Reykjavík weather in December
December in Reykjavík: freezing, rainy, with clean air — one of the weakest months to visit.
#11 of 12 months in Reykjavík · #566 of 604 destinations to visit in December · comfort 32/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Reykjavík climate normals — December
| Daytime high | 0°C / 32°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -5°C / 24°F | |
| Feels like (high) | -5°C / 23°F | |
| Rainfall | 93 mm / 3.6 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | -8°C / 17°F | |
| Sunshine | 1.3 h/day | |
| Daylight | 4.4 h | |
| Wind | 22 km/h / 13 mph | |
| Snowfall | 28.7 cm / 11.3 in | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Reykjavík in December — FAQ
- Is December a good time to visit Reykjavík?
- December in Reykjavík: freezing, rainy, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Reykjavík on SeasonMap's comfort score (32/100).
- What is the weather like in Reykjavík in December?
- In December, Reykjavík averages a daily high of -0.2°C and a low of -4.6°C, with about 92.6 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Reykjavík in December?
- Reykjavík has a mean US Air Quality Index of about 37 in December.
- Does it snow in Reykjavík in December?
- Reykjavík sees roughly 28.7 cm of snowfall in December.