Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
A modest decline in the average high-temperature is seen during October, decreasing from a refreshing 14.3°C (57.7°F) in September to a fresh 10.2°C (50.4°F). Throughout October, the nighttime temperature in Sainte-Hélène-sur-Isère averages to an icy 0.8°C (33.4°F).Humidity
The average relative humidity in October is 76%.Rainfall
In Sainte-Hélène-sur-Isère, in October, it is raining for 9.4 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, there are 157.7 rainfall days, and 923mm (36.34") of precipitation is accumulated.Snowfall
Months with snowfall in Sainte-Hélène-sur-Isère are January through December. In Sainte-Hélène-sur-Isère, France, during October, snow falls for 3.9 days and regularly aggregates up to 102mm (4.02") of snow. In Sainte-Hélène-sur-Isère, during the entire year, snow falls for 102.7 days and aggregates up to 3628mm (142.83") of snow.Daylight
The average length of the day in October is 10h and 56min.On the first day of October, sunrise is at 07:33 and sunset at 19:14 CEST. On the last day of the month, sunrise is at 07:13 and sunset at 17:22 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
The average sunshine in October in Sainte-Hélène-sur-Isère, France, is 7.2h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in October transforms into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sainte-Hélène-sur-Isère in October?
What is the average humidity in October in Sainte-Hélène-sur-Isère?
How many days does it rain in October in Sainte-Hélène-sur-Isère?
How many days does it snow in October in Sainte-Hélène-sur-Isère?
What is the average length of the day in October in Sainte-Hélène-sur-Isère?
What time are sunrise and sunset in October in Sainte-Hélène-sur-Isère?
When does Daylight Saving Time (DST) end in October in Sainte-Hélène-sur-Isère?
How many hours of sunshine does Sainte-Hélène-sur-Isère have in October?
What is the UV index reading in October in Sainte-Hélène-sur-Isère?
Average temperature in October
Sainte-Hélène-sur-Isère, France
- Average high temperature in October: 10.2°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 October: 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 October
Sainte-Hélène-sur-Isère, France
- Average pressure in October: 1017.9mbar
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 October
Sainte-Hélène-sur-Isère, France
- Average wind speed in October: 6.8km/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 October
Sainte-Hélène-sur-Isère, France
- Average humidity in October: 76%
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 October
Sainte-Hélène-sur-Isère, France
- Average rainfall in October: 43mm
The wettest month (with the highest rainfall) is December (121mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in October
Sainte-Hélène-sur-Isère, France
- Average rainfall days in October: 9.4 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 October
Sainte-Hélène-sur-Isère, France
- Average snowfall in October: 102mm
The month with the highest snowfall is December (934mm).
The month with the least snowfall is July (1mm).
Average snowfall days in October
Sainte-Hélène-sur-Isère, France
- Average snowfall days in October: 3.9 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 October /
Average sunshine in October
Sainte-Hélène-sur-Isère, France
- Average daylight in October: 10h 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 October: 7h and 1min
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 October
Sainte-Hélène-sur-Isère, France
- Average sunshine days in October: 17.2 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 October
Sainte-Hélène-sur-Isère, France
- Average UV index in October: 2
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 October
Sainte-Hélène-sur-Isère, France
- Average cloud cover in October: 30
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 October
Sainte-Hélène-sur-Isère, France
- Average visibility in October: 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).
