World Resorts Switzerland St Gallen Weather

St Gallen weather in April

Weather in St Gallen: April

Average day temperature: 55.4°F
Average night temperature: 39.8°F
Sea water temperature: 48.0°F
Number of sunny days: 13 days
Day length: 12.8 - 14.4 hours
Number of rainy days: 5 days
Precipitation totals: 2.9 in.

Air temperature in April, °F

Show year:
2025
2024
2023

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

Show year:
2025
2024
2023

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.

Sunny, partly cloudy and cloudy days

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.

Wind speed in April, mph

The average wind speed value in April is 4.7 mph

Average sunny hours

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

Sunniest months:
August 16 days
October 15 days
September 14 days
Warmest months:
August 73.2 °F
July 72.9 °F
June 70.7 °F
Warmest sea temp:
August 69.7 °F
July 69.0 °F
September 65.0 °F
Coldest months:
January 37.4 °F
December 39.8 °F
February 40.9 °F
Rainiest months:
July 10 days
May 9 days
June 9 days
Windiest months:
January 5.0 mph
December 4.8 mph
February 4.8 mph

St Gallen on a weather map

St Gallen
+36°F
NE 1 mph
Feels like: +36°F
Precip.: 67%
Places in Switzerland:
Name
°F
+39°F
+36°F
+30°F
+27°F
+34°F
+28°F
+39°F
+39°F
+39°F
+41°F
+32°F
+30°F
+36°F
+14°F
+36°F
24 Hours Forecast
St Gallen
Local time: 06:30
December 05, friday
0900
36°F
E
2 mph
1200
36°F
E
1 mph
1500
36°F
SE
2 mph
1800
36°F
NE
1 mph
2100
36°F
NW
2 mph
December 06, saturday
0000
30°F
N
4 mph
0300
30°F
N
4 mph
0600
32°F
N
4 mph
Units of measurement: °C / °F