F
9/16
Wednesday
Cloudy
57.3°F/50.8°F
9/17
Thursday
Overcast
60.2°F/49.5°F

Belfast Frequently Asked Questions and Useful Information for Travel

Can Americans go to Belfast in 2025?

Yes, Americans can travel to Belfast, Northern Ireland. Starting January 8, 2025, they will need to apply for an Electronic Travel Authorisation (ETA) online before their trip. A passport valid for the entire duration of the stay is also mandatory. The ETA is an electronic travel authorization linked to your passport and is valid for two years. Always check the UK government's website for the latest visa and entry requirements.

Is Belfast worth visiting?

Absolutely, Belfast is worth visiting for its rich history, vibrant culture, and proximity to stunning natural landscapes. You can explore historical sites like the Titanic Belfast museum, take a black taxi tour to learn about the city's past and see the political murals, and experience its lively arts and culinary scene.

What is the best month to visit Belfast?

The best time to visit Belfast for pleasant weather is typically during the summer months of July and August. Northern Ireland enjoys a mild, temperate climate with warm summers, comfortable temperatures, and less extreme weather throughout the year.

Is Belfast a safe city for tourists?

Yes, Belfast is generally a safe city for tourists, particularly in the popular tourist areas. Like any major city, it's always wise to be aware of your surroundings and take standard safety precautions.

What are the top attractions in Belfast?

Key attractions in Belfast include Titanic Belfast, a world-class museum dedicated to the iconic ship; the Ulster Museum, offering diverse collections of art, history, and natural science; and the Crumlin Road Gaol, a historic former prison offering fascinating tours. Don't miss a black taxi tour to explore the city's political murals and history.