Lenk, Switzerland experiences average highs of 12°C (54°F) and lows of 2°C (36°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.1°C (2.0°F) across the available records.
Lenk, Switzerland Weather & Climate 2026
Monthly climate averages for Lenk, Switzerland. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.7/10
Best: June, July, August, September
UV Index
4
Low
Temperature 12°C / 2°C
Feels Like 11°C / 0°C
Rainy Days 16
Rainfall 167 mm
Sunshine 9 h
Humidity 81%
Wind Speed 8 km/h
Dew Point 4°C
Snow Days 12 days
Frost Days 18 days
Hottest Month
22°C
August
Avg Low11°C
Rain18days
Coldest Month
-7°C
January
Avg High2°C
Rain15days
Driest Month
12days
February
Avg High5°C
Avg Low-4°C
Windiest Month
8 km/h
December (Gusts 38)
Worst Time to Visit
Consider avoiding January, March, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:38
Daylight 15.8h
Sunset 21:26
Live conditions—
Lenk on the map · live conditions
Lenk, Switzerland
- Continent
- Europe
- Country
- Switzerland
- City
- Lenk
- Population
- 2.3K
- Coordinates
- 46.46°, 7.44°
Seasonal Breakdown
Spring
Mar–May
Avg High 10°C
Avg Low 1°C
Rain 17 days/mo
Summer
Jun–Aug
Avg High 21°C
Avg Low 11°C
Rain 19 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 13°C
Avg Low 3°C
Rain 14 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 3°C
Avg Low -6°C
Rain 14 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 2°C / -7°C . Feb: 5°C / -4°C . Mar: 7°C / -2°C . Apr: 10°C / 0°C . May: 13°C / 4°C . Jun: 20°C / 9°C . Jul: 22°C / 11°C . Aug: 22°C / 11°C . Sep: 18°C / 8°C . Oct: 14°C / 4°C . Nov: 7°C / -2°C . Dec: 3°C / -6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 179 mm. Feb: 124 mm. Mar: 143 mm. Apr: 136 mm. May: 208 mm. Jun: 191 mm. Jul: 216 mm. Aug: 180 mm. Sep: 152 mm. Oct: 133 mm. Nov: 149 mm. Dec: 189 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 79%. Mar: 78%. Apr: 78%. May: 83%. Jun: 81%. Jul: 80%. Aug: 80%. Sep: 84%. Oct: 83%. Nov: 82%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 8 km/h . Feb: 8 km/h . Mar: 8 km/h . Apr: 8 km/h . May: 7 km/h . Jun: 8 km/h . Jul: 8 km/h . Aug: 7 km/h . Sep: 7 km/h . Oct: 8 km/h . Nov: 8 km/h . Dec: 8 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 11h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 8h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 18 days. Feb: 14 days. Mar: 17 days. Apr: 11 days. May: 8 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 3 days. Oct: 6 days. Nov: 14 days. Dec: 16 days.
Climate Trends
Average highs have warmed by 1.1°C (2.0°F) across the available records. Average rainfall is trending drier by about 29 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 23°C | Aug · 22°C |
| Coldest month | Jan 2025 · -6°C | Jan · -7°C |
| Wettest month | Jul 2025 · 290 mm | Jul · 216 mm |
| Windiest month | Dec 2025 · 9 km/h | Dec · 8 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Wet June best
Wet July best
Wet August best
Wet September best
Fair October
Fair November
Poor December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 2°C / -7°C | -2°C / -11°C | 15days (179 mm) Wet | 5.7h Fair | 80% Humid | 2.1 Moderate | Poor | View Details |
| February | 5°C / -4°C | 2°C / -8°C | 12days (124 mm) Wet | 7.1h Good | 79% Humid | 3.1 Moderate | Poor | View Details |
| March | 7°C / -2°C | 5°C / -6°C | 15days (143 mm) Wet | 8.8h Good | 78% Humid | 4.6 Moderate | Poor | View Details |
| April | 10°C / 0°C | 9°C / -3°C | 14days (136 mm) Wet | 10.7h Excellent | 78% Humid | 5.9 High | Poor | View Details |
| May | 13°C / 4°C | 13°C / 2°C | 21days (208 mm) Wet | 10.4h Excellent | 83% Humid | 5.7 High | Wet | View Details |
| June best | 20°C / 9°C | 21°C / 8°C | 20days (191 mm) Wet | 11.7h Excellent | 81% Humid | 6.9 High | Wet | View Details |
| July best | 22°C / 11°C | 23°C / 11°C | 20days (216 mm) Wet | 12.1h Excellent | 80% Humid | 6.8 High | Wet | View Details |
| August best | 22°C / 11°C | 23°C / 11°C | 18days (180 mm) Wet | 11.1h Excellent | 80% Humid | 6.1 High | Wet | View Details |
| September best | 18°C / 8°C | 18°C / 7°C | 15days (152 mm) Wet | 9.2h Good | 84% Humid | 4.5 Moderate | Fair | View Details |
| October | 14°C / 4°C | 13°C / 2°C | 13days (133 mm) Wet | 7.6h Good | 83% Humid | 3.2 Moderate | Fair | View Details |
| November | 7°C / -2°C | 5°C / -5°C | 14days (149 mm) Wet | 6.1h Fair | 82% Humid | 2.1 Moderate | Poor | View Details |
| December | 3°C / -6°C | 0°C / -9°C | 14days (189 mm) Wet | 5.1h Fair | 80% Humid | 1.8 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Lenk are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Lenk, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Lenk is August, with average daytime highs of 22°C (71°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Lenk is January, with average overnight lows of -7°C (20°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Lenk is July, averaging 216mm of precipitation across 20 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Lenk runs through May, June, July, August, with the heaviest rainfall in May. Based on 10-year averages for Lenk.
Lenk receives approximately 106 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Lenk.
The least favorable months to visit Lenk are January, March, November, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Lenk is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Lenk is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Lenk receives snow. Months with snowfall average 12 snow days and 66 cm (26 in) of accumulation, with about 18 frost days during winter.
Average wind speeds in Lenk are 8 km/h (5 mph). The windiest month is December with peak winds reaching 8 km/h (5 mph) (gusts up to 38 km/h / 24 mph).
Lenk averages 3 clear-sky days per month with overall cloud cover around 66%. The clearest skies occur in December.
The annual average dew point in Lenk is 4°C (39°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Lenk has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Lenk ranges from 0°C (32°F) to 11°C (52°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Lenk, with a climate score of 6/10. Consider visiting during June, July, August, September instead for better conditions.
For June in Lenk, pack Warm evening layer, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 20°C (68°F) and 20 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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