Grabs, Switzerland experiences average highs of 15°C (59°F) and lows of 6°C (43°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Average highs have warmed by 1.0°C (1.8°F) across the available records.
Grabs, Switzerland Weather & Climate 2026
Monthly climate averages for Grabs, 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
4.7/10
Best: June, July, August, September, October
UV Index
4
Low
Temperature 15°C / 6°C
Feels Like 15°C / 4°C
Rainy Days 16
Rainfall 153 mm
Sunshine 8 h
Humidity 81%
Wind Speed 7 km/h
Dew Point 7°C
Snow Days 9 days
Frost Days 13 days
Hottest Month
24°C
August
Avg Low15°C
Rain17days
Coldest Month
-3°C
January
Avg High5°C
Rain14days
Driest Month
12days
February
Avg High8°C
Avg Low-1°C
Windiest Month
8 km/h
April (Gusts 34)
Worst Time to Visit
Consider avoiding January, February, March, December due to frequent rain.
Sun Position
Sunrise 05:27
Daylight 15.9h
Sunset 21:21
Live conditions—
Grabs on the map · live conditions
Grabs, Switzerland
- Continent
- Europe
- Country
- Switzerland
- City
- Grabs
- Population
- 6.4K
- Elevation
- 465 m
- Coordinates
- 47.18°, 9.44°
Seasonal Breakdown
Spring
Mar–May
Avg High 14°C
Avg Low 4°C
Rain 16 days/mo
Summer
Jun–Aug
Avg High 24°C
Avg Low 14°C
Rain 19 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 7°C
Rain 14 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 7°C
Avg Low -2°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: 5°C / -3°C . Feb: 8°C / -1°C . Mar: 10°C / 1°C . Apr: 14°C / 4°C . May: 18°C / 8°C . Jun: 23°C / 13°C . Jul: 24°C / 15°C . Aug: 24°C / 15°C . Sep: 20°C / 11°C . Oct: 17°C / 8°C . Nov: 10°C / 2°C . Dec: 7°C / -1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 137 mm. Feb: 94 mm. Mar: 112 mm. Apr: 127 mm. May: 198 mm. Jun: 199 mm. Jul: 221 mm. Aug: 224 mm. Sep: 158 mm. Oct: 126 mm. Nov: 112 mm. Dec: 123 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 78%. Mar: 77%. Apr: 76%. May: 81%. Jun: 80%. Jul: 81%. Aug: 83%. Sep: 84%. Oct: 84%. Nov: 84%. Dec: 81%.
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: 8 km/h . Jun: 8 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: 5h. Feb: 7h. Mar: 8h. Apr: 10h. May: 10h. Jun: 11h. Jul: 11h. Aug: 10h. 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 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 6. Aug: UV 6. Sep: UV 4. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 17 days. Feb: 13 days. Mar: 13 days. Apr: 9 days. May: 3 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 3 days. Nov: 11 days. Dec: 15 days.
Climate Trends
Average highs have warmed by 1.0°C (1.8°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 · 26°C | Aug · 24°C |
| Coldest month | Jan 2025 · -4°C | Jan · -3°C |
| Wettest month | Jul 2025 · 321 mm | Aug · 224 mm |
| Windiest month | Jan 2025 · 8 km/h | Apr · 8 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May
Wet June best
Wet July best
Wet August best
Excellent September best
Good October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -3°C | 3°C / -7°C | 14days (137 mm) Wet | 5.3h Fair | 80% Humid | 1.7 Low | Poor | View Details |
| February | 8°C / -1°C | 6°C / -5°C | 12days (94 mm) Wet | 6.6h Fair | 78% Humid | 2.5 Moderate | Poor | View Details |
| March | 10°C / 1°C | 8°C / -2°C | 15days (112 mm) Wet | 8.3h Good | 77% Humid | 3.6 Moderate | Poor | View Details |
| April | 14°C / 4°C | 13°C / 1°C | 14days (127 mm) Wet | 9.9h Good | 76% Humid | 5.1 High | Fair | View Details |
| May | 18°C / 8°C | 18°C / 7°C | 20days (198 mm) Wet | 9.8h Good | 81% Humid | 5.5 High | Wet | View Details |
| June best | 23°C / 13°C | 25°C / 13°C | 19days (199 mm) Wet | 11.3h Excellent | 80% Humid | 6.5 High | Wet | View Details |
| July best | 24°C / 15°C | 26°C / 15°C | 20days (221 mm) Wet | 11h Excellent | 81% Humid | 6.4 High | Wet | View Details |
| August best | 24°C / 15°C | 27°C / 15°C | 17days (224 mm) Wet | 10.1h Excellent | 83% Humid | 5.6 High | Excellent | View Details |
| September best | 20°C / 11°C | 21°C / 11°C | 15days (158 mm) Wet | 8.6h Good | 84% Humid | 4.1 Moderate | Good | View Details |
| October best | 17°C / 8°C | 16°C / 6°C | 13days (126 mm) Wet | 7.1h Good | 84% Humid | 3 Moderate | Good | View Details |
| November | 10°C / 2°C | 9°C / 0°C | 14days (112 mm) Wet | 5.5h Fair | 84% Humid | 1.8 Low | Poor | View Details |
| December | 7°C / -1°C | 4°C / -5°C | 15days (123 mm) Wet | 4.7h Fair | 81% Humid | 1.4 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Grabs 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 Grabs, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Grabs is August, with average daytime highs of 24°C (75°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Grabs is January, with average overnight lows of -3°C (26°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Grabs is August, averaging 224mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Grabs runs through May, July, June, August, with the heaviest rainfall in May. Based on 10-year averages for Grabs.
Grabs receives approximately 98 sunshine hours per year. The sunniest month is June with around 11 hours. Based on climate data for Grabs.
The least favorable months to visit Grabs are January, February, March, December, primarily due to frequent rain. For the best conditions, consider June, July, August, September, October instead.
The annual average UV index in Grabs is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Grabs is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Grabs receives snow. Months with snowfall average 9 snow days and 29 cm (11 in) of accumulation, with about 13 frost days during winter.
Average wind speeds in Grabs are 7 km/h (4 mph). The windiest month is April with peak winds reaching 8 km/h (5 mph) (gusts up to 34 km/h / 21 mph).
Grabs averages 3 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in March.
The annual average dew point in Grabs is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Grabs 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 Grabs 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.
June is not the best time to visit Grabs, with a climate score of 7.4/10. Consider visiting during June, July, August, September, October instead for better conditions.
For June in Grabs, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 23°C (74°F) and 19 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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