Climate in Lancaster: average temperature by month
In Lancaster the warmest month is July, with 30.7 °C on average in the afternoon; the coolest is January, with 4.8 °C.
The average of the weather stations Carlisle Wtp (78 km), Dover (120 km) and Washington (141 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 4.8 °C | 4.1 °C – 5.8 °C |
| February | 6.4 °C | 4.8 °C – 8.8 °C |
| March | 11.5 °C | 9.0 °C – 14.6 °C |
| April | 17.7 °C | 14.8 °C – 19.9 °C |
| May | 22.9 °C | 20.1 °C – 26.1 °C |
| June | 28.3 °C | 26.4 °C – 30.4 °C |
| July | 30.7 °C | 29.9 °C – 31.1 °C |
| August | 29.1 °C | 28.2 °C – 29.9 °C |
| September | 25.6 °C | 22.7 °C – 28.1 °C |
| October | 19.6 °C | 16.6 °C – 22.6 °C |
| November | 12.5 °C | 9.2 °C – 16.4 °C |
| December | 6.9 °C | 5.9 °C – 8.9 °C |