Saint Gallen (Sankt Gallen)
May
Weather in Saint Gallen for May 2025
Your guide to Saint Gallen weather in May - trends and predictions
In general, the average temperature in Saint 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.
Saint Gallen experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 207 mm.
Temperatures
Rain 🌧️
2
Dry days
29
Rainy days
0
Snow days
16°/8°
Temperatures
12 km/h
Avg max wind
82 %
Avg humidity
Saint 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 Saint Gallen weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Saint 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 Saint 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 Saint Gallen forecast closer to your planned date for the most up-to-date weather information.
Saint Gallen in May - FAQ
What are the expected maximum and minimum temperatures in Saint Gallen during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Gallen during May?
Significant rainfall exceeding 207 mm is expected in Saint Gallen during May, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Gallen during May?
The average wind speed in Saint Gallen during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Saint Gallen
Explore the daily rainfall trends and prepare for Saint Gallens May weather 💧
Provinces in Saint Gallen
Select a province for an accurate weather forecast
Top locations in Saint Gallen
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Saint Gallen?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.
Found a mistake?
We appreciate your attention to details. Tell us here.