Longyearbyen weather in May
May in Longyearbyen: freezing, dry, with clean air — a good time to visit.
#5 of 12 months in Longyearbyen · #499 of 604 destinations to visit in May · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Longyearbyen climate normals — May
| Daytime high | -2°C / 29°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -5°C / 23°F | |
| Feels like (high) | -6°C / 21°F | |
| Rainfall | 26 mm / 1 in | ☀️ dry |
| Rainy days | 7 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | -5°C / 22°F | |
| Sunshine | 15.8 h/day | |
| Daylight | 24 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 19.8 cm / 7.8 in | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Longyearbyen in May — FAQ
- Is May a good time to visit Longyearbyen?
- May in Longyearbyen: freezing, dry, with clean air — a good time to visit. It ranks #5 of 12 months for Longyearbyen on SeasonMap's comfort score (66/100).
- What is the weather like in Longyearbyen in May?
- In May, Longyearbyen averages a daily high of -1.8°C and a low of -4.9°C, with about 26.4 mm of rain over roughly 7.2 rainy days.
- What is the air quality in Longyearbyen in May?
- Longyearbyen has a mean US Air Quality Index of about 35 in May.
- Does it snow in Longyearbyen in May?
- Longyearbyen sees roughly 19.8 cm of snowfall in May.