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
Weather in April
Temperature
In April, the meteorological conditions subtly change with the average high-temperature edging from a frosty 8.1°C (46.6°F) in March to a fresh 12.5°C (54.5°F). Saint-Ismier cools down to an average low-temperature of 3.2°C (37.8°F) throughout the month of April.Humidity
In Saint-Ismier, the average relative humidity in April is 78%.Rainfall
In Saint-Ismier, France, during April, the rain falls for 11.9 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 126.9 rainfall days, and 430mm (16.93") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Saint-Ismier. In Saint-Ismier, France, in April, during 3.6 snowfall days, 50mm (1.97") of snow is typically accumulated. Throughout the year, there are 56.6 snowfall days, and 906mm (35.67") of snow is accumulated.Daylight
In April, the average length of the day in Saint-Ismier, France, is 13h and 32min.On the first day of April, sunrise is at 07:15 and sunset at 20:04. On the last day of the month, sunrise is at 06:25 and sunset at 20:41 CEST.
Sunshine
In Saint-Ismier, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index in Saint-Ismier is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are April temperatures in Saint-Ismier?
What is the average humidity in April in Saint-Ismier?
How many days does it rain in April in Saint-Ismier?
How many days does it snow in April in Saint-Ismier?
How many hours of daylight does Saint-Ismier have in April?
When is the sunrise / sunset in April in Saint-Ismier?
How long on average sun shines in April in Saint-Ismier?
How high is the UV index in April in Saint-Ismier?
Average temperature in April
Saint-Ismier, France
- Average high temperature in April: 12.5°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in April: 3.2°C
The months with the highest average low temperature are July and August (11.2°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).
Average pressure in April
Saint-Ismier, France
- Average pressure in April: 1015mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in April
Saint-Ismier, France
- Average wind speed in April: 7.3km/h
The windiest month (with the highest average wind speed) is February (8km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in April
Saint-Ismier, France
- Average humidity in April: 78%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
Saint-Ismier, France
- Average rainfall in April: 32mm
The wettest month (with the highest rainfall) is December (50mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in April
Saint-Ismier, France
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Saint-Ismier, France
- Average snowfall in April: 50mm
The month with the highest snowfall is December (197mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Saint-Ismier, France
- Average snowfall days in April: 3.6 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Saint-Ismier, France
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in April
Saint-Ismier, France
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in April
Saint-Ismier, France
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Saint-Ismier, France
- Average cloud cover in April: 39
The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Saint-Ismier, France
- Average visibility in April: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).
Saint-Ismier, France
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