Lisbon
Portugal
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 39 | 33 | 27 | 24 | 22 | 24 | 28 | 31 | 34 | 39 | 39 | 39 | 39 |
| Average high, °C | 25 | 21 | 17 | 14 | 13 | 15 | 17 | 18 | 20 | 25 | 28 | 28 | 20 |
| Average temperature, °C | 19 | 15 | 12 | 10 | 9 | 10 | 12 | 13 | 15 | 19 | 21 | 21 | 14 |
| Average low, °C | 13 | 10 | 7 | 6 | 4 | 5 | 6 | 7 | 10 | 13 | 14 | 14 | 9 |
| Record low, °C | 3 | -1 | -3 | -3 | -6 | -5 | -3 | -1 | -1 | 3 | 7 | 7 | -6 |
| Rain, days | 5 | 8 | 9 | 11 | 11 | 10 | 8 | 7 | 7 | 4 | 2 | 2 | 84 |
| Fog, days | 5 | 5 | 8 | 11 | 10 | 5 | 4 | 4 | 6 | 7 | 5 | 8 | 78 |
| Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 2 | 1 | 9 |
| Average precipitation, mm. | 79 | 167 | 175 | 231 | 193 | 161 | 102 | 123 | 119 | 62 | 24 | 30 | 1466 |
| Relative humidity, % | 80 | 85 | 85 | 85 | 85 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 82 |
| Relative humidity morning, % | 83 | 89 | 91 | 91 | 91 | 88 | 86 | 86 | 88 | 85 | 82 | 83 | 87 |
| Relative humidity evening, % | 46 | 63 | 72 | 76 | 75 | 68 | 60 | 59 | 57 | 51 | 44 | 43 | 60 |
| Wind speed, km/h | 6 | 6 | 4 | 4 | 4 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 |
| Monthly sunshine, часов | 205 | 154 | 109 | 90 | 113 | 116 | 176 | 184 | 217 | 269 | 296 | 281 | 2210 |
| Day Length, часов | 13 | 12 | 10 | 10 | 10 | 11 | 12 | 14 | 15 | 16 | 15 | 14 | 13 |
| Dew point, °C | 11 | 9 | 6 | 4 | 2 | 3 | 4 | 5 | 8 | 11 | 12 | 12 | 87 |
| Growing degree-day, °C | 268 | 165 | 54 | 0 | 0 | 0 | 47 | 78 | 157 | 257 | 338 | 329 | 1691 |
| Solar radiation, global, Mj/m2 | 16 | 9 | 6 | 5 | 6 | 9 | 13 | 16 | 19 | 23 | 24 | 21 | 14 |