Tallinn, Harjumaa, Estonia climate
Average temperatures, precipitation and all-time records for Tallinn, Harjumaa, Estonia, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 21°C, and its coldest is February, with an average low of -7°C.
Tallinn is the capital and most populous city of Estonia. Located on a bay in northern Estonia, on the shore of the Gulf of Finland of the Baltic Sea, it has a population of 452,563 as of 2026 and administratively lies in Harju County. via Wikipedia
Tallinn average temperatures by month
Typical daily high and low, and average precipitation, for each month in Tallinn, Harjumaa, Estonia, based on 1980–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | -1°C | -5°C | 3 mm |
| February | -2°C | -7°C | 3 mm |
| March | 2°C | -4°C | 0 mm |
| April | 7°C | 1°C | 0 mm |
| May | 13°C | 5°C | 3 mm |
| June | 17°C | 10°C | 3 mm |
| July | 21°C | 14°C | 3 mm |
| August | 20°C | 13°C | 3 mm |
| September | 15°C | 10°C | 3 mm |
| October | 9°C | 5°C | 3 mm |
| November | 4°C | 1°C | 3 mm |
| December | 1°C | -3°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 30°C on 1992-08-11
- Coldest day on record: -29°C on 1987-01-10
Percentiles compare each day to Tallinn, Harjumaa, Estonia's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →