Climate in Lyon — Annual Weather Overview
Lyon has a continental climate — hot summers, cold winters and moderate rainfall. The hottest month is July (average high 28.4°C) and the coolest is January (6.6°C). The seasons are strongly defined — a 21.8°C swing between July highs and January lows. Annual rainfall totals around 832mm. October is the wettest month at 115.7mm, while February averages just 29.9mm. Average daily sunshine is 9.0 hours.
**Spring (March, April, May):** average highs 17.4°C, 192mm rain. **Summer (June, July, August):** average highs 27.7°C, 204mm rain. **Autumn (September, October, November):** average highs 18.1°C, 253mm rain. **Winter (December, January, February):** average highs 8.6°C, 183mm rain.
Lyon — Monthly Temperatures
Lyon — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Lyon stays reasonable all year.
Lyon weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 6.6°C | 0.7°C | 50.5mm | 4.9h | 10 | 10/10 |
| February | 11.1°C | 2.1°C | 29.9mm | 7.3h | 8 | 10/10 |
| March | 13.7°C | 3.8°C | 52.3mm | 9.3h | 8 | 10/10 |
| April | 17.1°C | 6.6°C | 49.0mm | 9.9h | 7 | 10/10 |
| May | 21.3°C | 11.1°C | 90.8mm | 10.9h | 10 | 10/10 |
| June | 26.4°C | 15.9°C | 89.1mm | 12.7h | 10 | 10/10 |
| July | 28.4°C | 17.0°C | 70.4mm | 12.9h | 7 | 10/10 |
| August | 28.4°C | 17.1°C | 44.1mm | 11.8h | 6 | 10/10 |
| September | 24.5°C | 14.2°C | 67.3mm | 10.3h | 8 | 10/10 |
| October | 18.5°C | 10.1°C | 115.7mm | 7.7h | 10 | 9/10 |
| November | 11.4°C | 5.0°C | 70.4mm | 5.7h | 12 | 10/10 |
| December | 8.1°C | 2.4°C | 102.2mm | 4.2h | 15 | 9/10 |
For the full verdict on when to go, see the best time to visit Lyon. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Lyon have?
Lyon has a continental climate — hot summers, cold winters and moderate rainfall. Average highs range from 6.6°C in January to 28.4°C in July.
What is the hottest month in Lyon?
July is the hottest month in Lyon, with average highs of 28.4°C and lows of 17.0°C.
What is the coldest month in Lyon?
January is the coolest month, with average highs of 6.6°C and lows of 0.7°C.
What is the wettest month in Lyon?
October is the wettest month, averaging 115.7mm of rainfall over around 10 rainy days.
How much rain does Lyon get per year?
Lyon receives around 832mm of rain per year. The driest month is February (29.9mm).
When is the best time to visit Lyon?
The best time to visit Lyon is All year. See the full month-by-month guide →
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Trip essentials for Lyon
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.