Longyearbyen weather in August
August in Longyearbyen: cold, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Longyearbyen · #193 of 604 destinations to visit in August · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Longyearbyen climate normals — August
| Daytime high | 8°C / 46°F | 🧥 cold |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Feels like (high) | 5°C / 41°F | |
| Rainfall | 59 mm / 2.3 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 8 h/day | |
| Daylight | 23.2 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 3.9 cm / 1.5 in | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Longyearbyen in August — FAQ
- Is August a good time to visit Longyearbyen?
- August in Longyearbyen: cold, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Longyearbyen on SeasonMap's comfort score (85/100).
- What is the weather like in Longyearbyen in August?
- In August, Longyearbyen averages a daily high of 7.8°C and a low of 5°C, with about 59.1 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Longyearbyen in August?
- Longyearbyen has a mean US Air Quality Index of about 23 in August.
- Does it snow in Longyearbyen in August?
- Longyearbyen sees roughly 3.9 cm of snowfall in August.