Lyon climate by month
In Lyon, the warmest month is August, with average highs of 29.3 °C, and the coldest is January, with average lows of -0.5 °C. About 813 mm of rain falls each year over 132 days; October is the wettest month (90 mm) and February the driest (43 mm).
Best time to visit Lyon: for mild, mostly dry days, aim for May, June, September.
| Month | Avg high | Avg low | Rain | Rainy days |
|---|---|---|---|---|
| January | 6.3 °C | -0.5 °C | 62 mm | 13 |
| February | 9.6 °C | 0.5 °C | 43 mm | 9 |
| March | 13 °C | 2.5 °C | 60 mm | 11 |
| April | 16.4 °C | 5.1 °C | 59 mm | 10 |
| May | 20.2 °C | 9.2 °C | 84 mm | 14 |
| June | 25.7 °C | 14.3 °C | 87 mm | 15 |
| July | 29.2 °C | 16.4 °C | 53 mm | 9 |
| August | 29.3 °C | 16.1 °C | 57 mm | 8 |
| September | 24.5 °C | 12.2 °C | 68 mm | 9 |
| October | 18.7 °C | 8.2 °C | 90 mm | 10 |
| November | 11.5 °C | 3.4 °C | 72 mm | 11 |
| December | 7.7 °C | 0.9 °C | 78 mm | 13 |
2015–2024 averages computed from NASA POWER data (about 50 km grid: values may differ slightly from a city weather station, especially on the coast or in the mountains).
Frequently asked questions
What is the 15-day weather forecast for Lyon?
The first 10 days come from the forecast model of the Norwegian Meteorological Institute (MET Norway), updated several times a day. After that, we show the outlook: the normal temperatures in Lyon for the time of year and the chance of rain, based on the last 10 years.
Is there a 30-day forecast for Lyon?
No model can reliably forecast the weather on a specific day 30 days ahead. The outlook shows what is typical in Lyon at that time of year: a good basis for planning a trip, to be checked against the 10-day forecast as the date gets closer.
What is the hottest month in Lyon?
August, with average highs of 29.3 °C. The coldest month is January, with average lows of -0.5 °C.
What is the rainiest month in Lyon?
October. The driest month is February. On average it rains on 132 days a year in Lyon, for about 813 mm of precipitation.
How can I check past weather in Lyon?
Pick a date in the "Past weather" section to see the high and low temperatures and the rain recorded that day, how it compared with normal, and the same day in previous years.
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