Climate in Fredrikstad: average temperature by month
In Fredrikstad the warmest month is July, with 20.3 °C on average in the afternoon; the coolest is February, with 1.9 °C.
The average of the weather stations Faerder Fyr (31 km), Oslo Blindern (81 km) and Vanersborg (126 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 2.1 °C | 1.8 °C – 2.3 °C |
| February | 1.9 °C | 1.4 °C – 2.8 °C |
| March | 4.3 °C | 2.9 °C – 6.2 °C |
| April | 8.7 °C | 6.3 °C – 11.2 °C |
| May | 14.2 °C | 11.3 °C – 16.9 °C |
| June | 18.3 °C | 17.0 °C – 19.5 °C |
| July | 20.3 °C | 19.6 °C – 20.8 °C |
| August | 19.4 °C | 18.1 °C – 20.5 °C |
| September | 16.0 °C | 13.8 °C – 18.0 °C |
| October | 11.2 °C | 9.1 °C – 13.6 °C |
| November | 6.6 °C | 4.7 °C – 8.8 °C |
| December | 3.7 °C | 2.4 °C – 4.6 °C |