Climate averages 1991–2020
Tallinn weather
in January.
A freezing month with moderate precipitation: the 11th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a freezing month in Tallinn: daytime highs average -1.5°C and nights cool to about -5.4°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 43 mm of precipitation on roughly 11 days, which makes January a month with moderate precipitation (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 6 h 56 min on an average January day.
The nearest other city in this atlas is Helsinki (82 km away). In January its highs average -2.1°C, 0.6°C cooler than Tallinn, with 48 mm of precipitation.
Among the 2 cities listed in Estonia, Tallinn ranks 1st of 2 for the warmest January highs and 2nd of 2 for the driest January (precipitation, lowest first). The mean January high of those 2 cities is -1.9°C; Tallinn is 0.3°C warmer than that mean.
From January to February, average highs fall by 0.4°C to -1.9°C, and monthly precipitation falls from 43 mm to 35 mm.
The annual picture
January in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tallinn climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | -1.5°C-5.4°C | -5.4°C | 43 | 10.7 | 6.97 h |
| February | -1.9°C-6.4°C | -6.4°C | 35 | 9.3 | 9.29 h |
| March | 1.9°C-3.8°C | -3.8°C | 33 | 8.4 | 11.812 h |
| April | 8.7°C0.9°C | 0.9°C | 36 | 8.6 | 14.514 h |
| May | 14.6°C6.1°C | 6.1°C | 41 | 8.6 | 17.017 h |
| June | 18.6°C11.0°C | 11.0°C | 70 | 11.3 | 18.519 h |
| July | 21.5°C14.5°C | 14.5°C | 68 | 11.8 | 17.818 h |
| August | 20.3°C13.8°C | 13.8°C | 77 | 12.9 | 15.616 h |
| September | 15.3°C9.9°C | 9.9°C | 60 | 11.7 | 12.913 h |
| October | 8.8°C4.7°C | 4.7°C | 64 | 12.5 | 10.310 h |
| November | 3.6°C0.5°C | 0.5°C | 51 | 11.0 | 7.78 h |
| December | 0.5°C-2.9°C | -2.9°C | 48 | 11.2 | 6.26 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Helsinki in JanuaryFinland · 82 kmHigh -2.1°C · Low -6.0°C · 48 mm precipitation
- Espoo in JanuaryFinland · 86 kmHigh -1.9°C · Low -5.8°C · 50 mm precipitation
- Vantaa in JanuaryFinland · 97 kmHigh -2.3°C · Low -6.7°C · 48 mm precipitation
- Tartu in JanuaryEstonia · 163 kmHigh -2.2°C · Low -6.3°C · 40 mm precipitation
- Turku in JanuaryFinland · 179 kmHigh -1.5°C · Low -6.0°C · 49 mm precipitation
- Lahti in JanuaryFinland · 179 kmHigh -3.6°C · Low -8.0°C · 41 mm precipitation
- Kouvola in JanuaryFinland · 192 kmHigh -3.8°C · Low -8.3°C · 44 mm precipitation
- Tampere in JanuaryFinland · 235 kmHigh -3.6°C · Low -7.4°C · 39 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tallinn) is explained once on the Tallinn year overview and on the Sources, method and limits page.