Sankt Gallen
May
Weather in Sankt Gallen for May 2025
Your guide to Sankt Gallen weather in May - trends and predictions
In general, the average temperature in Sankt Gallen at the beginning of May is 15.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18 °C by the end of May.
Expect significant rainfall in Sankt Gallen during May, with an average of 18 rainy days.
Is May 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.
13
Dry days
18
Rainy days
0
Snow days
18°/7°
Temperatures
13 km/h
Avg max wind
83 %
Avg humidity
Sankt Gallen in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2  13° | 3  14° | 4  16° | |||
| 5  17° | 6 17° | 7 14° | 8 12° | 9 16° | 10 15° | 11 14° |
| 12 16° | 13 15° | 14 17° | 15 16° | 16 13° | 17 12° | 18 15° |
| 19 17° | 20 18° | 21  16° | 22 18° | 23 14° | 24 14° | 25 17° |
| 26 19° | 27 19° | 28 19° | 29 19° | 30 17° | 31 16° |
You can click on date
Access Sankt Gallen weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Sankt Gallen
See the weather trend as well as the moving average line
May weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate or heavy rain shower | 15° /7° | 3.9 mm | 4 | |
| 2 May | Heavy rain at times | 13° /6° | 7 mm | 3 | |
| 3 May | Cloudy | 14° /5° | 1.8 mm | 4 | |
| 4 May | Partly cloudy | 16° /6° | 0.8 mm | 4 | |
| 5 May | Patchy rain possible | 17° /8° | 3.6 mm | 4 | |
| 6 May | Patchy rain possible | 17° /8° | 6.2 mm | 4 | |
| 7 May | Patchy rain possible | 14° /8° | 4.5 mm | 4 | |
| 8 May | Moderate or heavy rain shower | 12° /9° | 17.4 mm | 3 | |
| 9 May | Patchy rain possible | 16° /7° | 7.8 mm | 4 | |
| 10 May | Moderate or heavy rain shower | 15° /6° | 14.3 mm | 4 | |
| 11 May | Moderate or heavy rain shower | 14° /6° | 5.8 mm | 4 | |
| 12 May | Patchy rain possible | 16° /7° | 1.2 mm | 4 | |
| 13 May | Moderate rain at times | 15° /8° | 3.1 mm | 4 | |
| 14 May | Moderate rain at times | 17° /6° | 4.8 mm | 4 | |
| 15 May | Heavy rain at times | 16° /8° | 8.6 mm | 4 | |
| 16 May | Moderate or heavy rain shower | 13° /7° | 20 mm | 4 | |
| 17 May | Patchy rain possible | 12° /5° | 13.2 mm | 3 | |
| 18 May | Partly cloudy | 15° /5° | 7.5 mm | 4 | |
| 19 May | Patchy rain possible | 17° /6° | 2 mm | 4 | |
| 20 May | Patchy rain possible | 18° /8° | 2.6 mm | 5 | |
| 21 May | Overcast | 16° /8° | 4.1 mm | 4 | |
| 22 May | Moderate rain at times | 18° /9° | 5 mm | 4 | |
| 23 May | Moderate or heavy rain shower | 14° /9° | 6.3 mm | 4 | |
| 24 May | Patchy rain possible | 14° /7° | 5.8 mm | 4 | |
| 25 May | Cloudy | 17° /7° | 3.1 mm | 4 | |
| 26 May | Cloudy | 19° /10° | 0.7 mm | 4 | |
| 27 May | Cloudy | 19° /9° | 8.2 mm | 5 | |
| 28 May | Partly cloudy | 19° /8° | 3.6 mm | 5 | |
| 29 May | Overcast | 19° /8° | 1.9 mm | 5 | |
| 30 May | Patchy rain possible | 17° /9° | 17.4 mm | 4 | |
| 31 May | Cloudy | 16° /8° | 14.8 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Sankt Gallen in May 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 May - FAQ
What are the expected maximum and minimum temperatures in Sankt Gallen during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sankt Gallen during May?
Significant rainfall exceeding 319 mm is expected in Sankt Gallen during May, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sankt Gallen during May?
The average wind speed in Sankt Gallen during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Sankt Gallen in May?
As you prepare for your trip to Sankt Gallen in May, 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 May, 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
- 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
Quick links
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.