Weather in St Gallen: April
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Average day temperature: | 55.4°F |
| Average night temperature: | 39.8°F | |
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Sea water temperature: | 48.0°F |
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Number of sunny days: | 13 days |
| Day length: | 12.8 - 14.4 hours | |
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Number of rainy days: | 5 days |
| Precipitation totals: | 2.9 in. | |
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forecast
| St Gallen |
temperature
| St Gallen |
Air temperature in April, °F
The highest day temperature during April of 2025 was 68°F. At the same time the lowest night temperature was 26°F. Daily and nightly averages during April were 55.6°F and 38.5°F.
Sea water temperature in St Gallen in April, °F
The average sea water temperature in April of 2025 was 50.7°F. The highest and lowest sea temperatures during the month were 56.3°F and 44.8°F.
Number of sunny, partly cloudy and cloudy days in April is almost equal.
Precipitation total in April, in.
Precipitation total value in St Gallen in April is 3.3 in. Other months of the year show relatively similar values.
The average wind speed value in April is 4.7 mph It makes April one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 6.2.
Best time for vacation in St Gallen
St Gallen on a weather map
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