Climate averages 1991–2020
Tallinn weather
in October.
A cool, moderately wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Tallinn: daytime highs average 8.8°C and nights cool to about 4.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 64 mm of rain on roughly 13 days, which makes October a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 15 min on an average October day.
The nearest other city in this atlas is Helsinki (82 km away). In October its highs average 8.1°C, 0.7°C cooler than Tallinn, with 59 mm of rain.
Among the 2 cities listed in Estonia, Tallinn ranks 1st of 2 for the warmest October highs and 2nd of 2 for the driest October (rainfall, lowest first). The mean October high of those 2 cities is 8.7°C; Tallinn is 0.1°C warmer than that mean.
From October to November, average highs fall by 5.2°C to 3.6°C, and monthly rainfall falls from 64 mm to 51 mm.
The annual picture
October 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 | -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, selected | 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
October in nearby cities
- Helsinki in OctoberFinland · 82 kmHigh 8.1°C · Low 4.4°C · 59 mm rain
- Espoo in OctoberFinland · 86 kmHigh 8.2°C · Low 4.7°C · 59 mm rain
- Vantaa in OctoberFinland · 97 kmHigh 8.1°C · Low 3.7°C · 59 mm rain
- Tartu in OctoberEstonia · 163 kmHigh 8.6°C · Low 4.0°C · 58 mm rain
- Turku in OctoberFinland · 179 kmHigh 8.3°C · Low 3.7°C · 59 mm rain
- Lahti in OctoberFinland · 179 kmHigh 7.0°C · Low 3.0°C · 56 mm rain
- Kouvola in OctoberFinland · 192 kmHigh 7.0°C · Low 2.9°C · 57 mm rain
- Tampere in OctoberFinland · 235 kmHigh 6.6°C · Low 3.4°C · 60 mm rain
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.