Sankt Gallen weather by month & the best time to visit
Switzerland · small town · oceanic / maritime climate
The best time to visit Sankt Gallen is September — its sunniest month (Sunshine Score 69/100), with June and July close behind. Sankt Gallen averages about 1,913 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 116 mm of rain in September.
When is the best time to visit Sankt Gallen?
For sunshine, the best time to visit Sankt Gallen is September, then June and July. The dullest month is January (0/100, 99 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sankt Gallen?
Sankt Gallen gets a moderate 1,913 hours of sunshine a year. 69 Sunshine Score points separate September (69) from January (0), so the month you pick matters. It ranks #4 of 5 destinations in Switzerland for annual sunshine, below the national median of 2,055 hours. The year's 1,399 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 4° / 39°F | -2° / 28°F | 99 mm | 1 |
| February | 0 | 5° / 41°F | -2° / 28°F | 77 mm | 1 |
| March | 12 | 10° / 50°F | 2° / 36°F | 95 mm | 2 |
| April | 43 | 15° / 59°F | 6° / 43°F | 92 mm | 4 |
| May | 58 | 19° / 66°F | 10° / 50°F | 147 mm | 5 |
| June | 62 | 23° / 73°F | 14° / 57°F | 156 mm | 6 |
| July | 62 | 24° / 75°F | 16° / 61°F | 157 mm | 6 |
| August | 62 | 24° / 75°F | 16° / 61°F | 166 mm | 5 |
| September | 69 | 20° / 68°F | 12° / 54°F | 116 mm | 4 |
| October | 48 | 16° / 61°F | 7° / 45°F | 101 mm | 2 |
| November | 6 | 9° / 48°F | 3° / 37°F | 89 mm | 1 |
| December | 0 | 5° / 41°F | -1° / 30°F | 104 mm | 0 |
Sankt Gallen: questions and answers
What kind of destination is Sankt Gallen?
Sankt Gallen is a small town in Switzerland at 396 m elevation with a oceanic / maritime climate.
How many hours of sunshine does Sankt Gallen get a year?
Sankt Gallen gets about 1,913 hours of sunshine a year, at its best around September.
When is the best time to visit Sankt Gallen?
The sunniest time to visit Sankt Gallen is September, when the Sunshine Score peaks at 69/100 (with June and July close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Sankt Gallen?
January is the least sunny month in Sankt Gallen, scoring 0/100 with about 99 mm of rain.
How strong is the sun in Sankt Gallen?
The typical midday UV index in Sankt Gallen peaks around 6 (high) in June, easing to about 0 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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