Tallinn weather in December
December in Tallinn: freezing, a little rain, with clean air — one of the weakest months to visit.
#12 of 12 months in Tallinn · #570 of 604 destinations to visit in December · comfort 31/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Tallinn climate normals — December
| Daytime high | 0°C / 32°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -3°C / 26°F | |
| Feels like (high) | -5°C / 23°F | |
| Rainfall | 49 mm / 1.9 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | -5°C / 24°F | |
| Sunshine | 0.9 h/day | |
| Daylight | 6.2 h | |
| Wind | 23 km/h / 14 mph | |
| Snowfall | 20.5 cm / 8.1 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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Tallinn in December — FAQ
- Is December a good time to visit Tallinn?
- December in Tallinn: freezing, a little rain, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Tallinn on SeasonMap's comfort score (31/100).
- What is the weather like in Tallinn in December?
- In December, Tallinn averages a daily high of 0°C and a low of -3.4°C, with about 49 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Tallinn in December?
- Tallinn has a mean US Air Quality Index of about 28 in December.
- Does it snow in Tallinn in December?
- Tallinn sees roughly 20.5 cm of snowfall in December.