March weather forecastSion, Switzerland
March
Weather in March
Transitioning into the warmer months, March sees a slight rise in average temperatures which now range from -7.7°C (18.1°F) to 0.9°C (33.6°F). The month is characterized by increased daylight hours and a decrease in snowfall compared to February. Although the chill remains, some thermometers may register marginally positive readings on certain days. Moreover, the climbing humidity levels might give a feel of added cold. Remember, it's still a good time for visitors keen on winter activities.Temperature
March brings a slight elevation in the average high-temperature, transitioning from February's freezing cold -2.3°C (27.9°F) to a wintry 0.9°C (33.6°F). Sion throughout March, records an average low-temperature of -7.7°C (18.1°F).Humidity
March is the most humid month, with an average relative humidity of 90%.Rainfall
In March, in Sion, the rain falls for 19.1 days. Throughout March, 101mm (3.98") of precipitation is accumulated. Throughout the year, there are 233.7 rainfall days, and 1378mm (54.25") of precipitation is accumulated.Snowfall
Months with snowfall in Sion are January through May, September through December. In Sion, in March, snow falls for 7.2 days, with typically accumulated 120mm (4.72") of snow. Throughout the year, there are 40.9 snowfall days, and 716mm (28.19") of snow is accumulated.Daylight
In March, the average length of the day in Sion is 11h and 56min.On the first day of the month, sunrise is at 07:08 and sunset at 18:17. On the last day of March, in Sion, sunrise is at 06:10 and sunset at 18:58 CET.
Sunshine
The average sunshine in March is 5.7h.UV index
The average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in March suggests the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Sion, Switzerland
- Average high temperature in March: 0.9°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 March: -7.7°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 March
Sion, Switzerland
- Average pressure in March: 1016.8mbar
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 March
Sion, Switzerland
- Average wind speed in March: 8.1km/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 March
Sion, Switzerland
- Average humidity in March: 90%
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 March
Sion, Switzerland
- Average rainfall in March: 101mm
The wettest month (with the highest rainfall) is May (177mm).
The driest month (with the least rainfall) is September (76mm).
Average rainfall days in March
Sion, Switzerland
- Average rainfall days in March: 19.1 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 March
Sion, Switzerland
- Average snowfall in March: 120mm
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 March
Sion, Switzerland
- Average snowfall days in March: 7.2 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 March /
Average sunshine in March
Sion, Switzerland
- Average daylight in March: 11h 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 March: 5h and 42min
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 March
Sion, Switzerland
- Average sunshine days in March: 7.5 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 March
Sion, Switzerland
- Average UV index in March: 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 March
Sion, Switzerland
- Average cloud cover in March: 53
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 March
Sion, Switzerland
- Average visibility in March: 6km
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).
