Climate in Tallinn: average temperature by month
In Tallinn the warmest month is July, with 22.0 °C on average in the afternoon; the coolest is January, with -1.2 °C.
Measured at the weather station Tallinn, 10 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -1.2 °C | -1.4 °C – -0.7 °C |
| February | -1.0 °C | -1.7 °C – 0.3 °C |
| March | 3.2 °C | 0.7 °C – 6.1 °C |
| April | 9.1 °C | 6.2 °C – 11.9 °C |
| May | 15.4 °C | 12.1 °C – 18.0 °C |
| June | 19.8 °C | 18.2 °C – 21.2 °C |
| July | 22.0 °C | 21.2 °C – 22.6 °C |
| August | 20.8 °C | 18.8 °C – 22.5 °C |
| September | 16.0 °C | 13.1 °C – 18.6 °C |
| October | 9.7 °C | 6.9 °C – 12.9 °C |
| November | 4.2 °C | 1.7 °C – 6.7 °C |
| December | 0.8 °C | -0.5 °C – 1.6 °C |