Kelowna weather in May
May in Kelowna: nice, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Kelowna · #157 of 897 destinations to visit in May · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kelowna in May
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Kelowna climate normals — May
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Rainfall | 46 mm / 1.8 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 59% | 🍃 comfortable |
| Dew point | 7°C / 44°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 15.4 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 0.4 cm / 0.2 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kelowna in May — FAQ
- Is May a good time to visit Kelowna?
- May in Kelowna: nice, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Kelowna on SeasonMap's comfort score (90/100).
- What is the weather like in Kelowna in May?
- In May, Kelowna averages a daily high of 21.7°C and a low of 9.7°C, with about 46.1 mm of rain over roughly 9.2 rainy days.
- What is the air quality in Kelowna in May?
- Kelowna has a mean US Air Quality Index of about 42 in May.