Climate Insights for Au

Politischer Bezirk Bregenz, Vorarlberg, Austria

Hottest
July
19°C peak
Coldest
January
-8°C low
Wettest
May
228mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Au is cool. The average annual temperature is 5°C and approximately 1857mm of precipitation falls per year. Au receives a notable amount of rainfall throughout the year, including during its driest month. Au is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -8°C. Au experiences heavy snowfall, typically from January through December.

Temperature

-10° -5° 10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -1° Average: -5° Min: -8° Feb Max: 2° Average: -2° Min: -6° Mar Max: 5° Average: 0° Min: -4° Apr Max: 9° Average: 4° Min: -1° May Max: 12° Average: 8° Min: 3° Jun Max: 18° Average: 13° Min: 8° Jul Max: 19° Average: 14° Min: 9° Aug Max: 19° Average: 14° Min: 9° Sep Max: 15° Average: 10° Min: 5° Oct Max: 11° Average: 6° Min: 2° Nov Max: 5° Average: 1° Min: -3° Dec Max: 1° Average: -3° Min: -6°
Max
Average
Min

Temperatures in Au vary considerably across the year, with a 27°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 19°C with a mean of 14°C. The coldest month is January, when overnight lows fall to -8°C and the daily average is -5°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 154mm Snow: 96mm Feb Precipitation: 108mm Snow: 62mm Mar Precipitation: 126mm Snow: 67mm Apr Precipitation: 126mm Snow: 53mm May Precipitation: 228mm Snow: 24mm Jun Precipitation: 208mm Snow: 1mm Jul Precipitation: 177mm Snow: 0mm Aug Precipitation: 202mm Snow: 0mm Sep Precipitation: 151mm Snow: 9mm Oct Precipitation: 128mm Snow: 17mm Nov Precipitation: 114mm Snow: 57mm Dec Precipitation: 134mm Snow: 74mm
Precipitation
Snow

Au is a fairly wet location, receiving approximately 1857mm of precipitation annually, which averages out to around 155mm per month. The wettest month is May, averaging 228mm of rainfall. June and August also tend to see above-average precipitation. The driest month is February, with just 108mm. That's 121mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Au receives heavy snowfall, accumulating around 459cm annually from January through December. The snowiest month is January, with approximately 96cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 9km/h May Wind Speed: 9km/h Jun Wind Speed: 9km/h Jul Wind Speed: 9km/h Aug Wind Speed: 8km/h Sep Wind Speed: 8km/h Oct Wind Speed: 9km/h Nov Wind Speed: 9km/h Dec Wind Speed: 9km/h
Wind Speed

Au is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Au, which began on March 20, 2026. Au is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 19°C, while the coldest stretch bottoms out in January near -8°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from -4 to 12°C. Rainfall is heavy, totalling around 480mm across the season with a monthly average of 160mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 8 to 19°C. Rainfall is heavy, totalling around 588mm across the season with a monthly average of 196mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -3 to 15°C. Rainfall is heavy, totalling around 393mm across the season with a monthly average of 131mm. Expect around 83cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -8 to 2°C. Rainfall is heavy, totalling around 396mm across the season with a monthly average of 132mm. Expect around 232cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Au based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-8 °C
-1 °C
9 km/h
154 mm
96 cm
Feb
-6 °C
2 °C
9 km/h
108 mm
62 cm
Mar Current
-4 °C
5 °C
9 km/h
126 mm
67 cm
Apr
-1 °C
9 °C
9 km/h
126 mm
53 cm
May
3 °C
12 °C
9 km/h
228 mm
24 cm
Jun
8 °C
18 °C
9 km/h
208 mm
1 cm
Jul
9 °C
19 °C
9 km/h
177 mm
0 cm
Aug
9 °C
19 °C
8 km/h
202 mm
0 cm
Sep
5 °C
15 °C
8 km/h
151 mm
9 cm
Oct
2 °C
11 °C
9 km/h
128 mm
17 cm
Nov
-3 °C
5 °C
9 km/h
114 mm
57 cm
Dec
-6 °C
1 °C
9 km/h
134 mm
74 cm
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Metric (°C, km/h)