United Kingdom
Weather in Bolton through the year
The average of the weather stations Valley (144 km), Oxford (217 km) and Dublin Phoenix Park (258 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 8.2 °C | 8.1 °C – 8.5 °C |
| February | 8.7 °C | 8.3 °C – 9.1 °C |
| March | 10.5 °C | 9.1 °C – 11.7 °C |
| April | 13.0 °C | 11.8 °C – 14.2 °C |
| May | 16.1 °C | 14.3 °C – 17.6 °C |
| June | 18.7 °C | 17.6 °C – 19.6 °C |
| July | 20.2 °C | 19.6 °C – 20.6 °C |
| August | 20.0 °C | 19.2 °C – 20.4 °C |
| September | 17.8 °C | 16.3 °C – 19.2 °C |
| October | 14.5 °C | 12.8 °C – 16.1 °C |
| November | 11.0 °C | 9.6 °C – 12.7 °C |
| December | 9.1 °C | 8.4 °C – 9.5 °C |