Climate in Kostroma: average temperature by month
In Kostroma the warmest month is July, with 24.2 °C on average in the afternoon; the coolest is January, with -6.1 °C.
Measured at the weather station Kostroma, 6 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -6.1 °C | -6.4 °C – -5.8 °C |
| February | -5.2 °C | -6.4 °C – -2.7 °C |
| March | 1.5 °C | -2.1 °C – 5.3 °C |
| April | 10.3 °C | 5.6 °C – 14.3 °C |
| May | 17.8 °C | 14.6 °C – 20.3 °C |
| June | 22.1 °C | 20.4 °C – 23.3 °C |
| July | 24.2 °C | 23.5 °C – 24.6 °C |
| August | 22.1 °C | 19.4 °C – 24.2 °C |
| September | 16.0 °C | 12.4 °C – 19.2 °C |
| October | 7.9 °C | 4.0 °C – 12.1 °C |
| November | 0.4 °C | -2.8 °C – 3.7 °C |
| December | -4.1 °C | -5.5 °C – -2.9 °C |