Climate in London: average temperature by month
In London the warmest month is July, with 27.8 °C on average in the afternoon; the coolest is January, with 0.1 °C.
The average of the weather stations Toronto (167 km) and Bowling Green Wwtp (265 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 0.1 °C | -0.5 °C – 0.9 °C |
| February | 1.3 °C | -0.1 °C – 3.2 °C |
| March | 6.3 °C | 3.4 °C – 9.5 °C |
| April | 13.1 °C | 9.8 °C – 15.9 °C |
| May | 19.6 °C | 16.0 °C – 23.0 °C |
| June | 25.3 °C | 23.2 °C – 27.4 °C |
| July | 27.8 °C | 27.4 °C – 28.0 °C |
| August | 26.4 °C | 25.2 °C – 27.5 °C |
| September | 22.5 °C | 19.5 °C – 25.0 °C |
| October | 15.5 °C | 11.9 °C – 19.2 °C |
| November | 8.1 °C | 5.0 °C – 11.7 °C |
| December | 2.5 °C | 1.0 °C – 4.8 °C |