Lyon, France Climate & Monthly Averages
Lyon has a humid subtropical climate. July is the hottest month, averaging 83° by day; January is the coldest at 44°.
Sunshine is a defining feature of Lyon's climate
Lyon runs on a dry-summer rhythm: the warmest months are also the driest. February averages 1.7 inches (44 mm) while the wet season peaks in October at 3.9 inches (98 mm). Highs range from 44°F (7°C) to 83°F (29°C).
How sun, temperature and rain fit together
Warmth peaks in July: highs of 83°F (29°C), lows of 64°F (18°C). January sits at the other end of the year: 44°F (7°C) by day, 34°F (1°C) at night. July is the brightest month at 13.0 hours of sun a day, against an annual average of 8.9.
Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is September through October. The wettest month is October (3.9 inches (98 mm) across 9 days) and the driest February. Snow falls on roughly 4 days a year, mostly November through February. The gridded 2015-2024 daily record for this location tops out at 105°F (41°C) and bottoms at 17°F (-9°C) - decade extremes, not all-time station records.
More climate facts for Lyon
- Hottest month: July - highs near 83°F (29°C)
- Coldest month: January - highs near 44°F (7°C)
- Decade extremes (2015-2024): 105°F (41°C) high · 17°F (-9°C) low
- Wettest month: October (9 rainy days) · Sunniest: July (13.0 h sun/day)
- Climate type: humid subtropical
- Annual swing: 19°C between the average warmest and coolest month · day to night: 9°C
- Snow: about 4 days a year
- Average humidity: 72%
The most comfortable sunny-weather window
Best time to visit Lyon
Aim for June to October and April if you get the choice: the dry season is running but the afternoons are still bearable, and highs average 74°F (24°C) against roughly 9 wet days a month. For the same question asked the other way round, see where else is warm in June.
What to pack
Pack for Lyon with light clothing for the warm months, a warm jacket and layers for the cooler season and a compact umbrella or rain shell. Note the gap between afternoon and night: July pairs 83°F (29°C) with 64°F (18°C).
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 44° | 34° | 13 | 2.6 in | 4.7 h/day | 9.0 h | 42% | 84% |
| February | 50° | 35° | 8 | 1.7 in | 6.8 h/day | 10.3 h | 29% | 78% |
| March | 56° | 39° | 12 | 2.7 in | 8.7 h/day | 11.8 h | 37% | 73% |
| April | 62° | 44° | 9 | 2.5 in | 10.0 h/day | 13.5 h | 30% | 66% |
| May | 69° | 51° | 12 | 3.8 in | 10.8 h/day | 14.9 h | 40% | 69% |
| June | 79° | 60° | 11 | 3.3 in | 12.5 h/day | 15.7 h | 37% | 65% |
| July | 83° | 64° | 8 | 2.4 in | 13.0 h/day | 15.4 h | 25% | 58% |
| August | 83° | 63° | 7 | 2.3 in | 11.9 h/day | 14.1 h | 22% | 60% |
| September | 74° | 56° | 7 | 2.8 in | 10.1 h/day | 12.5 h | 24% | 67% |
| October | 64° | 49° | 9 | 3.9 in | 7.5 h/day | 10.8 h | 30% | 78% |
| November | 53° | 41° | 12 | 3.2 in | 5.8 h/day | 9.4 h | 39% | 85% |
| December | 47° | 36° | 11 | 3.0 in | 4.9 h/day | 8.7 h | 37% | 87% |
Lyon month by month
Each card shows the average high and low. The bar places that month between Lyon's coldest night and warmest afternoon.
January
- Rain
- 13 days
- Sunshine
- 4.7 h
- Daylight
- 9.0 h
- Snow
- 2 days
February
- Rain
- 8 days
- Sunshine
- 6.8 h
- Daylight
- 10.3 h
March
- Rain
- 12 days
- Sunshine
- 8.7 h
- Daylight
- 11.8 h
April
- Rain
- 9 days
- Sunshine
- 10.0 h
- Daylight
- 13.5 h
May
- Rain
- 12 days
- Sunshine
- 10.8 h
- Daylight
- 14.9 h
June
- Rain
- 11 days
- Sunshine
- 12.5 h
- Daylight
- 15.7 h
July
- Rain
- 8 days
- Sunshine
- 13.0 h
- Daylight
- 15.4 h
August
- Rain
- 7 days
- Sunshine
- 11.9 h
- Daylight
- 14.1 h
September
- Rain
- 7 days
- Sunshine
- 10.1 h
- Daylight
- 12.5 h
October
- Rain
- 9 days
- Sunshine
- 7.5 h
- Daylight
- 10.8 h
November
- Rain
- 12 days
- Sunshine
- 5.8 h
- Daylight
- 9.4 h
December
- Rain
- 11 days
- Sunshine
- 4.9 h
- Daylight
- 8.7 h
- Snow
- 1 day
Looking for warmer alternatives? Browse warm places by month, or compare Lyon's coolest part of the year: January, December, February.
Seasonal weather under Lyon's sunnier skies
Spring (March through May)
Spring stays on the cool side of mild here - highs near 63°F (17°C), nights near 45°F (7°C), and rain falls on around 33 of the 90 days.
Summer (June through August)
Summer in Lyon sits firmly in the heat, with daytime highs averaging 82°F (28°C) and nights around 62°F (17°C); expect showers on roughly 26 days across the season. Daylight is generous - around 12.5 hours of sun a day.
Fall (September through November)
Fall in Lyon is crisp but comfortable, with daytime highs averaging 64°F (18°C) and nights around 49°F (9°C); expect showers on roughly 28 days across the season.
Winter (December through February)
Winter in Lyon runs cold, with daytime highs averaging 47°F (8°C) and nights around 35°F (2°C); rain falls on around 32 of the 90 days, plus about 3 snowy days.
How unusual is Lyon?
- 29% of the year's precipitation falls in its wettest three months - more evenly spread than all but 9% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.
Lyon temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.