Weather in Belfast
What's the weather like in Belfast?
Belfast has a moderate climate and moderate rainfall spread across the year. Average daytime highs range from 7°C (45°F) in January to 18°C (65°F) in July, with overnight lows around 3°C (38°F) and 12°C (54°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Belfast are July.
Quick facts
- Country
- 🇬🇧 United Kingdom
- Region
- Europe
- Time zone
- Europe/London
- Coordinates
- 54.597, -5.930
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 7°C / 45°F | 3°C / 38°F | 76 mm | 14 | — |
| February | 8°C / 46°F | 3°C / 38°F | 85 mm | 15 | — |
| March | 9°C / 49°F | 4°C / 38°F | 76 mm | 16 | — |
| April | 11°C / 52°F | 5°C / 41°F | 54 mm | 12 | — |
| May | 14°C / 58°F | 8°C / 46°F | 74 mm | 14 | — |
| June | 17°C / 63°F | 11°C / 51°F | 83 mm | 14 | — |
| July | 18°C / 65°F | 12°C / 54°F | 96 mm | 17 | — |
| August | 18°C / 64°F | 12°C / 54°F | 100 mm | 17 | — |
| September | 16°C / 61°F | 11°C / 51°F | 82 mm | 14 | — |
| October | 13°C / 56°F | 9°C / 47°F | 94 mm | 15 | — |
| November | 10°C / 50°F | 6°C / 42°F | 97 mm | 15 | — |
| December | 8°C / 47°F | 4°C / 40°F | 99 mm | 15 | — |
Belfast by month
Detailed weather for any specific month:
Cities with a similar climate to Belfast
Frequently asked questions
When is the best time to visit Belfast?
The most comfortable months in Belfast are usually June, July, August, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Belfast?
July is typically the hottest month in Belfast, averaging a high of 18°C (65°F).
What is the coldest month in Belfast?
January is usually the coldest, with average lows around 3°C (38°F).
Does it snow in Belfast?
Snow is rare in Belfast; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.