Climate in Lillestrøm: average temperature by month
In Lillestrøm the warmest month is July, with 22.7 °C on average in the afternoon; the coolest is January, with -0.3 °C.
Measured at the weather station Oslo Blindern, 18 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -0.3 °C | -0.7 °C – 0.1 °C |
| February | 0.9 °C | -0.0 °C – 2.7 °C |
| March | 5.3 °C | 3.0 °C – 7.8 °C |
| April | 10.9 °C | 8.0 °C – 13.6 °C |
| May | 16.8 °C | 13.8 °C – 19.6 °C |
| June | 20.9 °C | 19.7 °C – 22.1 °C |
| July | 22.7 °C | 22.2 °C – 23.1 °C |
| August | 20.9 °C | 19.2 °C – 22.4 °C |
| September | 16.4 °C | 13.4 °C – 19.0 °C |
| October | 10.0 °C | 7.3 °C – 13.2 °C |
| November | 4.4 °C | 2.2 °C – 7.1 °C |
| December | 0.9 °C | -0.4 °C – 2.0 °C |