Sapporo weather in May
May in Sapporo: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Sapporo · #184 of 604 destinations to visit in May · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Sapporo climate normals — May
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 8°C / 46°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 88 mm / 3.5 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 14.7 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 0.9 cm / 0.4 in | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sapporo in May — FAQ
- Is May a good time to visit Sapporo?
- May in Sapporo: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Sapporo on SeasonMap's comfort score (86/100).
- What is the weather like in Sapporo in May?
- In May, Sapporo averages a daily high of 17.1°C and a low of 7.8°C, with about 88.3 mm of rain over roughly 13.8 rainy days.
- What is the air quality in Sapporo in May?
- Sapporo has a mean US Air Quality Index of about 48 in May.