Climate and monthly weather forecastSainte-Hélène-sur-Isère, France
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sainte-Hélène-sur-Isère, France, is a freezing cold winter month, with an average temperature varying between -1.3°C (29.7°F) and -11.3°C (11.7°F). January, with its average high-temperature of -1.3°C (29.7°F) and an average low-temperature of -11.3°C (11.7°F), holds the record as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Sainte-Hélène-sur-Isère, is another freezing cold month, with an average temperature fluctuating between -0.8°C (30.6°F) and -11.3°C (11.7°F). February commences with an average high-temperature of a still freezing cold -0.8°C (30.6°F), showing little deviation from January's -1.3°C (29.7°F). Weather in February »Weather in March
March, the first month of the spring in Sainte-Hélène-sur-Isère, is a wintry month, with an average temperature fluctuating between 2.2°C (36°F) and -7.3°C (18.9°F). Sainte-Hélène-sur-Isère in March denotes a subtle temperature transition, adjusting from an average high of a subzero cold -0.8°C (30.6°F) in February to a cold 2.2°C (36°F). Weather in March »Weather in April
April is a frosty spring month in Sainte-Hélène-sur-Isère, France, with temperature in the range of an average high of 6.8°C (44.2°F) and an average low of -2.4°C (27.7°F). A soft shift in the average high-temperature is noticeable in April, transitioning from a cold 2.2°C (36°F) in March to a chilly 6.8°C (44.2°F). Weather in April »Weather in May
May, the last month of the spring in Sainte-Hélène-sur-Isère, is a fresh month, with an average temperature varying between 0.8°C (33.4°F) and 10.3°C (50.5°F). 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). Weather in May »Weather in June
The first month of the summer, June, is a mild month in Sainte-Hélène-sur-Isère, France, with an average temperature ranging between min 4.6°C (40.3°F) and max 15.7°C (60.3°F). An escalation in the average high-temperature is seen with the onset of June, moving from a fresh 10.3°C (50.5°F) in May to a refreshing 15.7°C (60.3°F). Weather in June »Weather in July
July in Sainte-Hélène-sur-Isère, France, is a refreshing summer month, with an average temperature ranging between min 6.3°C (43.3°F) and max 18.3°C (64.9°F). Sainte-Hélène-sur-Isère, France, measures an average high-temperature of an enjoyable 18.3°C (64.9°F) in July, nearly consistent with the preceding month. Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Sainte-Hélène-sur-Isère, France, with temperature in the range of an average low of 6.5°C (43.7°F) and an average high of 18.5°C (65.3°F). August, marked by an average high-temperature of 18.5°C (65.3°F) and a low-temperature of 6.5°C (43.7°F), is the warmest month. Weather in August »Weather in September
September, the first month of the autumn in Sainte-Hélène-sur-Isère, is still a mild month, with an average temperature varying between 4°C (39.2°F) and 14.3°C (57.7°F). The average high-temperature shows a slight dip in September, from August's refreshing 18.5°C (65.3°F) to a mild 14.3°C (57.7°F). Weather in September »Weather in October
October, the same as September, is a cool autumn month in Sainte-Hélène-sur-Isère, France, with an average temperature fluctuating between 10.2°C (50.4°F) and 0.8°C (33.4°F). 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). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Sainte-Hélène-sur-Isère, France, with temperature in the range of an average high of 3.6°C (38.5°F) and an average low of -4°C (24.8°F). Stepping into November, Sainte-Hélène-sur-Isère observes a temperature decline, with the average high falling from October's fresh 10.2°C (50.4°F) to an icy 3.6°C (38.5°F). Weather in November »Weather in December
December, the first month of the winter in Sainte-Hélène-sur-Isère, is also a wintry month, with temperature in the range of an average low of -9.2°C (15.4°F) and an average high of 0°C (32°F). Sainte-Hélène-sur-Isère, France, experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a cold 3.6°C (38.5°F) in November to a still icy 0°C (32°F). Weather in December »Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month of January sees the average lowest temperatures, reaching -1.3°C (29.7°F) at the peak and -11.3°C (11.7°F) at the low.
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.
Months with snowfall in Sainte-Hélène-sur-Isère, France, are January through December.
Throughout the year, in Sainte-Hélène-sur-Isère, there are 102.7 snowfall days, and 3628mm (142.83") of snow is accumulated.
January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Sainte-Hélène-sur-Isère, France.
February and March, with an average relative humidity of 88%, are most humid months.
