Yellowknife weather in May
May in Yellowknife: cool, dry, with clean air — a great time to visit.
#5 of 12 months in Yellowknife · #637 of 897 destinations to visit in May · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Yellowknife in May
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Yellowknife climate normals — May
| Daytime high | 10°C / 51°F | 🙂 cool |
|---|---|---|
| Nighttime low | 1°C / 33°F | |
| Rainfall | 18 mm / 0.7 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 60% | 🍃 comfortable |
| Dew point | 0°C / 33°F | |
| Sunshine | 13.4 h/day | |
| Daylight | 17.9 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 5.6 cm / 2.2 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Yellowknife in May — FAQ
- Is May a good time to visit Yellowknife?
- May in Yellowknife: cool, dry, with clean air — a great time to visit. It ranks #5 of 12 months for Yellowknife on SeasonMap's comfort score (76/100).
- What is the weather like in Yellowknife in May?
- In May, Yellowknife averages a daily high of 10.3°C and a low of 0.7°C, with about 18.2 mm of rain over roughly 3.6 rainy days.
- What is the air quality in Yellowknife in May?
- Yellowknife has a mean US Air Quality Index of about 46 in May.
- Does it snow in Yellowknife in May?
- Yellowknife sees roughly 5.6 cm of snowfall in May.