Longyearbyen weather in October
October in Longyearbyen: freezing, dry, with clean air — a hit-or-miss time to visit.
#7 of 12 months in Longyearbyen · #596 of 604 destinations to visit in October · comfort 47/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Longyearbyen climate normals — October
| Daytime high | -3°C / 26°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -7°C / 20°F | |
| Feels like (high) | -7°C / 19°F | |
| Rainfall | 20 mm / 0.8 in | ☀️ dry |
| Rainy days | 6 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | -6°C / 20°F | |
| Sunshine | 0.6 h/day | |
| Daylight | 5.6 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 17.5 cm / 6.9 in | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Longyearbyen in October — FAQ
- Is October a good time to visit Longyearbyen?
- October in Longyearbyen: freezing, dry, with clean air — a hit-or-miss time to visit. It ranks #7 of 12 months for Longyearbyen on SeasonMap's comfort score (47/100).
- What is the weather like in Longyearbyen in October?
- In October, Longyearbyen averages a daily high of -3.1°C and a low of -6.7°C, with about 19.9 mm of rain over roughly 5.6 rainy days.
- What is the air quality in Longyearbyen in October?
- Longyearbyen has a mean US Air Quality Index of about 28 in October.
- Does it snow in Longyearbyen in October?
- Longyearbyen sees roughly 17.5 cm of snowfall in October.