Lostallo, Switzerland experiences average highs of 16°C (61°F) and lows of 8°C (46°F) throughout the year. Rainfall is moderate, averaging about 12 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 0.9°C (1.6°F) across the available records.
Lostallo, Switzerland Weather & Climate 2026
Monthly climate averages for Lostallo, Switzerland. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.6/10
Best: June, July, August, September
UV Index
4
Low
Temperature 16°C / 8°C
Feels Like 16°C / 7°C
Rainy Days 12
Rainfall 108 mm
Sunshine 9 h
Humidity 77%
Wind Speed 7 km/h
Dew Point 8°C
Snow Days 8 days
Frost Days 7 days
Hottest Month
27°C
July
Avg Low17°C
Rain15days
Coldest Month
-1°C
January
Avg High6°C
Rain9days
Driest Month
9days
January
Avg High6°C
Avg Low-1°C
Windiest Month
8 km/h
January (Gusts 45)
Worst Time to Visit
Consider avoiding January, December due to very cold temperatures.
Sun Position
Sunrise 05:32
Daylight 15.8h
Sunset 21:18
Live conditions—
Lostallo on the map · live conditions
Lostallo, Switzerland
- Continent
- Europe
- Country
- Switzerland
- City
- Lostallo
- Population
- 691
- Coordinates
- 46.31°, 9.20°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 7°C
Rain 14 days/mo
Summer
Jun–Aug
Avg High 26°C
Avg Low 16°C
Rain 15 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 17°C
Avg Low 9°C
Rain 12 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 8°C
Avg Low 1°C
Rain 9 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: 6°C / -1°C . Feb: 9°C / 1°C . Mar: 11°C / 3°C . Apr: 15°C / 7°C . May: 19°C / 10°C . Jun: 25°C / 15°C . Jul: 27°C / 17°C . Aug: 27°C / 17°C . Sep: 22°C / 14°C . Oct: 18°C / 10°C . Nov: 11°C / 4°C . Dec: 8°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 55 mm. Feb: 60 mm. Mar: 88 mm. Apr: 109 mm. May: 154 mm. Jun: 141 mm. Jul: 102 mm. Aug: 134 mm. Sep: 109 mm. Oct: 163 mm. Nov: 109 mm. Dec: 73 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 74%. Mar: 73%. Apr: 72%. May: 78%. Jun: 77%. Jul: 74%. Aug: 75%. Sep: 81%. Oct: 82%. Nov: 82%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 8 km/h . Feb: 7 km/h . Mar: 7 km/h . Apr: 7 km/h . May: 7 km/h . Jun: 7 km/h . Jul: 7 km/h . Aug: 7 km/h . Sep: 7 km/h . Oct: 7 km/h . Nov: 7 km/h . Dec: 8 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 7h. Mar: 9h. Apr: 10h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 7h. Nov: 6h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 4. 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: 13 days. Feb: 12 days. Mar: 12 days. Apr: 7 days. May: 4 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 2 days. Nov: 10 days. Dec: 12 days.
Climate Trends
Average highs have warmed by 0.9°C (1.6°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 27°C | Jul · 27°C |
| Coldest month | Jan 2025 · 0°C | Jan · -1°C |
| Wettest month | Aug 2025 · 186 mm | Oct · 163 mm |
| Windiest month | Jan 2025 · 7 km/h | Jan · 8 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May
Wet June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / -1°C | 4°C / -4°C | 9days (55 mm) Wet | 6.5h Fair | 74% Muggy | 1.9 Low | Poor | View Details |
| February | 9°C / 1°C | 7°C / -2°C | 9days (60 mm) Wet | 7.3h Good | 74% Muggy | 2.5 Moderate | Poor | View Details |
| March | 11°C / 3°C | 9°C / 1°C | 11days (88 mm) Wet | 8.8h Good | 73% Muggy | 3.6 Moderate | Poor | View Details |
| April | 15°C / 7°C | 14°C / 5°C | 12days (109 mm) Wet | 10.2h Excellent | 72% Muggy | 5 Moderate | Fair | View Details |
| May | 19°C / 10°C | 20°C / 9°C | 19days (154 mm) Wet | 10.3h Excellent | 78% Humid | 5.6 High | Wet | View Details |
| June best | 25°C / 15°C | 27°C / 16°C | 17days (141 mm) Wet | 11.8h Excellent | 77% Humid | 6.5 High | Excellent | View Details |
| July best | 27°C / 17°C | 29°C / 18°C | 15days (102 mm) Wet | 12.3h Excellent | 74% Muggy | 6.7 High | Excellent | View Details |
| August best | 27°C / 17°C | 29°C / 18°C | 12days (134 mm) Wet | 11.1h Excellent | 75% Muggy | 6.1 High | Excellent | View Details |
| September best | 22°C / 14°C | 23°C / 14°C | 13days (109 mm) Wet | 9.3h Good | 81% Humid | 4.4 Moderate | Excellent | View Details |
| October | 18°C / 10°C | 18°C / 9°C | 12days (163 mm) Wet | 7.3h Good | 82% Humid | 2.8 Moderate | Fair | View Details |
| November | 11°C / 4°C | 10°C / 2°C | 11days (109 mm) Wet | 6.1h Fair | 82% Humid | 2.1 Moderate | Fair | View Details |
| December | 8°C / 1°C | 6°C / -2°C | 9days (73 mm) Wet | 5.7h Fair | 77% Humid | 1.6 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Lostallo are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Lostallo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Lostallo is July, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Lostallo is January, with average overnight lows of -1°C (30°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Lostallo is October, averaging 163mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Lostallo runs through May, June, July, September, with the heaviest rainfall in May. Based on 10-year averages for Lostallo.
Lostallo receives approximately 107 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Lostallo.
The least favorable months to visit Lostallo are January, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Lostallo is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Lostallo is 77%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Lostallo receives snow. Months with snowfall average 8 snow days and 22 cm (9 in) of accumulation, with about 7 frost days during winter.
Average wind speeds in Lostallo are 7 km/h (4 mph). The windiest month is January with peak winds reaching 8 km/h (5 mph) (gusts up to 45 km/h / 28 mph).
Lostallo averages 3 clear-sky days per month with overall cloud cover around 58%. The clearest skies occur in March.
The annual average dew point in Lostallo is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Lostallo 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 Lostallo ranges from 7°C (45°F) to 16°C (61°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Lostallo. It earns a climate score of 7.8/10 with Excellent.
For June in Lostallo, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 25°C (77°F) and 17 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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