Common information
CountrySwitzerland
Population57 066
Weather, climate, temperature by months in Luzern
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Average high, °C | 13 | 10 | 4 | 2 | 0 | 1 | 2 | 5 | 10 | 14 | 16 | 16 | 8 |
| Average temperature, °C | 10 | 7 | 1 | -1 | -2 | -2 | -1 | 2 | 7 | 10 | 13 | 12 | 5 |
| Average low, °C | 7 | 4 | -1 | -4 | -5 | -5 | -3 | -1 | 4 | 7 | 9 | 9 | 2 |
| Fog, days | 0 | 0 | 2 | 0 | 8 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | 23 |
| Average precipitation, mm. | 129 | 102 | 128 | 128 | 112 | 128 | 119 | 136 | 170 | 213 | 170 | 202 | 1737 |
| Relative humidity, % | 83 | 86 | 88 | 87 | 86 | 84 | 82 | 80 | 78 | 78 | 77 | 80 | 82 |
| Wind speed, km/h | 13 | 14 | 14 | 17 | 16 | 15 | 14 | 12 | 11 | 12 | 12 | 11 | 13 |
| Monthly sunshine, часов | 156 | 151 | 96 | 88 | 95 | 102 | 123 | 117 | 135 | 142 | 187 | 171 | 1563 |
| Day Length, часов | 13 | 11 | 10 | 9 | 10 | 11 | 13 | 14 | 16 | 17 | 16 | 15 | 13 |
| Growing degree-day, °C | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 88 | 75 | 171 |
| Atmosphere pressure, bar | 862 | 860 | 857 | 856 | 856 | 854 | 855 | 855 | 858 | 861 | 862 | 862 | 10298 |
| Solar radiation, global, Mj/m2 | 13 | 8 | 5 | 4 | 5 | 8 | 12 | 15 | 19 | 20 | 20 | 17 | 12 |