June weather forecastSion, Switzerland
June weather for Sion, Switzerland: In June, in Sion, Switzerland, the rain falls for 25.3 days. On the last day of June, in Sion, sunrise is at 05:42 and sunset at 21:26 CEST.
June
Weather in June
In June, summer starts to settle in with the average temperatures now ranging between 4.3°C (39.7°F) to 13.9°C (57°F). The weather conditions are generally pleasant, encouraging outdoor activities and exploration of the picturesque Swiss landscapes. Despite rain being relatively less frequent, June records a significant amount of overall precipitation. This reflects the Swiss weather contrast, showcasing both sunlit and aqueous scenes in the same month.Temperature
With the onset of June, Sion's average high-temperature sees a rise, moving from May's chilly 8.7°C (47.7°F) to a moderate 13.9°C (57°F). Sion encounters an average low-temperature of 4.3°C (39.7°F) during June nights.Humidity
In Sion, the average relative humidity in June is 82%.Rainfall
In June, the rain falls for 25.3 days. Throughout June, 155mm (6.1") of precipitation is accumulated. Throughout the year, in Sion, there are 233.7 rainfall days, and 1378mm (54.25") of precipitation is accumulated.Snowfall
June through August are months without snowfall in Sion.Daylight
With an average of 15h and 42min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 05:41 and sunset at 21:14. On the last day of June, in Sion, sunrise is at 05:42 and sunset at 21:26 CEST.
Sunshine
The average sunshine in June is 9.6h.UV index
June and July, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 4 during June morphs into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Sion, Switzerland
- Average high temperature in June: 13.9°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 June: 4.3°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 June
Sion, Switzerland
- Average pressure in June: 1016.2mbar
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 June
Sion, Switzerland
- Average wind speed in June: 6.9km/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 June
Sion, Switzerland
- Average humidity in June: 82%
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 June
Sion, Switzerland
- Average rainfall in June: 155mm
The wettest month (with the highest rainfall) is May (177mm).
The driest month (with the least rainfall) is September (76mm).
Average rainfall days in June
Sion, Switzerland
- Average rainfall days in June: 25.3 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 June
Sion, Switzerland
- Average snowfall in June: 0mm
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 June
Sion, Switzerland
- Average snowfall days in June: 0 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 June /
Average sunshine in June
Sion, Switzerland
- Average daylight in June: 15h and 42min
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 June: 9h 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 June
Sion, Switzerland
- Average sunshine days in June: 2.8 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 June
Sion, Switzerland
- Average UV index in June: 4
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 June
Sion, Switzerland
- Average cloud cover in June: 46
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 June
Sion, Switzerland
- Average visibility in June: 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).
