Stumm, Austria experiences average highs of 15°C (59°F) and lows of 5°C (41°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Average highs have warmed by 1.3°C (2.3°F) across the available records.
Stumm, Austria Weather & Climate 2026
Monthly climate averages for Stumm, Austria. 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
4.8/10
Best: June, July, August, September, October
UV Index
4
Low
Temperature 15°C / 5°C
Feels Like 14°C / 3°C
Rainy Days 16
Rainfall 138 mm
Sunshine 8 h
Humidity 81%
Wind Speed 8 km/h
Dew Point 7°C
Snow Days 10 days
Frost Days 13 days
Hottest Month
25°C
August
Avg Low14°C
Rain19days
Coldest Month
-5°C
January
Avg High5°C
Rain14days
Driest Month
12days
February
Avg High8°C
Avg Low-2°C
Windiest Month
9 km/h
April (Gusts 40)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:17
Daylight 15.9h
Sunset 21:12
Live conditions—
Stumm on the map · live conditions
Stumm, Austria
- Continent
- Europe
- Country
- Austria
- City
- Stumm
- Population
- 1.9K
- Coordinates
- 47.29°, 11.89°
Seasonal Breakdown
Spring
Mar–May
Avg High 14°C
Avg Low 4°C
Rain 17 days/mo
Summer
Jun–Aug
Avg High 24°C
Avg Low 14°C
Rain 20 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 6°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: 5°C / -5°C . Feb: 8°C / -2°C . Mar: 10°C / 0°C . Apr: 14°C / 4°C . May: 17°C / 7°C . Jun: 24°C / 13°C . Jul: 24°C / 14°C . Aug: 25°C / 14°C . Sep: 21°C / 11°C . Oct: 17°C / 7°C . Nov: 11°C / 1°C . Dec: 6°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 98 mm. Feb: 81 mm. Mar: 97 mm. Apr: 108 mm. May: 195 mm. Jun: 183 mm. Jul: 214 mm. Aug: 200 mm. Sep: 152 mm. Oct: 120 mm. Nov: 105 mm. Dec: 101 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 81%. Feb: 79%. Mar: 77%. Apr: 77%. May: 83%. Jun: 80%. Jul: 82%. Aug: 83%. Sep: 84%. Oct: 84%. Nov: 82%. 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: 9 km/h . May: 8 km/h . Jun: 8 km/h . Jul: 7 km/h . Aug: 7 km/h . Sep: 7 km/h . Oct: 8 km/h . Nov: 8 km/h . Dec: 8 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. 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 5. Jun: UV 6. Jul: UV 6. Aug: UV 5. 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: 18 days. Feb: 15 days. Mar: 18 days. Apr: 14 days. May: 11 days. Jun: 1 days. Jul: 1 days. Aug: 1 days. Sep: 4 days. Oct: 9 days. Nov: 14 days. Dec: 17 days.
Climate Trends
Average highs have warmed by 1.3°C (2.3°F) across the available records. Average rainfall is trending drier by about 14 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 27°C | Aug · 25°C |
| Coldest month | Jan 2025 · -3°C | Jan · -5°C |
| Wettest month | Jul 2025 · 324 mm | Jul · 214 mm |
| Windiest month | Jan 2025 · 9 km/h | Apr · 9 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
Wet September best
Good October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -5°C | 2°C / -9°C | 14days (98 mm) Wet | 5.8h Fair | 81% Humid | 1.8 Low | Poor | View Details |
| February | 8°C / -2°C | 5°C / -5°C | 12days (81 mm) Wet | 7.1h Good | 79% Humid | 2.6 Moderate | Poor | View Details |
| March | 10°C / 0°C | 8°C / -3°C | 15days (97 mm) Wet | 8.7h Good | 77% Humid | 3.9 Moderate | Poor | View Details |
| April | 14°C / 4°C | 12°C / 1°C | 15days (108 mm) Wet | 10h Excellent | 77% Humid | 5.2 High | Fair | View Details |
| May | 17°C / 7°C | 18°C / 6°C | 22days (195 mm) Wet | 9.5h Good | 83% Humid | 5.2 High | Wet | View Details |
| June best | 24°C / 13°C | 26°C / 13°C | 20days (183 mm) Wet | 10.9h Excellent | 80% Humid | 6.2 High | Wet | View Details |
| July best | 24°C / 14°C | 27°C / 15°C | 22days (214 mm) Wet | 10.8h Excellent | 82% Humid | 6 High | Wet | View Details |
| August best | 25°C / 14°C | 27°C / 15°C | 19days (200 mm) Wet | 9.9h Good | 83% Humid | 5.4 High | Wet | View Details |
| September best | 21°C / 11°C | 22°C / 10°C | 15days (152 mm) Wet | 8.5h Good | 84% Humid | 4.2 Moderate | Good | View Details |
| October best | 17°C / 7°C | 16°C / 6°C | 12days (120 mm) Wet | 7.3h Good | 84% Humid | 3 Moderate | Good | View Details |
| November | 11°C / 1°C | 9°C / -2°C | 12days (105 mm) Wet | 6h Fair | 82% Humid | 2 Low | Poor | View Details |
| December | 6°C / -3°C | 4°C / -7°C | 14days (101 mm) Wet | 5.3h Fair | 81% Humid | 1.5 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Stumm 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 Stumm, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Stumm is August, with average daytime highs of 25°C (76°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Stumm 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 Stumm is July, averaging 214mm of precipitation across 22 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Stumm runs through May, July, June, August, with the heaviest rainfall in May. Based on 10-year averages for Stumm.
Stumm receives approximately 100 sunshine hours per year. The sunniest month is June with around 11 hours. Based on climate data for Stumm.
The least favorable months to visit Stumm 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 Stumm is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Stumm is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Stumm receives snow. Months with snowfall average 10 snow days and 35 cm (14 in) of accumulation, with about 13 frost days during winter.
Average wind speeds in Stumm are 8 km/h (5 mph). The windiest month is April with peak winds reaching 9 km/h (5 mph) (gusts up to 40 km/h / 25 mph).
Stumm averages 3 clear-sky days per month with overall cloud cover around 66%. The clearest skies occur in March.
The annual average dew point in Stumm is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Stumm 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 Stumm ranges from 3°C (37°F) to 14°C (57°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 Stumm, with a climate score of 7.4/10. Consider visiting during June, July, August, September, October instead for better conditions.
For June in Stumm, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 24°C (75°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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