We are so lucky to have a nice guide Louis, he is one of the best guide i have ever met. He took care of everyone in the tour. He spoke slowly to take care of those who dont speak English. He is full of knowledge and info. He is patient and always provide detailed instructions. 👍👍👍
Anonymous User
Family
Belfast Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Belfast year round climate
Spring (March–May): Average 7.4–13.1°C, 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 14.9–16.1°C, 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 8.6–14.3°C, 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 6.1–7.6°C, 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. 11°C / Annual rainfall: approx. 942 mm / Summer humidity: 70%–80% / Rainiest month: October
Belfast monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.1°C
39.8
February
7.6°C
57
March
7.4°C
89.9
April
9.2°C
73.6
May
13.1°C
66.6
June
14.9°C
70.3
July
15.6°C
89.2
August
16.1°C
80.6
September
14.3°C
96.5
October
11.9°C
111.1
November
8.6°C
81.4
December
6.9°C
86.6
Belfast weather for the next seven days
9/11
Friday
Patchy rain nearby
16.1°C/8.2°C
9/12
Saturday
Overcast
18.2°C/11.6°C
9/13
Sunday
Overcast
17.3°C/8.7°C
9/14
Monday
Mist
23.3°C/13.1°C
9/15
Tuesday
Patchy rain nearby
16.7°C/9.9°C
9/16
Wednesday
Patchy rain nearby
14.2°C/9.1°C
9/17
Thursday
Overcast
15.7°C/9.7°C
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