United Kingdom
Weather in Derry through the year
The average of the weather stations Malin Head (42 km), Armagh (84 km) and Connaught (155 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 8.0 °C | 7.9 °C – 8.3 °C |
| February | 8.4 °C | 8.0 °C – 8.7 °C |
| March | 9.7 °C | 8.7 °C – 10.5 °C |
| April | 11.6 °C | 10.6 °C – 12.6 °C |
| May | 14.1 °C | 12.7 °C – 15.4 °C |
| June | 16.2 °C | 15.4 °C – 16.8 °C |
| July | 17.5 °C | 16.8 °C – 17.9 °C |
| August | 17.5 °C | 17.1 °C – 17.8 °C |
| September | 16.0 °C | 14.8 °C – 17.1 °C |
| October | 13.3 °C | 11.9 °C – 14.7 °C |
| November | 10.4 °C | 9.2 °C – 11.8 °C |
| December | 8.7 °C | 8.2 °C – 9.2 °C |