Estonia
Tallinn in December: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Tallinn in December is climatically mixed. The average daily high is around 0 °C, and the sea is about 5 °C. With about 15 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
15/100 · #12
Warmth
#10
Dryness
#11
Sun
#12
Sea warmth
#8
Published best categories: none
Tallinn · DecemberPhoto: Jorge Láscar · CC BY 2.0Climate facts
- Average high
- 0 °C
- Average low
- -3 °C
- Sea
- 5 °C
- Rainy days (est.)
- 15 rainy days (est.)
- Sun (est.)
- 0 h/day
- Humidity
- 93 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 4 | 1 | 15 | 69 | 0.5 | 91 | 5.8 | 7 | 16 |
| December (selected) | 0 | -3 | 15 | 59 | 0.2 | 93 | 6.0 | 5 | 15 |
| January | -2 | -6 | 14 | 57 | 0.4 | 94 | 5.8 | 2 | 17 |
How do the previous and next months compare?
Baseline: December (15/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | +1 | +3.4 °C | +3.8 °C | +0.2 | +10 mm | +0.3 h | -2 % | -0.1 m/s | +2.9 °C |
| January | +2 | -2 °C | -2.4 °C | -1.2 | -1.6 mm | +0.2 h | +0.7 % | -0.2 m/s | -2.2 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Tallinn in December?
The average daily high is around 0 °C, with an average daily low of about -3 °C.
Can you swim in Tallinn in December?
The sea is about 5 °C (cold).
Does it rain a lot in Tallinn in December?
The curated estimate is about 15 rainy days per month, not a directly measured long-term average. Total precipitation averages around 59 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Tallinn?
By the climate score, July are the strongest months for Tallinn. December is not among them.