Climate in Alkmaar: average temperature by month
In Alkmaar the warmest month is August, with 21.4 °C on average in the afternoon; the coolest is January, with 5.9 °C.
The average of the weather stations Den Helder (34 km) and De Bilt (66 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 5.9 °C | 5.6 °C – 6.5 °C |
| February | 6.5 °C | 5.8 °C – 7.6 °C |
| March | 9.2 °C | 7.6 °C – 10.9 °C |
| April | 12.6 °C | 11.0 °C – 14.1 °C |
| May | 16.4 °C | 14.3 °C – 18.0 °C |
| June | 19.3 °C | 18.1 °C – 20.4 °C |
| July | 21.1 °C | 20.4 °C – 21.8 °C |
| August | 21.4 °C | 20.5 °C – 21.8 °C |
| September | 18.8 °C | 16.7 °C – 20.5 °C |
| October | 14.6 °C | 12.5 °C – 16.6 °C |
| November | 9.9 °C | 8.0 °C – 12.3 °C |
| December | 7.2 °C | 6.6 °C – 7.9 °C |