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Northern Ireland

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Northern Ireland Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Northern Ireland year round climate

  • Spring (March–May): Average 42–53°F, mild but cool at times, with less rainfall. Common activities: Hiking outdoors, exploring the countryside. Recommended clothing: Light jacket, comfortable trousers, warm base layers.
  • Summer (June–August): Average 53–56°F, relatively warm but still mild overall, slightly more rainfall than spring. Common activities: Coastal walks, visiting historical sites, enjoying outdoor picnics. Recommended clothing: Light jacket, long-sleeved shirts, comfortable trousers.
  • Autumn (September–November): Average 49–45°F, temperatures gradually decrease, less rainfall. Common activities: Admiring autumn colours, visiting museums, tasting local cuisine. Recommended clothing: Warm jacket, sweater, trousers.
  • Winter (December–February): Average 43–39°F, cold temperatures, low rainfall. Common activities: Indoor sightseeing, enjoying hot drinks, experiencing local culture. Recommended clothing: Heavy coat, hat, scarf, gloves.

Northern Ireland climatological average

Annual average temperature: approx. 48.4°F / Annual rainfall: approx. 35 mm / Summer humidity: 60%–70% / Rainiest month: August

Northern Ireland monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
39°F
2.5
February
42.6°F
2.8
March
42.4°F
4.1
April
45.5°F
3.7
May
53.6°F
2.6
June
53.2°F
2.1
July
56.1°F
2.8
August
56.3°F
5.3
September
53.1°F
1.4
October
49.6°F
3.3
November
45.3°F
2.1
December
43.3°F
2.8

Northern Ireland weather for the next seven days

6/7
Sunday
Moderate rain
55.7°F/48.3°F
6/8
Monday
Patchy rain nearby
56.2°F/39.4°F
6/9
Tuesday
Patchy rain nearby
55.8°F/41.2°F
6/10
Wednesday
Patchy rain nearby
57°F/40.9°F
6/11
Thursday
Moderate rain
56.5°F/43.3°F
6/12
Friday
Patchy rain nearby
60.8°F/54.1°F
6/13
Saturday
Patchy rain nearby
71.7°F/56.5°F