Weather in Saint Gallen for August 2025
In general, the average temperature in Saint 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.
Saint 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 Saint Gallen? check out the best time to travel to Saint Gallen page.
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Saint Gallen in August average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 21° | 2 25° | 3 21° | ||||
4 19° | 5 21° | 6 19° | 7 20° | 8 20° | 9 22° | 10 24° |
11 26° | 12 28° | 13 26° | 14 26° | 15 25° | 16 24° | 17 24° |
18 22° | 19 22° | 20 25° | 21 24° | 22 25° | 23 27° | 24 29° |
25 22° | 26 18° | 27 18° | 28 18° | 29 18° | 30 21° | 31 21° |
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Temperatures trend during August in Saint Gallen
August weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Aug. | Moderate or heavy rain shower | 21° /14° | 19.2 mm | 5 | |
2 Aug. | Moderate or heavy rain shower | 25° /13° | 12.5 mm | 6 | |
3 Aug. | Patchy rain possible | 21° /14° | 4.7 mm | 5 | |
4 Aug. | Moderate or heavy rain shower | 19° /12° | 12.1 mm | 5 | |
5 Aug. | Moderate rain at times | 21° /12° | 5.9 mm | 5 | |
6 Aug. | Moderate or heavy rain shower | 19° /12° | 14.7 mm | 5 | |
7 Aug. | Moderate or heavy rain shower | 20° /11° | 6.8 mm | 5 | |
8 Aug. | Sunny | 20° /11° | 1.5 mm | 5 | |
9 Aug. | Patchy rain possible | 22° /13° | 0.7 mm | 5 | |
10 Aug. | Partly cloudy | 24° /13° | 0 mm | 7 | |
11 Aug. | Sunny | 26° /14° | 0.4 mm | 7 | |
12 Aug. | Moderate rain at times | 28° /15° | 3.1 mm | 6 | |
13 Aug. | Sunny | 26° /15° | 0.7 mm | 7 | |
14 Aug. | Moderate rain at times | 26° /16° | 3.5 mm | 6 | |
15 Aug. | Moderate rain at times | 25° /16° | 1.6 mm | 6 | |
16 Aug. | Cloudy | 24° /16° | 6.8 mm | 6 | |
17 Aug. | Patchy rain possible | 24° /15° | 9.4 mm | 6 | |
18 Aug. | Partly cloudy | 22° /14° | 8.6 mm | 6 | |
19 Aug. | Sunny | 22° /15° | 2.1 mm | 6 | |
20 Aug. | Sunny | 25° /14° | 0 mm | 6 | |
21 Aug. | Sunny | 24° /15° | 1.7 mm | 6 | |
22 Aug. | Sunny | 25° /14° | 0.1 mm | 7 | |
23 Aug. | Patchy rain possible | 27° /15° | 0.2 mm | 7 | |
24 Aug. | Sunny | 29° /16° | 0.4 mm | 7 | |
25 Aug. | Patchy light rain with thunder | 22° /14° | 10.2 mm | 5 | |
26 Aug. | Patchy light rain with thunder | 18° /13° | 35.6 mm | 5 | |
27 Aug. | Heavy rain | 18° /11° | 56.5 mm | 4 | |
28 Aug. | Heavy rain | 18° /11° | 62.4 mm | 4 | |
29 Aug. | Light rain shower | 18° /12° | 19 mm | 5 | |
30 Aug. | Patchy rain possible | 21° /11° | 1 mm | 5 | |
31 Aug. | Light rain shower | 21° /12° | 2.7 mm | 5 | |
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Saint Gallen in August - FAQ
What to pack to Saint Gallen in August?
As you prepare for your trip to Saint 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 Saint 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
August rainfall patterns in Saint Gallen
UV exposure in Saint Gallen during August
Quick links
Get accurate weather forecasts for Saint Gallen, located at latitude 47.424 and longitude 9.375. Stay updated with localized weather information tailored for Saint Gallen.