Climate almanac
Lagnieu
Rhône-Alpes, France · 45.90°, 5.34°
What is the climate like in Lagnieu?
The best time to visit Lagnieu is typically June – September, with trip comfort peaking in July (8.0/10). Lagnieu is warmest in August, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 34°F (1°C). The wettest month is typically December and the driest is July; the year sees roughly 42 in (1062 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in July (8.0/10)
- Warmest monthAugust — average high 84°F (29°C)
- Coolest monthJanuary — average low 34°F (1°C)
- Wettest monthDecember (5.2 in (133 mm))
- Driest monthJuly (1.8 in (45 mm))
- Annual precipitation42 in (1062 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromLyon - St Exupery, 28 km away (1920-2026)