Sainte-Hélène-sur-Isère Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sainte-Hélène-sur-Isère.
Climate overview of Sainte-Hélène-sur-Isère
Temperatures in Sainte-Hélène-sur-Isère, Rhône-Alps, France, vary greatly throughout the year. July is the hottest month at 22°C (72°F), while January is the coldest at 2°C (36°F).
The city has a wet climate, receiving around 1663 mm (65 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. May is the wettest month. Sunshine peaks in July, when the city sees around 8.7 hours of sunshine per day.
Sainte-Hélène-sur-Isère Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sainte-Hélène-sur-Isère - and find the best time to visit.
Monthly Temperature in Sainte-Hélène-sur-Isère
The climate in Sainte-Hélène-sur-Isère is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 22°C (72°F) in July to a chilly 2°C (36°F) in January.
Nighttime temperatures range from 11°C (52°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sainte-Hélène-sur-Isère
Sainte-Hélène-sur-Isère has a notably wet climate with abundant precipitation, recording 1663 mm (65 in) of rain/snowfall per year. The wettest period in Sainte-Hélène-sur-Isère occurs in May, which receives around 166 mm (6.5 in) of precipitation. During the driest month, October, Sainte-Hélène-sur-Isère experiences high rainfall, totaling 116 mm (4.6 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Sainte-Hélène-sur-Isère Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Sainte-Hélène-sur-Isère
In Sainte-Hélène-sur-Isère, summer days are longer and more sunny, with daily sunshine hours peaking at 8.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.0 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Sainte-Hélène-sur-Isère
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Sainte-Hélène-sur-Isère
What is the best time to visit Sainte-Hélène-sur-Isère?
June, July and August typically offer the most optimal weather in Sainte-Hélène-sur-Isère. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Sainte-Hélène-sur-Isère has warm summers and cold winters.
What temperatures can I expect in Sainte-Hélène-sur-Isère?
Daytime highs range from 2°C (36°F) in January to 22°C (72°F) in July. Nighttime lows range from -7°C (19°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Sainte-Hélène-sur-Isère get?
Annual rainfall is around 1663 mm (65 in). May is the wettest month with 166 mm (6.5 in), while October is the driest with 116 mm (4.6 in).
How sunny is Sainte-Hélène-sur-Isère?
Sainte-Hélène-sur-Isère receives around 1,876 hours of sunshine per year. July is the sunniest month with 262 hours, while December is the cloudiest with just 60 hours.
Sainte-Hélène-sur-Isère 3-Day Forecast
Sainte-Hélène-sur-Isère 3-Day Forecast
Sainte-Hélène-sur-Isère on the map
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