Climate in Herne: average temperature by month
In Herne the warmest month is July, with 20.8 °C on average in the afternoon; the coolest is January, with 3.0 °C.
The average of the weather stations Altastenberg (95 km), Maastricht (124 km) and De Bilt (154 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 3.0 °C | 2.7 °C – 3.4 °C |
| February | 4.1 °C | 3.3 °C – 5.4 °C |
| March | 7.6 °C | 5.6 °C – 9.5 °C |
| April | 11.6 °C | 9.6 °C – 13.6 °C |
| May | 16.0 °C | 13.7 °C – 18.0 °C |
| June | 19.3 °C | 18.1 °C – 20.4 °C |
| July | 20.8 °C | 20.1 °C – 21.4 °C |
| August | 20.7 °C | 19.3 °C – 21.4 °C |
| September | 17.1 °C | 14.4 °C – 19.2 °C |
| October | 12.3 °C | 9.9 °C – 14.2 °C |
| November | 6.8 °C | 4.5 °C – 9.7 °C |
| December | 4.0 °C | 3.5 °C – 4.4 °C |