Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Lachen features a oceanic climate (Cfb).Temperatures typically range between 0 °C (32 °F) and 18 °C (65 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1556 mm (61.2 inches) and receives 180 rainy days on the 1 mm (0.04 inches) threshold annually.Lachen enjoys an average of 3561 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 52 minutes per day.
The warmest months in Lachen are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (32 - 36 °F) throughout the day. On average each year, Lachen experiences 26 days above 25 °C (77.0 °F) and 87 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (56°F) | 17°C (62°F) | 19°C (67°F) | 24°C (76°F) | 28°C (84°F) | 32°C (90°F) | 33°C (91°F) | 32°C (90°F) | 27°C (80°F) | 22°C (72°F) | 20°C (69°F) | 12°C (54°F) |
Mean maximum | 9°C (48°F) | 14°C (57°F) | 17°C (63°F) | 22°C (71°F) | 25°C (78°F) | 27°C (81°F) | 30°C (86°F) | 31°C (87°F) | 25°C (77°F) | 20°C (69°F) | 16°C (62°F) | 11°C (52°F) |
Average high | 3°C (37°F) | 6°C (43°F) | 9°C (49°F) | 14°C (57°F) | 17°C (62°F) | 22°C (72°F) | 23°C (74°F) | 23°C (73°F) | 19°C (66°F) | 14°C (58°F) | 7°C (45°F) | 4°C (39°F) |
Daily mean | -0°C (32°F) | 2°C (36°F) | 4°C (40°F) | 8°C (47°F) | 12°C (53°F) | 17°C (63°F) | 18°C (65°F) | 18°C (65°F) | 14°C (57°F) | 10°C (50°F) | 4°C (40°F) | 2°C (35°F) |
Average low | -3°C (27°F) | -2°C (29°F) | -0°C (32°F) | 3°C (38°F) | 7°C (45°F) | 12°C (54°F) | 13°C (56°F) | 13°C (57°F) | 10°C (50°F) | 6°C (43°F) | 2°C (36°F) | -1°C (31°F) |
Mean minimum | -8°C (18°F) | -9°C (16°F) | -7°C (20°F) | -4°C (25°F) | 0°C (32°F) | 6°C (43°F) | 9°C (48°F) | 9°C (48°F) | 4°C (40°F) | 2°C (35°F) | -3°C (27°F) | -7°C (19°F) |
Minimum | -12°C (10°F) | -15°C (6°F) | -16°C (4°F) | -7°C (19°F) | -5°C (24°F) | 4°C (40°F) | 8°C (47°F) | 8°C (46°F) | 2°C (36°F) | -0°C (32°F) | -5°C (24°F) | -10°C (14°F) |
Compare temperature, precipitation, sunshine, UV index in Lachen, Schwyz, Switzerland with other places around the world.
Lachen usually has the most precipitation in May, June and August, with an average of 17 rainy days and 168 mm (6.6 inches) of precipitation per month.The driest months in Lachen are February, April and November. On average, 87 mm (3.4 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 127 (5.0) | 95 (3.7) | 112 (4.4) | 87 (3.4) | 159 (6.3) | 187 (7.4) | 145 (5.7) | 158 (6.2) | 123 (4.9) | 128 (5.0) | 80 (3.1) | 155 (6.1) |
Average precipitation days (≥ 1 mm) | 12 | 12 | 17 | 12 | 20 | 17 | 16 | 15 | 14 | 13 | 13 | 19 |
The sunniest months in Lachen are June, July and August, when the sun shines an average of 12 hours 42 minutes a day.Least sunny months in Lachen: January, November and December receive an average of 6 hours 3 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 163 | 226 | 298 | 355 | 365 | 381 | 409 | 377 | 314 | 274 | 210 | 183 |
Mean daily daylight hours | 8h 56m | 10h 16m | 11h 56m | 13h 38m | 15h 6m | 15h 52m | 15h 28m | 14h 9m | 12h 30m | 10h 48m | 9h 18m | 8h 31m |
Lachen experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 10, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Lachen UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 3 | 5 | 7 | 8 | 10 | 9 | 8 | 6 | 4 | 3 | 2 |