Lyon weather in July
July in Lyon: hot, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Lyon · #219 of 604 destinations to visit in July · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Lyon climate normals — July
| Daytime high | 29°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 71 mm / 2.8 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 57% | 🍃 comfortable |
| Dew point | 14°C / 57°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 15.3 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Lyon in July — FAQ
- Is July a good time to visit Lyon?
- July in Lyon: hot, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Lyon on SeasonMap's comfort score (84/100).
- What is the weather like in Lyon in July?
- In July, Lyon averages a daily high of 28.5°C and a low of 17.9°C, with about 71.1 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Lyon in July?
- Lyon has a mean US Air Quality Index of about 43 in July.