Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
As March transitions into April, Saint-Jean notices a gentle rise in the average high-temperature, transitioning from an icy 0.7°C (33.3°F) to a still wintry 4.8°C (40.6°F). Throughout the month of April, the average temperature dips to a freezing cold -3.3°C (26.1°F) at night.Humidity
In April, the average relative humidity is 87%.Rainfall
In Saint-Jean, during April, the rain falls for 15.1 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, there are 159.9 rainfall days, and 1035mm (40.75") of precipitation is accumulated.Snowfall
Months with snowfall in Saint-Jean are January through December. In April, it is snowing for 15 days. Throughout April, 244mm (9.61") of snow is accumulated. Throughout the year, there are 129 snowfall days, and 4010mm (157.87") of snow is accumulated.Daylight
In Saint-Jean, the average length of the day in April is 13h and 35min.On the first day of the month, sunrise is at 07:08 and sunset at 19:58. On the last day of April, sunrise is at 06:16 and sunset at 20:37 CEST.
Sunshine
In April, the average sunshine is 7.6h.UV index
January, March, April and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 1 translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April?
What is the average humidity in April?
How much does it rain in Saint-Jean in April?
How much does it snow in April?
How many hours of daylight does Saint-Jean have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Saint-Jean have in April?
What is the month with the lowest UV index?
How high is the UV index in April?
Average temperature in April
Saint-Jean, Switzerland
- Average high temperature in April: 4.8°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.6°C).
- Average low temperature in April: -3.3°C
The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure in April
Saint-Jean, Switzerland
- Average pressure in April: 1015.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in April
Saint-Jean, Switzerland
- Average wind speed in April: 7.3km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in April
Saint-Jean, Switzerland
- Average humidity in April: 87%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in April
Saint-Jean, Switzerland
- Average rainfall in April: 57mm
The wettest month (with the highest rainfall) is May (126mm).
The driest months (with the least rainfall) are September and October (54mm).
Average rainfall days in April
Saint-Jean, Switzerland
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Saint-Jean, Switzerland
- Average snowfall in April: 244mm
The month with the highest snowfall is December (887mm).
The month with the least snowfall is July (5mm).
Average snowfall days in April
Saint-Jean, Switzerland
- Average snowfall days in April: 15 days
The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is August (0.4 days).
Average daylight in April /
Average sunshine in April
Saint-Jean, Switzerland
- Average daylight in April: 13h and 4min
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 April: 7h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Saint-Jean, Switzerland
- Average sunshine days in April: 5.8 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (4.2 days).
Average UV index in April
Saint-Jean, Switzerland
- Average UV index in April: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March, April and November (UV index 1).
Average cloud cover in April
Saint-Jean, Switzerland
- Average cloud cover in April: 50
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility in April
Saint-Jean, Switzerland
- Average visibility in April: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
