The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
Unterterzen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Unterterzen.
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Climate overview of Unterterzen
Temperatures in Unterterzen, St.Gallen Canton, Switzerland, vary greatly throughout the year. July is the hottest month at 21°C (70°F), while January is the coldest at 1°C (34°F).
Rain/snowfall is high, totalling around 2203 mm (87 in) per year. June is the wettest month and January the driest. The city also experiences a distinct rainy season from May to September, with pleasant summers and very cold winters. The sunniest month is August, with 5.7 hours of sunshine per day on average.
Unterterzen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Unterterzen - and find the best time to visit.
Monthly Temperature in Unterterzen
The climate in Unterterzen is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in July, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like January.
At night, you can expect temperatures ranging from 10°C (50°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Unterterzen
Unterterzen has a notably wet climate with abundant precipitation, recording 2203 mm (87 in) of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 275 mm (11 in) of precipitation, spread over 19 rainy days.
In contrast, the driest month January experiences a drier climate, with about 129 mm (5.1 in) of snowfall spread across 16 snowy days. For more details, please visit our Unterterzen Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Unterterzen
While the amount of sunshine in Unterterzen varies throughout the year, all seasons offer their own charm. Enjoy up to 5.7 hours of daily sun in August, and experience slightly darker atmosphere in December, with about 3.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Säntis (the highest mountain in the Alpstein massif), Switzerland (13 KM, 8 Miles).
Daily hours of sunshine
Data from: Säntis (the highest mountain in the Alpstein massif), Switzerland (13 KM, 8 Miles).
Humidity in Unterterzen by Month
The relative humidity is high throughout the year in Unterterzen.
The city experiences its highest humidity in June, reaching 85%. In January, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Säntis (the highest mountain in the Alpstein massif), Switzerland (13 KM, 8 Miles).
Wind Speed in Unterterzen
The mean wind speed over the year ranges from 5 m/s (10 knots) in April, May and June to 8 m/s (16 knots) in January. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Säntis (the highest mountain in the Alpstein massif), Switzerland (13 KM, 8 Miles).
Best Time to Visit Unterterzen
No single month stands out for weather in Unterterzen, as conditions remain fairly consistent throughout the year.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
wet
Apr
wet
May
very wet
Jun
very wet
Jul
very wet
Aug
very wet
Sep
wet
Oct
wet
Nov
wet
Dec
cold
- Warmest weather: July and August
- Most sunshine: April, May, July and August
- Seasonal pattern: A distinct rainy season from May to September, with pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Unterterzen
What is the best time to visit Unterterzen?
Unterterzen has a distinct rainy season from May to September, with pleasant summers and very cold winters.
What temperatures can I expect in Unterterzen?
Daytime highs range from 1°C (34°F) in January to 21°C (70°F) in July. Nighttime lows range from -7°C (19°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Unterterzen get?
Annual rainfall is around 2203 mm (87 in). June is the wettest month with 275 mm (11 in), while January is the driest with 129 mm (5.1 in).
How sunny is Unterterzen?
Unterterzen receives around 1,786 hours of sunshine per year. August is the sunniest month with 170 hours, while December is the cloudiest with just 112 hours.
Unterterzen 3-Day Forecast
Unterterzen on the map
Unterterzen is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Zürich
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