Climate in Skien: average temperature by month
In Skien the warmest month is July, with 20.4 °C on average in the afternoon; the coolest is February, with 1.9 °C.
The average of the weather stations Faerder Fyr (56 km), Oslo Blindern (103 km) and Oksoey Fyr (156 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 1.9 °C | 1.7 °C – 2.2 °C |
| February | 1.9 °C | 1.4 °C – 2.9 °C |
| March | 4.5 °C | 3.0 °C – 6.3 °C |
| April | 8.9 °C | 6.4 °C – 11.3 °C |
| May | 14.3 °C | 11.4 °C – 17.0 °C |
| June | 18.4 °C | 17.1 °C – 19.6 °C |
| July | 20.4 °C | 19.7 °C – 20.9 °C |
| August | 19.5 °C | 18.2 °C – 20.5 °C |
| September | 16.0 °C | 13.7 °C – 18.1 °C |
| October | 11.1 °C | 9.0 °C – 13.5 °C |
| November | 6.5 °C | 4.6 °C – 8.8 °C |
| December | 3.5 °C | 2.2 °C – 4.5 °C |