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.
Heiden Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Heiden.
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Climate overview of Heiden
Temperatures in Heiden, Appenzell Ausserrhoden, Switzerland, vary greatly throughout the year. July is the hottest month at 24°C (75°F), while January is the coldest at 4°C (39°F).
The city has a wet climate, receiving around 1600 mm (63 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from June to August, with warm summers and cold winters. June is the wettest month. Sunshine peaks in July, when the city sees around 7.6 hours of sunshine per day.
Heiden Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Heiden - and find the best time to visit.
Monthly Temperature in Heiden
The climate in Heiden is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 4°C (39°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Heiden
Heiden has a notably wet climate with abundant precipitation, recording 1600 mm (63 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 183 mm (7.2 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 101 mm (4 in) of snow/rainfall. For more details, please visit our Heiden 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 Heiden
In Heiden, summer days are longer and more sunny, with daily sunshine hours peaking at 7.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: St. Gallen, Switzerland (11 KM, 7 Miles).
Daily hours of sunshine
Data from: St. Gallen, Switzerland (11 KM, 7 Miles).
Daily percentage of sunshine
Data from: St. Gallen, Switzerland (11 KM, 7 Miles).
Humidity in Heiden by Month
The relative humidity is high throughout the year in Heiden.
The city experiences its highest humidity in November, reaching 82%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: St. Gallen, Switzerland (11 KM, 7 Miles).
Best Time to Visit Heiden
Conditions in Heiden are generally most comfortable in July and August. They are typically least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
wet
Mar
wet
Apr
mixed
May
good
Jun
good
Jul
very good
Aug
very good
Sep
good
Oct
mixed
Nov
wet
Dec
wet
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: A distinct rainy season from June to August, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Heiden
What is the best time to visit Heiden?
July and August typically offer the most optimal weather in Heiden. In contrast, January, February, March, November and December tend to have less optimal conditions. Heiden has a distinct rainy season from June to August, with warm summers and cold winters.
What temperatures can I expect in Heiden?
Daytime highs range from 4°C (39°F) in January to 24°C (75°F) in July. Nighttime lows range from -3°C (27°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Heiden get?
Annual rainfall is around 1600 mm (63 in). June is the wettest month with 183 mm (7.2 in), while January is the driest with 101 mm (4 in).
How sunny is Heiden?
Heiden receives around 1,632 hours of sunshine per year. July is the sunniest month with 229 hours, while December is the cloudiest with just 48 hours.
Heiden 3-Day Forecast
Heiden on the map
Heiden 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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