Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the onset of May, the average high-temperature subtly transitions from a frosty 6.8°C (44.2°F) in April to a cool 10.3°C (50.5°F). Throughout the month of May, the nighttime temperature dips to an average of 0.8°C (33.4°F).Humidity
In May, the average relative humidity in Sainte-Hélène-sur-Isère is 83%.Rainfall
In Sainte-Hélène-sur-Isère, in May, it is raining for 21.4 days, with typically 109mm (4.29") of accumulated precipitation. In Sainte-Hélène-sur-Isère, during the entire year, the rain falls for 157.7 days and collects up to 923mm (36.34") of precipitation.Snowfall
Months with snowfall in Sainte-Hélène-sur-Isère are January through December. In May, in Sainte-Hélène-sur-Isère, France, it is snowing for 6.8 days. Throughout May, 168mm (6.61") of snow is accumulated. Throughout the year, in Sainte-Hélène-sur-Isère, there are 102.7 snowfall days, and 3628mm (142.83") of snow is accumulated.Daylight
In Sainte-Hélène-sur-Isère, the average length of the day in May is 14h and 56min.On the first day of May, sunrise is at 06:21 and sunset at 20:41. On the last day of the month, sunrise is at 05:49 and sunset at 21:15 CEST.
Sunshine
The average sunshine in May in Sainte-Hélène-sur-Isère, France, is 9.3h.UV index
In Sainte-Hélène-sur-Isère, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 during May translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are the temperatures in Sainte-Hélène-sur-Isère in May?
What is the average humidity in May in Sainte-Hélène-sur-Isère?
How many days does it rain in May in Sainte-Hélène-sur-Isère?
How many days does it snow in May in Sainte-Hélène-sur-Isère?
How many hours of daylight does Sainte-Hélène-sur-Isère have in May?
When are sunrise and sunset in May in Sainte-Hélène-sur-Isère?
How many hours of sunshine does Sainte-Hélène-sur-Isère have in May?
What is the UV index reading in May in Sainte-Hélène-sur-Isère?
Average temperature in May
Sainte-Hélène-sur-Isère, France
- Average high temperature in May: 10.3°C
The warmest month (with the highest average high temperature) is August (18.5°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in May: 0.8°C
The month with the highest average low temperature is August (6.5°C).
The coldest months (with the lowest average low temperature) are January and February (-11.3°C).
Average pressure in May
Sainte-Hélène-sur-Isère, France
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in May
Sainte-Hélène-sur-Isère, France
- Average wind speed in May: 6.6km/h
The windiest month (with the highest average wind speed) is November (7.3km/h).
The calmest month (with the lowest average wind speed) is September (5.8km/h).
Average humidity in May
Sainte-Hélène-sur-Isère, France
- Average humidity in May: 83%
The months with the highest relative humidity are February and March (88%).
The month with the lowest relative humidity is August (73%).
Average rainfall in May
Sainte-Hélène-sur-Isère, France
- Average rainfall in May: 109mm
The wettest month (with the highest rainfall) is December (121mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in May
Sainte-Hélène-sur-Isère, France
- Average rainfall days in May: 21.4 days
The month with the highest number of rainy days is June (22.3 days).
The month with the least rainy days is December (5.8 days).
Average snowfall in May
Sainte-Hélène-sur-Isère, France
- Average snowfall in May: 168mm
The month with the highest snowfall is December (934mm).
The month with the least snowfall is July (1mm).
Average snowfall days in May
Sainte-Hélène-sur-Isère, France
- Average snowfall days in May: 6.8 days
The month with the highest number of snowfall days is March (17.4 days).
The month with the least snowfall days is August (0.1 days).
Average daylight in May /
Average sunshine in May
Sainte-Hélène-sur-Isère, France
- Average daylight in May: 14h and 5min
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 May: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Sainte-Hélène-sur-Isère, France
- Average sunshine days in May: 4.3 days
The month with the most sunshine days is October (17.2 days).
The months with the least sunshine days are May and June (4.3 days).
Average UV index in May
Sainte-Hélène-sur-Isère, France
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Sainte-Hélène-sur-Isère, France
- Average cloud cover in May: 44
The months with the most cloud cover are February and May (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Sainte-Hélène-sur-Isère, France
- Average visibility in May: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (8km).
The months with the lowest visibility are January, February, March and December (7km).
Sainte-Hélène-sur-Isère, France
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