April weather forecastSion, Netherlands
April
Weather in April
April in Sion, Netherlands, is a cool spring month, with an average temperature ranging between min 7.3°C (45.1°F) and max 12.7°C (54.9°F).Temperature
A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a frosty 9°C (48.2°F) in March to a fresh 12.7°C (54.9°F). An average nighttime temperature of 7.3°C (45.1°F) is noted in Sion, Netherlands, during the month of April.Humidity
The months with the lowest humidity in Sion are April and August, with an average relative humidity of 75%.Rainfall
The month with the least rainfall is April, when the rain falls for 12.3 days and typically collects 18mm (0.71") of precipitation.Snowfall
January through April, November and December are months with snowfall in Sion. April is the last month it regularly snows. During 0.3 snowfall days, in April, Sion aggregates 1mm (0.04") of snow. In Sion, during the entire year, snow falls for 10.4 days and aggregates up to 55mm (2.17") of snow.Daylight
The average length of the day in April is 13h and 56min.On the first day of the month, sunrise is at 07:15 and sunset at 20:16. On the last day of April, in Sion, sunrise is at 06:13 and sunset at 21:06 CEST.
Sunshine
In April, the average sunshine in Sion is 8.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the UV index of 3 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sion, Netherlands
- Average high temperature in April: 12.7°C
The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in April: 7.3°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in April
Sion, Netherlands
- Average pressure in April: 1015.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in April
Sion, Netherlands
- Average wind speed in April: 16.7km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in April
Sion, Netherlands
- Average humidity in April: 75%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in April
Sion, Netherlands
- Average rainfall in April: 18mm
The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in April
Sion, Netherlands
- Average rainfall days in April: 12.3 days
The months with the highest number of rainy days are August and December (19.8 days).
The month with the least rainy days is April (12.3 days).
Average snowfall in April
Sion, Netherlands
- Average snowfall in April: 1mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Sion, Netherlands
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Sion, Netherlands
- Average daylight in April: 13h and 54min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in April: 8h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in April
Sion, Netherlands
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (7.1 days).
Average UV index in April
Sion, Netherlands
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Sion, Netherlands
- Average cloud cover in April: 39
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Sion, Netherlands
- Average visibility in April: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
