Tallinn weather in December
Tallinn in December averages -1°C (30°F), 57 mm of rain and 0.7 hours of sun a day.
Of the twelve months in Tallinn, December is the third coldest, the sixth wettest and the dullest.

- Average temp
- -1°C (30°F)
-3–1°C · 26–34°F
- Rainfall
- 57 mm
Showers likely
- Sunshine
- 0.7 h
hours per day
What is Tallinn like in December?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Tallinn in December?
A light rain jacket
About 57 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around -3°C (26°F).
December compared with November and January
December in Tallinn is 3.1°C cooler than November and about as wet as it, which averages 2°C (35°F).
December in Tallinn is 2°C warmer than January and about as wet as it, which averages -3°C (26°F).
Daylight in Tallinn in December
On 15 December the sun is up for 6 hours 6 minutes in Tallinn, rising about 09:13 and setting about 15:19 local time.
December ends 25 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
No month in Tallinn has less daylight than December.
Where to stay in Tallinn
Dates are a starting point for December.

Travel guides for Tallinn
What to read before you book.
Tallinn weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -3°C / 26°F | 56 mm |
| February | -4°C / 25°F | 40 mm |
| March | -1°C / 31°F | 38 mm |
| April | 5°C / 41°F | 34 mm |
| May | 10°C / 50°F | 38 mm |
| June | 15°C / 58°F | 66 mm |
| July | 18°C / 64°F | 82 mm |
| August | 17°C / 62°F | 80 mm |
| September | 12°C / 54°F | 57 mm |
| October | 7°C / 44°F | 83 mm |
| November | 2°C / 35°F | 64 mm |
| December | -1°C / 30°F | 57 mm |
Check another month
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FAQs about Tallinn in December
December climate averages for Tallinn, 1991–2020.
Tallinn averages -1°C (30°F) in December, ranging from about -3°C (26°F) at night to 1°C (34°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 57 mm falls across December, enough to need a light jacket but not enough to reshape a trip.
Yes. December averages -1°C (30°F) against -3°C (26°F) in January — 2°C warmer.
December is 3.1°C cooler than November, and about as wet.
It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 0.7 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 6 hours 6 minutes of daylight in mid-December, the least of any month in Tallinn.
On 15 December, sunrise is about 09:13 and sunset about 15:19 local time. Both shift across the month — the month ends 25 minutes shorter than it starts.

