Wiler, Switzerland experiences average highs of 9°C (48°F) and lows of 1°C (34°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.
Wiler, Switzerland Weather & Climate 2026
Monthly climate averages for Wiler, Switzerland. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Dec 
Wetter season: Jan–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.4/10
Best: June, July, August, September
UV Index
5
Low
Temperature 9°C / 1°C
Feels Like 7°C / -2°C
Rainy Days 16
Rainfall 153 mm
Sunshine 9 h
Humidity 78%
Wind Speed 7 km/h
Dew Point 1°C
Snow Days 11 days
Frost Days 18 days
Hottest Month
20°C
July
Avg Low11°C
Rain20days
Coldest Month
-10°C
January
Avg High-2°C
Rain15days
Driest Month
12days
February
Avg High2°C
Avg Low-7°C
Windiest Month
8 km/h
December (Gusts 44)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:37
Daylight 15.8h
Sunset 21:24
Live conditions—
Wiler on the map · live conditions
Wiler, Switzerland
- Continent
- Europe
- Country
- Switzerland
- City
- Wiler
- Population
- 541
- Coordinates
- 46.40°, 7.78°
Seasonal Breakdown
Spring
Mar–May
Avg High 7°C
Avg Low -1°C
Rain 16 days/mo
Summer
Jun–Aug
Avg High 20°C
Avg Low 10°C
Rain 20 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 10°C
Avg Low 1°C
Rain 14 days/mo
1/3 best months
Winter
Dec–Feb
Avg High -1°C
Avg Low -8°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 / -10°C . Feb: 2°C / -7°C . Mar: 4°C / -5°C . Apr: 7°C / 0°C . May: 11°C / 3°C . Jun: 18°C / 9°C . Jul: 20°C / 11°C . Aug: 20°C / 10°C . Sep: 16°C / 7°C . Oct: 11°C / 2°C . Nov: 4°C / -4°C . Dec: -1°C / -8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 175 mm. Feb: 118 mm. Mar: 138 mm. Apr: 122 mm. May: 169 mm. Jun: 167 mm. Jul: 181 mm. Aug: 170 mm. Sep: 130 mm. Oct: 137 mm. Nov: 142 mm. Dec: 182 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 75%. Mar: 76%. Apr: 78%. May: 83%. Jun: 78%. Jul: 75%. Aug: 75%. Sep: 81%. Oct: 83%. Nov: 83%. Dec: 77%.
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: 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: 15 days. Mar: 18 days. Apr: 16 days. May: 14 days. Jun: 3 days. Jul: 1 days. Aug: 2 days. Sep: 5 days. Oct: 10 days. Nov: 17 days. Dec: 18 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 22 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 22°C | Jul · 20°C |
| Coldest month | Jan 2025 · -9°C | Jan · -10°C |
| Wettest month | Jul 2025 · 259 mm | Dec · 182 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
Poor November
Poor December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -2°C / -10°C | -6°C / -14°C | 15days (175 mm) Wet | 5.8h Fair | 76% Humid | 2.1 Moderate | Poor | View Details |
| February | 2°C / -7°C | -2°C / -10°C | 12days (118 mm) Wet | 7.2h Good | 75% Muggy | 3.2 Moderate | Poor | View Details |
| March | 4°C / -5°C | 1°C / -8°C | 14days (138 mm) Wet | 8.8h Good | 76% Humid | 4.7 Moderate | Poor | View Details |
| April | 7°C / 0°C | 6°C / -3°C | 14days (122 mm) Wet | 10.7h Excellent | 78% Humid | 5.9 High | Poor | View Details |
| May | 11°C / 3°C | 10°C / 1°C | 20days (169 mm) Wet | 10.4h Excellent | 83% Humid | 6.1 High | Wet | View Details |
| June best | 18°C / 9°C | 19°C / 8°C | 21days (167 mm) Wet | 11.7h Excellent | 78% Humid | 7.3 Very High | Wet | View Details |
| July best | 20°C / 11°C | 21°C / 10°C | 20days (181 mm) Wet | 12.1h Excellent | 75% Muggy | 7.3 Very High | Wet | View Details |
| August best | 20°C / 10°C | 21°C / 10°C | 19days (170 mm) Wet | 11h Excellent | 75% Muggy | 6.3 High | Wet | View Details |
| September best | 16°C / 7°C | 15°C / 5°C | 15days (130 mm) Wet | 9.2h Good | 81% Humid | 4.9 Moderate | Fair | View Details |
| October | 11°C / 2°C | 9°C / 0°C | 13days (137 mm) Wet | 7.6h Good | 83% Humid | 3.4 Moderate | Poor | View Details |
| November | 4°C / -4°C | 1°C / -8°C | 14days (142 mm) Wet | 6.2h Fair | 83% Humid | 2.1 Moderate | Poor | View Details |
| December | -1°C / -8°C | -4°C / -12°C | 14days (182 mm) Wet | 5.2h Fair | 77% Humid | 1.7 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Wiler are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Wiler, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Wiler is July, 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 Wiler is January, with average overnight lows of -10°C (15°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Wiler is December, averaging 182mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Wiler runs through June, May, July, August, with the heaviest rainfall in June. Based on 10-year averages for Wiler.
Wiler receives approximately 106 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Wiler.
The least favorable months to visit Wiler are January, February, 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 Wiler is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Wiler is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Wiler receives snow. Months with snowfall average 11 snow days and 58 cm (23 in) of accumulation, with about 18 frost days during winter.
Average wind speeds in Wiler are 7 km/h (4 mph). The windiest month is December with peak winds reaching 8 km/h (5 mph) (gusts up to 44 km/h / 27 mph).
Wiler averages 2 clear-sky days per month with overall cloud cover around 69%. The clearest skies occur in December.
The annual average dew point in Wiler is 1°C (34°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Wiler 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 Wiler ranges from -2°C (28°F) to 7°C (45°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
June is not the best time to visit Wiler, with a climate score of 5.9/10. Consider visiting during June, July, August, September instead for better conditions.
For June in Wiler, pack Warm evening layer, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 18°C (65°F) and 21 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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