Winnipeg weather in May
May in Winnipeg: nice, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Winnipeg · #520 of 897 destinations to visit in May · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Winnipeg in May
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Winnipeg climate normals — May
| Daytime high | 18°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 6°C / 43°F | |
| Rainfall | 58 mm / 2.3 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 11 h/day | |
| Daylight | 15.4 h | |
| Wind | 23 km/h / 14 mph | |
| Snowfall | 0.7 cm / 0.3 in | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Winnipeg in May — FAQ
- Is May a good time to visit Winnipeg?
- May in Winnipeg: nice, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Winnipeg on SeasonMap's comfort score (81/100).
- What is the weather like in Winnipeg in May?
- In May, Winnipeg averages a daily high of 18.4°C and a low of 6.2°C, with about 58.1 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Winnipeg in May?
- Winnipeg has a mean US Air Quality Index of about 45 in May.