Andermatt, Switzerland experiences average highs of 10°C (50°F) and lows of 2°C (36°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Average highs have warmed by 0.9°C (1.6°F) across the available records.
Andermatt, Switzerland Weather & Climate 2026
Monthly climate averages for Andermatt, 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
3.5/10
Best: June, July, August, September
UV Index
4
Low
Temperature 10°C / 2°C
Feels Like 8°C / 0°C
Rainy Days 16
Rainfall 162 mm
Sunshine 8 h
Humidity 81%
Wind Speed 7 km/h
Dew Point 3°C
Snow Days 12 days
Frost Days 16 days
Hottest Month
20°C
August
Avg Low12°C
Rain19days
Coldest Month
-6°C
January
Avg High-1°C
Rain15days
Driest Month
12days
February
Avg High2°C
Avg Low-4°C
Windiest Month
7 km/h
November (Gusts 42)
Worst Time to Visit
Consider avoiding January, March, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 05:33
Daylight 15.8h
Sunset 21:22
Live conditions—
Andermatt on the map · live conditions
Andermatt, Switzerland
- Continent
- Europe
- Country
- Switzerland
- City
- Andermatt
- Population
- 1.3K
- Coordinates
- 46.64°, 8.59°
Seasonal Breakdown
Spring
Mar–May
Avg High 8°C
Avg Low 1°C
Rain 16 days/mo
Summer
Jun–Aug
Avg High 19°C
Avg Low 11°C
Rain 20 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 11°C
Avg Low 3°C
Rain 15 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 1°C
Avg Low -5°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: -1°C / -6°C . Feb: 2°C / -4°C . Mar: 4°C / -3°C . Apr: 7°C / 1°C . May: 11°C / 4°C . Jun: 18°C / 10°C . Jul: 20°C / 12°C . Aug: 20°C / 12°C . Sep: 16°C / 8°C . Oct: 12°C / 4°C . Nov: 4°C / -2°C . Dec: 1°C / -5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 136 mm. Feb: 96 mm. Mar: 125 mm. Apr: 126 mm. May: 160 mm. Jun: 215 mm. Jul: 247 mm. Aug: 238 mm. Sep: 167 mm. Oct: 160 mm. Nov: 128 mm. Dec: 141 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 77%. Mar: 79%. Apr: 81%. May: 85%. Jun: 83%. Jul: 81%. Aug: 82%. Sep: 85%. Oct: 84%. Nov: 83%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 7 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: 6 km/h . Oct: 7 km/h . Nov: 7 km/h . Dec: 7 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 10h. May: 10h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 7h. 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: 19 days. Feb: 16 days. Mar: 18 days. Apr: 15 days. May: 13 days. Jun: 1 days. Jul: 0 days. Aug: 1 days. Sep: 4 days. Oct: 9 days. Nov: 17 days. Dec: 18 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 · 21°C | Aug · 20°C |
| Coldest month | Jan 2025 · -6°C | Jan · -6°C |
| Wettest month | Jul 2025 · 321 mm | Jul · 247 mm |
| Windiest month | Jan 2025 · 9 km/h | Nov · 7 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
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -1°C / -6°C | -4°C / -10°C | 15days (136 mm) Wet | 5.6h Fair | 76% Humid | 2.2 Moderate | Poor | View Details |
| February | 2°C / -4°C | -1°C / -8°C | 12days (96 mm) Wet | 7.1h Good | 77% Humid | 3.2 Moderate | Poor | View Details |
| March | 4°C / -3°C | 2°C / -6°C | 15days (125 mm) Wet | 8.5h Good | 79% Humid | 4.6 Moderate | Poor | View Details |
| April | 7°C / 1°C | 6°C / -2°C | 14days (126 mm) Wet | 10.3h Excellent | 81% Humid | 5.9 High | Poor | View Details |
| May | 11°C / 4°C | 11°C / 2°C | 20days (160 mm) Wet | 10.2h Excellent | 85% Humid | 6.1 High | Wet | View Details |
| June best | 18°C / 10°C | 19°C / 9°C | 20days (215 mm) Wet | 11.1h Excellent | 83% Humid | 6.6 High | Wet | View Details |
| July best | 20°C / 12°C | 22°C / 12°C | 21days (247 mm) Wet | 11.6h Excellent | 81% Humid | 6.7 High | Wet | View Details |
| August best | 20°C / 12°C | 22°C / 12°C | 19days (238 mm) Wet | 10.5h Excellent | 82% Humid | 6.1 High | Wet | View Details |
| September best | 16°C / 8°C | 16°C / 7°C | 16days (167 mm) Wet | 8.9h Good | 85% Humid | 4.5 Moderate | Fair | View Details |
| October | 12°C / 4°C | 10°C / 2°C | 14days (160 mm) Wet | 7.2h Good | 84% Humid | 3.1 Moderate | Poor | View Details |
| November | 4°C / -2°C | 2°C / -5°C | 15days (128 mm) Wet | 5.8h Fair | 83% Humid | 2.2 Moderate | Poor | View Details |
| December | 1°C / -5°C | -2°C / -8°C | 15days (141 mm) Wet | 5h Fair | 76% Humid | 1.8 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Andermatt are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Andermatt, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Andermatt is August, with average daytime highs of 20°C (69°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Andermatt is January, with average overnight lows of -6°C (20°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Andermatt is July, averaging 247mm of precipitation across 21 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Andermatt runs through July, May, June, August, with the heaviest rainfall in July. Based on 10-year averages for Andermatt.
Andermatt receives approximately 102 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Andermatt.
The least favorable months to visit Andermatt are January, March, November, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Andermatt is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Andermatt is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Andermatt receives snow. Months with snowfall average 12 snow days and 51 cm (20 in) of accumulation, with about 16 frost days during winter.
Average wind speeds in Andermatt are 7 km/h (4 mph). The windiest month is November with peak winds reaching 7 km/h (5 mph) (gusts up to 42 km/h / 26 mph).
Andermatt 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 Andermatt is 3°C (37°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Andermatt has a Warm-Summer Continental climate, classified as Dfb under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Andermatt ranges from 0°C (32°F) to 8°C (46°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 Andermatt, with a climate score of 5.9/10. Consider visiting during June, July, August, September instead for better conditions.
For June in Andermatt, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 18°C (64°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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