When is the best time to go to Sion?

When is the best time to go to Sion? Here's some information to help you in your decision:

  • The best months in Sion are June, July, August and September
  • The coldest months are January and February
  • The rainiest months are May and June


Annual weather in Sion

Infographic of the best times to visit Sion
Infographic of the best times to visit Sion ©whereandwhen.net

Weather details in Sion month by month

To get all the information about the climate and weather in Sion for a specific month, click on the corresponding link below:

January February March April May June July August September October November December



Weather and climate in Sion

Sion enjoys a tundra climate in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Sion is 45°F (ranging from 29°F in january to 63°F in august). Annual rainfall is 124.1in, with a minimum of 6.7in in october and a maximum of 17.4in in may.
  • Between january and may the climate is very unfavorable. The record temperature this month is 68°F and it rains in may about 17.4in.
  • From june to july the climate is correct. By early evening, the temperature averages 56°F and it rains about 13.3in each month.
  • Between the months of august and september the climate is favorable. At lunchtime, it's 56°F in average and it rains about 35% of the time in september.
  • Between october and december the climate is the worst possible. the thermometer goes up to 31°F°C.

Sion :



Charts: temperature and rainfall in Sion

In the charts below, you can see the following seasonal norms for the city of Sion: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity


Peak visitor numbers and tourist seasons in Sion

Find out when Sion has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Sion

  • Very low season in Sion
    The months with the lowest number of tourists are: January, March, April and November.
  • Low season in Sion
    The months with low numbers of tourists are: February, May, June, October and December.
  • High season in Sion
    The number of visitors to Sion is high in: September.
  • Peak season in Sion
    The largest number of tourists visiting Sion is during: July and August.

Figure: Visitor index for Sion month by month



Best time for low prices in Sion

Average prices of hotels in Sion month by month

Generally, November is the month with the lowest hotel prices in Sion. So this is a great time to save on your holiday! In contrast, February is statistically the most expensive month of the year for hotels.

Find the best price for your hotel room

Average price for flights to Sion

A return flight between London and Sion is generally cheaper if you go in november ($ 627 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 631 more for your airline ticket to Sion if you go in august.

Find the best price for your flight

Average price of hiring a car in Sion

On average, it costs $ 86 per day to hire a car in Sion. This price varies by $ 75 depending on the month. In november, hiring a car costs an average of $ 55 per 24 hours, so this is the best time to save money! In contrast, the average price in july is $ 130.

Find the best price for your car rental


Other cities and places near Sion

Best time to go to Switzerland

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