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Weather in Sankt Gallen for August 2025

Your guide to Sankt Gallen weather in August - trends and predictions
  • In general, the average temperature in Sankt Gallen at the beginning of August is 20.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.4 °C by the end of August.

  • Sankt Gallen experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.

  • Is August a good time to visit Sankt Gallen? check out the best time to travel to Sankt Gallen page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Sankt Gallen in August average weather

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Temperatures trend during August in Sankt Gallen

See the weather trend as well as the moving average line
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August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /14° 19.2 mm 5
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /13° 12.5 mm 6
3 Aug. Patchy rain possible
Patchy rain possible
21° /14° 4.7 mm 5
4 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /12° 12.1 mm 5
5 Aug. Moderate rain at times
Moderate rain at times
21° /12° 5.9 mm 5
6 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /12° 14.7 mm 5
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /11° 6.8 mm 5
8 Aug. Sunny
Sunny
20° /11° 1.5 mm 5
9 Aug. Patchy rain possible
Patchy rain possible
22° /13° 0.7 mm 5
10 Aug. Partly cloudy
Partly cloudy
24° /13° 0 mm 7
11 Aug. Sunny
Sunny
26° /14° 0.4 mm 7
12 Aug. Moderate rain at times
Moderate rain at times
28° /15° 3.1 mm 6
13 Aug. Sunny
Sunny
26° /15° 0.7 mm 7
14 Aug. Moderate rain at times
Moderate rain at times
26° /16° 3.5 mm 6
15 Aug. Moderate rain at times
Moderate rain at times
25° /16° 1.6 mm 6
16 Aug. Cloudy
Cloudy
24° /16° 6.8 mm 6
17 Aug. Patchy rain possible
Patchy rain possible
24° /15° 9.4 mm 6
18 Aug. Partly cloudy
Partly cloudy
22° /14° 8.6 mm 6
19 Aug. Sunny
Sunny
22° /15° 2.1 mm 6
20 Aug. Sunny
Sunny
25° /14° 0 mm 6
21 Aug. Sunny
Sunny
24° /15° 1.7 mm 6
22 Aug. Sunny
Sunny
25° /14° 0.1 mm 7
23 Aug. Patchy rain possible
Patchy rain possible
27° /15° 0.2 mm 7
24 Aug. Sunny
Sunny
29° /16° 0.4 mm 7
25 Aug. Patchy light rain with thunder
Patchy light rain with thunder
22° /14° 10.2 mm 5
26 Aug. Patchy light rain with thunder
Patchy light rain with thunder
18° /13° 35.6 mm 5
27 Aug. Heavy rain
Heavy rain
18° /11° 56.5 mm 4
28 Aug. Heavy rain
Heavy rain
18° /11° 62.4 mm 4
29 Aug. Light rain shower
Light rain shower
18° /12° 19 mm 5
30 Aug. Patchy rain possible
Patchy rain possible
21° /11° 1 mm 5
31 Aug. Light rain shower
Light rain shower
21° /12° 2.7 mm 5
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Important Notice
Our weather forecast for Sankt Gallen in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sankt Gallen forecast closer to your planned date for the most up-to-date weather information.

Sankt Gallen in August - FAQ

What are the expected maximum and minimum temperatures in Sankt Gallen during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sankt Gallen during August?
Significant rainfall exceeding 481.3 mm is expected in Sankt Gallen during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sankt Gallen during August?
The average wind speed in Sankt Gallen during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Sankt Gallen in August?

As you prepare for your trip to Sankt Gallen in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Sankt Gallen, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

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Location coordinates Where is Sankt Gallen?

Get accurate weather forecasts for Sankt Gallen, located at latitude 47.424 and longitude 9.375. Stay updated with localized weather information tailored for Sankt Gallen.

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