Average annual temperature is 11.6 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 120 days
Number of rainy days: 229 days
Number of snow days: 16 days
Look at detailed online map of Lachen
* Weather data for Lachen Switzerland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.7 | 16.1 | 19.2 | 19.9 | 24.5 | 34.3 | 34.1 | 33.3 | 28.6 | 25.7 | 14.5 | 12.2 |
| Average daytime temperature (°C) | 5.8 | 9.0 | 11.4 | 12.4 | 18.4 | 25.7 | 25.1 | 24.8 | 24.0 | 19.4 | 9.4 | 7.9 |
| Average temperature (°C) | 2.5 | 3.7 | 6.8 | 8.4 | 14.0 | 20.0 | 20.3 | 20.1 | 18.7 | 14.0 | 5.9 | 3.9 |
| Average night temperature (°C) | -1.1 | -0.9 | 2.2 | 4.2 | 8.6 | 13.2 | 15.7 | 15.5 | 13.4 | 9.3 | 2.4 | -0.1 |
| Absolute minimum temperature (°C) | -10.6 | -7.4 | -3.1 | -3.2 | 3.7 | 9.0 | 9.7 | 8.8 | 6.7 | 4.5 | -3.1 | -11.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 6.5 | 6.6 | 6.6 | 8.4 | 13.5 | 11.1 | 9.6 | 10.0 | 7.5 | 3.0 | 3.7 |
| Precipitation (mm) | 85 | 52 | 143 | 229 | 167 | 66 | 273 | 229 | 93 | 161 | 268 | 217 |
| Sunny days | 9 | 13 | 11 | 5 | 4 | 12 | 7 | 14 | 16 | 18 | 3 | 8 |
| Rainy days | 13 | 12 | 19 | 25 | 27 | 18 | 24 | 17 | 14 | 13 | 25 | 22 |
| Snow days | 9 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Lachen during the most sunny months:
Months with the longest average daylight duration in Lachen:
The largest precipitation sum in Lachen is at