
Rhône du Pont de Groslée à Murs-et-Gélignieux
- Annual mean
- 9.9 °C
- Warmest month
- July
- Wettest month
- November
Twelve-month average records of temperature, precipitation, humidity, and daylight patterns
The climate profile for Réserve naturelle régionale des étangs de Mépieu provides a long-term look at atmospheric conditions from 1991 to 2020 at a specific representative coordinate. These records detail monthly mean, minimum, and maximum temperatures alongside average daily precipitation, humidity, wind speeds, and daylight hours. The data offers an objective view of annual patterns at an elevation of 606.25 meters, distinguishing long-term averages from short-term weather fluctuations.
Analysis of twelve month average thermal ranges alongside corresponding daily precipitation rates
Compare average temperature bounds, daily precipitation rates, humidity, wind speed, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 0.9 °C-8.2° to 11.1° | 2.5 mm/day | 84.7% | 2.2 m/s | 8.9 hours |
| February | 1.7 °C-8.3° to 13.6° | 2.2 mm/day | 81.5% | 2.3 m/s | 10.1 hours |
| March | 5.6 °C-4.7° to 18.3° | 2.2 mm/day | 77.9% | 2.4 m/s | 11.7 hours |
| April | 9.1 °C-2° to 21.4° | 2.6 mm/day | 75.7% | 2.5 m/s | 13.3 hours |
| May | 13.3 °C2.3° to 25.2° | 3 mm/day | 75.6% | 2.4 m/s | 14.7 hours |
| June | 17.1 °C6.2° to 29.3° | 2.6 mm/day | 73.6% | 2.2 m/s | 15.5 hours |
| July | 19.4 °C8.7° to 31.3° | 2.3 mm/day | 69.9% | 2.1 m/s | 15.1 hours |
| August | 19.3 °C8° to 31° | 2.3 mm/day | 68.1% | 2 m/s | 13.9 hours |
| September | 15 °C4.5° to 26.7° | 2.9 mm/day | 73% | 2.1 m/s | 12.3 hours |
| October | 10.7 °C0.3° to 22.9° | 3.1 mm/day | 78.8% | 2.2 m/s | 10.6 hours |
| November | 5.2 °C-4.2° to 17.4° | 3.3 mm/day | 84.2% | 2.2 m/s | 9.2 hours |
| December | 1.7 °C-7.1° to 11.7° | 2.8 mm/day | 85.2% | 2.2 m/s | 8.5 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Warmest, coolest, wettest, and windiest periods derived from long term averages
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Explore monthly temperature, precipitation, and wind norms across diverse protected landscapes.







Continue your exploration of northern Isère by diving into the specific terrain and habitat mosaic of this regional nature reserve. MoriAtlas provides detailed context on the ponds, peatlands, and dry slopes that define this unique French protected area. Trace the boundaries and understand the ecological character of this remarkable landscape through our mapped resources.