October weather forecastSion, Switzerland
October weather for Sion, Switzerland: October 2024, at 03:00, Daylight Saving Time ends in Sion, Switzerland, and the time zone changes from CEST to CET. In Sion, Switzerland, during October, the rain falls for 15 days and regularly aggregates up to 80mm (3.15") of precipitation.
October
Weather in October
October's weather in Sion, Switzerland bears the true mark of autumn. Despite cooler temperatures, the city often enjoys bright, clear days amid colourful vistas of turning leaves. This is the period where the wind speed starts to pick up slightly, adding to the cool feel of the weather. It should be noted that precipitation may remain relatively constant, adding a sense of moist freshness to the ambient climate.Temperature
October in Sion brings a slight decrease in the average high-temperature, shifting from a fresh 12.3°C (54.1°F) in September to a frosty 8.3°C (46.9°F). Sion encounters an average low-temperature of -0.2°C (31.6°F) during October nights.Humidity
In Sion, Switzerland, the average relative humidity in October is 80%.Rainfall
In Sion, Switzerland, during October, the rain falls for 15 days and regularly aggregates up to 80mm (3.15") of precipitation. Throughout the year, there are 233.7 rainfall days, and 1378mm (54.25") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Sion, in October, snow falls for 0.3 days, with typically accumulated 8mm (0.31") of snow. Throughout the year, there are 40.9 snowfall days, and 716mm (28.19") of snow is accumulated.Daylight
In October, the average length of the day in Sion, Switzerland, is 10h and 55min.On the first day of the month, sunrise is at 07:29 and sunset at 19:10 CEST. On the last day of October, in Sion, Switzerland, sunrise is at 07:10 and sunset at 17:17 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
In Sion, the average sunshine in October is 6.6h.UV index
In Sion, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in October interprets into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Sion, Switzerland
- Average high temperature in October: 8.3°C
The warmest month (with the highest average high temperature) is August (16.7°C).
The month with the lowest average high temperature is January (-2.5°C).
- Average low temperature in October: -0.2°C
The month with the highest average low temperature is August (6.4°C).
The coldest months (with the lowest average low temperature) are January and February (-11°C).
Average pressure in October
Sion, Switzerland
- Average pressure in October: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in October
Sion, Switzerland
- Average wind speed in October: 7.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in October
Sion, Switzerland
- Average humidity in October: 80%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in October
Sion, Switzerland
- Average rainfall in October: 80mm
The wettest month (with the highest rainfall) is May (177mm).
The driest month (with the least rainfall) is September (76mm).
Average rainfall days in October
Sion, Switzerland
- Average rainfall days in October: 15 days
The month with the highest number of rainy days is May (25.8 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in October
Sion, Switzerland
- Average snowfall in October: 8mm
The month with the highest snowfall is February (167mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in October
Sion, Switzerland
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Sion, Switzerland
- Average daylight in October: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in October: 6h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in October
Sion, Switzerland
- Average sunshine days in October: 13.5 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (2.8 days).
Average UV index in October
Sion, Switzerland
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in October
Sion, Switzerland
- Average cloud cover in October: 37
The months with the most cloud cover are February and March (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 37).
Average visibility in October
Sion, Switzerland
- Average visibility in October: 8km
The months with the highest visibility are June, July, August, October and November (8km).
The months with the lowest visibility are January, February and March (6km).
