Grône, Switzerland experiences average highs of 15°C (59°F) and lows of 6°C (43°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.2°C (2.2°F) across the available records.
Grône, Switzerland Weather & Climate 2026
Monthly climate averages for Grône, Switzerland. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Dec 
Wetter season: Jan–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.1/10
Best: June, July, August, September, October
UV Index
4
Low
Temperature 15°C / 6°C
Feels Like 15°C / 4°C
Rainy Days 14
Rainfall 120 mm
Sunshine 9 h
Humidity 76%
Wind Speed 7 km/h
Dew Point 7°C
Snow Days 11 days
Frost Days 15 days
Hottest Month
26°C
August
Avg Low16°C
Rain13days
Coldest Month
-5°C
January
Avg High4°C
Rain14days
Driest Month
11days
February
Avg High8°C
Avg Low-2°C
Windiest Month
8 km/h
December (Gusts 40)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:39
Daylight 15.8h
Sunset 21:25
Live conditions—
Grône on the map · live conditions
Grône, Switzerland
- Continent
- Europe
- Country
- Switzerland
- City
- Grône
- Population
- 2K
- Coordinates
- 46.25°, 7.46°
Seasonal Breakdown
Spring
Mar–May
Avg High 14°C
Avg Low 5°C
Rain 15 days/mo
Summer
Jun–Aug
Avg High 25°C
Avg Low 15°C
Rain 15 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 7°C
Rain 13 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low -3°C
Rain 13 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: 4°C / -5°C . Feb: 8°C / -2°C . Mar: 10°C / 1°C . Apr: 14°C / 5°C . May: 17°C / 8°C . Jun: 24°C / 14°C . Jul: 26°C / 16°C . Aug: 26°C / 16°C . Sep: 22°C / 12°C . Oct: 17°C / 8°C . Nov: 10°C / 1°C . Dec: 6°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 135 mm. Feb: 90 mm. Mar: 113 mm. Apr: 105 mm. May: 154 mm. Jun: 124 mm. Jul: 118 mm. Aug: 114 mm. Sep: 112 mm. Oct: 112 mm. Nov: 118 mm. Dec: 142 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 72%. Mar: 73%. Apr: 74%. May: 80%. Jun: 78%. Jul: 76%. Aug: 75%. Sep: 81%. Oct: 81%. Nov: 79%. Dec: 74%.
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: 6 km/h . Jun: 7 km/h . Jul: 7 km/h . Aug: 7 km/h . Sep: 6 km/h . Oct: 7 km/h . Nov: 8 km/h . Dec: 8 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 11h. May: 11h. 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: 16 days. Apr: 12 days. May: 9 days. Jun: 1 days. Jul: 0 days. Aug: 0 days. Sep: 4 days. Oct: 6 days. Nov: 14 days. Dec: 17 days.
Climate Trends
Average highs have warmed by 1.2°C (2.2°F) across the available records. Average rainfall is trending drier by about 18 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 27°C | Aug · 26°C |
| Coldest month | Jan 2025 · -4°C | Jan · -5°C |
| Wettest month | Sep 2025 · 210 mm | May · 154 mm |
| Windiest month | Dec 2025 · 9 km/h | Dec · 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 best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -5°C | 1°C / -9°C | 14days (135 mm) Wet | 5.9h Fair | 73% Muggy | 2 Low | Poor | View Details |
| February | 8°C / -2°C | 5°C / -5°C | 11days (90 mm) Wet | 7.4h Good | 72% Muggy | 3 Moderate | Poor | View Details |
| March | 10°C / 1°C | 8°C / -2°C | 13days (113 mm) Wet | 9h Good | 73% Muggy | 4.5 Moderate | Poor | View Details |
| April | 14°C / 5°C | 13°C / 3°C | 12days (105 mm) Wet | 10.8h Excellent | 74% Muggy | 5.8 High | Fair | View Details |
| May | 17°C / 8°C | 18°C / 7°C | 19days (154 mm) Wet | 10.5h Excellent | 80% Humid | 6 High | Wet | View Details |
| June best | 24°C / 14°C | 26°C / 14°C | 17days (124 mm) Wet | 11.6h Excellent | 78% Humid | 7.1 Very High | Excellent | View Details |
| July best | 26°C / 16°C | 28°C / 17°C | 15days (118 mm) Wet | 12.3h Excellent | 76% Humid | 7 High | Excellent | View Details |
| August best | 26°C / 16°C | 28°C / 16°C | 13days (114 mm) Wet | 11.2h Excellent | 75% Muggy | 6.3 High | Excellent | View Details |
| September best | 22°C / 12°C | 23°C / 12°C | 13days (112 mm) Wet | 9.3h Good | 81% Humid | 4.7 Moderate | Excellent | View Details |
| October best | 17°C / 8°C | 17°C / 6°C | 12days (112 mm) Wet | 7.7h Good | 81% Humid | 3.3 Moderate | Good | View Details |
| November | 10°C / 1°C | 8°C / -2°C | 14days (118 mm) Wet | 6.3h Fair | 79% Humid | 2.1 Moderate | Poor | View Details |
| December | 6°C / -3°C | 3°C / -7°C | 13days (142 mm) Wet | 5.3h Fair | 74% Muggy | 1.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Grône are June, July, August, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Grône, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Grône is August, with average daytime highs of 26°C (78°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Grône is January, with average overnight lows of -5°C (23°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Grône is May, averaging 154mm of precipitation across 19 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Grône runs through May, June, July, January, with the heaviest rainfall in May. Based on 10-year averages for Grône.
Grône receives approximately 107 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Grône.
The least favorable months to visit Grône are January, February, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September, October instead.
The annual average UV index in Grône is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Grône is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Grône receives snow. Months with snowfall average 11 snow days and 51 cm (20 in) of accumulation, with about 15 frost days during winter.
Average wind speeds in Grône are 7 km/h (4 mph). The windiest month is December with peak winds reaching 8 km/h (5 mph) (gusts up to 40 km/h / 25 mph).
Grône averages 3 clear-sky days per month with overall cloud cover around 63%. The clearest skies occur in December.
The annual average dew point in Grône is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Grône 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 Grône ranges from 4°C (39°F) to 15°C (59°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 Grône. It earns a climate score of 8/10 with Excellent.
For June in Grône, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 24°C (75°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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