Climate in Haverhill: average temperature by month
In Haverhill the warmest month is July, with 28.6 °C on average in the afternoon; the coolest is January, with 1.8 °C.
The average of the weather stations Nashua (32 km) and Blue Hill Coop (63 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 1.8 °C | 1.2 °C – 2.5 °C |
| February | 3.1 °C | 1.6 °C – 4.8 °C |
| March | 7.8 °C | 5.0 °C – 10.6 °C |
| April | 14.3 °C | 10.8 °C – 17.1 °C |
| May | 20.7 °C | 17.3 °C – 23.4 °C |
| June | 25.7 °C | 23.6 °C – 27.8 °C |
| July | 28.6 °C | 28.0 °C – 28.9 °C |
| August | 27.5 °C | 26.2 °C – 28.5 °C |
| September | 23.5 °C | 20.6 °C – 26.1 °C |
| October | 17.3 °C | 14.0 °C – 20.5 °C |
| November | 10.2 °C | 6.8 °C – 13.9 °C |
| December | 4.1 °C | 2.7 °C – 6.6 °C |