February is the month with the lowest UV index, with an average maximum UV index of 1.
The month with the longest days in Sainte-Hélène-sur-Isère, France, is June, with an average of 15h and 36min of daylight.
June and July, with an average maximum UV index of 4, are months with the highest UV index in Sainte-Hélène-sur-Isère, France.
July is the month with the least snowfall. Snow falls for 0.3 days and accumulates 1mm (0.04") of snow.
In Sainte-Hélène-sur-Isère, France, the average highest temperatures are observed in August, with a high of 18.5°C (65.3°F) and a low of 6.5°C (43.7°F).
August is the least humid month in Sainte-Hélène-sur-Isère, with an average relative humidity of 73%.
August has the most sunshine of the year, with an average of 10.9h of sunshine.
The month with the least rainfall is September, when the rain falls for 14.7 days and typically collects 40mm (1.57") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Sainte-Hélène-sur-Isère, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The month with the most rainfall in Sainte-Hélène-sur-Isère, France, is December, when the rain falls for 5.8 days and typically aggregates up to 121mm (4.76") of precipitation.
The month with the most snowfall in Sainte-Hélène-sur-Isère, France, is December, when snow falls for 14.8 days and typically aggregates up to 934mm (36.77") of snow.
With an average of 8h and 48min of daylight, December has the shortest days of the year in Sainte-Hélène-sur-Isère.
Average temperature
Sainte-Hélène-sur-Isère, France
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).
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
Sainte-Hélène-sur-Isère, France
- Average pressure in January:
1018.8mbar - Average pressure in February:
1016.8mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1015.8mbar
- Average pressure in July:
1016.3mbar - Average pressure in August:
1017.2mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1017.9mbar - Average pressure in November:
1015.5mbar - Average pressure in December:
1020.6mbar
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
Sainte-Hélène-sur-Isère, France
- Average wind speed in January:
6.9km/h - Average wind speed in February:
7km/h - Average wind speed in March:
7.2km/h - Average wind speed in April:
6.8km/h - Average wind speed in May:
6.6km/h - Average wind speed in June:
6.5km/h
- Average wind speed in July:
6.4km/h - Average wind speed in August:
6km/h - Average wind speed in September:
5.8km/h - Average wind speed in October:
6.8km/h - Average wind speed in November:
7.3km/h - Average wind speed in December:
7km/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
Sainte-Hélène-sur-Isère, France
The months with the highest relative humidity are February and March (88%).
The month with the lowest relative humidity is August (73%).
Average rainfall
Sainte-Hélène-sur-Isère, France
The wettest month (with the highest rainfall) is December (121mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days
Sainte-Hélène-sur-Isère, France
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
21.4 days - Average rainfall days in June:
22.3 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
18.1 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
5.8 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
Sainte-Hélène-sur-Isère, France
- Average snowfall in January:
581mm - Average snowfall in February:
521mm - Average snowfall in March:
573mm - Average snowfall in April:
225mm - Average snowfall in May:
168mm - Average snowfall in June:
11mm
The month with the highest snowfall is December (934mm).
The month with the least snowfall is July (1mm).
Average snowfall days
Sainte-Hélène-sur-Isère, France
- Average snowfall days in January:
16.9 days - Average snowfall days in February:
16.6 days - Average snowfall days in March:
17.4 days - Average snowfall days in April:
11.8 days - Average snowfall days in May:
6.8 days - Average snowfall days in June:
0.8 days
- Average snowfall days in July:
0.3 days - Average snowfall days in August:
0.1 days - Average snowfall days in September:
1.4 days - Average snowfall days in October:
3.9 days - Average snowfall days in November:
11.9 days - Average snowfall days in December:
14.8 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 / Average sunshine
Sainte-Hélène-sur-Isère, France
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
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 January:
5h and 30min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 54min - Average sunshine in September:
8h and 54min - Average sunshine in October:
7h and 12min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 30min
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
Sainte-Hélène-sur-Isère, France
- Average sunshine days in January:
14 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
10.2 days - Average sunshine days in April:
6.8 days - Average sunshine days in May:
4.3 days - Average sunshine days in June:
4.3 days
- Average sunshine days in July:
6.1 days - Average sunshine days in August:
7.7 days - Average sunshine days in September:
10 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
14.2 days - Average sunshine days in December:
14.9 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
Sainte-Hélène-sur-Isère, France
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
Sainte-Hélène-sur-Isère, France
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
Sainte-Hélène-sur-Isère, France
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).
