Climate in Lisbon: average temperature by month
In Lisbon the warmest month is August, with 29.2 °C on average in the afternoon; the coolest is January, with 15.3 °C.
Measured at the weather station Lisboa Geofisica, 1 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 15.3 °C | 15.0 °C – 16.0 °C |
| February | 16.9 °C | 16.0 °C – 17.5 °C |
| March | 18.9 °C | 17.5 °C – 19.8 °C |
| April | 20.7 °C | 19.9 °C – 21.8 °C |
| May | 23.6 °C | 21.8 °C – 25.3 °C |
| June | 26.4 °C | 25.3 °C – 27.6 °C |
| July | 28.8 °C | 27.7 °C – 29.6 °C |
| August | 29.2 °C | 28.2 °C – 29.7 °C |
| September | 27.0 °C | 25.9 °C – 28.1 °C |
| October | 23.3 °C | 20.6 °C – 26.0 °C |
| November | 18.4 °C | 16.4 °C – 20.5 °C |
| December | 15.7 °C | 15.2 °C – 16.4 °C |