Belfast weather in March
March in Belfast: cold, a little rain, with clean air — a great time to visit.
#8 of 12 months in Belfast · #644 of 897 destinations to visit in March · comfort 70/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Belfast in March
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Belfast climate normals — March
| Daytime high | 10°C / 49°F | 🧥 cold |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Rainfall | 71 mm / 2.8 in | 🌦 some rain |
| Rainy days | 14 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 4°C / 39°F | |
| Sunshine | 6.7 h/day | |
| Daylight | 11.9 h | |
| Wind | 23 km/h / 14 mph | |
| Snowfall | 2 cm / 0.8 in | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Belfast in March — FAQ
- Is March a good time to visit Belfast?
- March in Belfast: cold, a little rain, with clean air — a great time to visit. It ranks #8 of 12 months for Belfast on SeasonMap's comfort score (70/100).
- What is the weather like in Belfast in March?
- In March, Belfast averages a daily high of 9.5°C and a low of 4.9°C, with about 70.6 mm of rain over roughly 14.2 rainy days.
- What is the air quality in Belfast in March?
- Belfast has a mean US Air Quality Index of about 36 in March.
- Does it snow in Belfast in March?
- Belfast sees roughly 2 cm of snowfall in March.