Bron, France Climate
Temperature through the year
The normal daily high and low and the record for every date at Lyon, since 1975. The line marks today.
- Normal low
- Normal high
- Record high
- Record low
Normals for Sep 27
- Normal high
- 21°C
- Normal low
- 11°C
- Record high
- 28°Cin 2018
- Record low
- 5°Cin 1993
- Chance of a wet day
- 35%
- Daylight
- 11 h 56 min
Month by month
Averages for 1991-2020. Wet days have at least 1 mm of precipitation in the reanalysis. Each month links to its own page.
| Month | Avg high | Avg low | Record high | Record low | Precipitation | Wet days |
|---|---|---|---|---|---|---|
| January | 7°C | 20°C (2015) | -18°C (1985) | 55 mm | 10.6 | |
| February | 9°C | 22°C (1990) | -12°C (2012) | 47 mm | 9.0 | |
| March | 14°C | 26°C (1990) | -10°C (2005) | 53 mm | 9.9 | |
| April | 18°C | 29°C (2024) | -3°C (2003) | 68 mm | 11.3 | |
| May | 22°C | 33°C (2009) | 0°C (1976) | 82 mm | 12.5 | |
| June | 25°C | 38°C (2003) | 4°C (1975) | 69 mm | 12.0 | |
| July | 28°C | 39°C (1983) | 7°C (1986) | 66 mm | 10.0 | |
| August | 28°C | 40°C (2003) | 6°C (1987) | 69 mm | 9.0 | |
| September | 23°C | 34°C (2023) | 2°C (1977) | 81 mm | 9.1 | |
| October | 18°C | 30°C (2023) | -4°C (1997) | 95 mm | 11.3 | |
| November | 11°C | 22°C (2015) | -7°C (1998) | 91 mm | 12.2 | |
| December | 8°C | 20°C (1989) | -11°C (2009) | 63 mm | 11.5 | |
| Year | 17°C | 839 mm | 128 |
Precipitation
Rain and melted snow together. The chance of a wet day is the share of days with at least 1 mm of precipitation in the reanalysis.
839 mm in a normal year, most in October.
Chance of a wet day
- Chance of a wet day
Humidity and comfort
NASA POWER reanalysis, 1991-2020, for the grid cell around Bron.
The muggiest month is July, when 2 percent of days are muggy or worse, with a mean dew point of 18°C or more.
| Month | Dew point | Humidity | Dry | Comfortable | Humid | Muggy | Oppressive | Miserable |
|---|---|---|---|---|---|---|---|---|
| January | 0°C | 90% | 100% | 0% | 0% | 0% | 0% | 0% |
| February | 0°C | 86% | 100% | 0% | 0% | 0% | 0% | 0% |
| March | 3°C | 81% | 100% | 0% | 0% | 0% | 0% | 0% |
| April | 5°C | 77% | 100% | 0% | 0% | 0% | 0% | 0% |
| May | 9°C | 76% | 88% | 11% | 1% | 0% | 0% | 0% |
| June | 12°C | 72% | 57% | 29% | 13% | 1% | 0% | 0% |
| July | 13°C | 66% | 45% | 36% | 17% | 2% | 0% | 0% |
| August | 13°C | 65% | 54% | 34% | 12% | 1% | 0% | 0% |
| September | 10°C | 72% | 82% | 15% | 3% | 0% | 0% | 0% |
| October | 8°C | 82% | 93% | 6% | 0% | 0% | 0% | 0% |
| November | 4°C | 88% | 100% | 0% | 0% | 0% | 0% | 0% |
| December | 1°C | 91% | 100% | 0% | 0% | 0% | 0% | 0% |
Comfort is judged by the day's mean dew point: dry below 13°C, comfortable to 16°C, humid to 18°C, muggy to 21°C, oppressive to 24°C, miserable above.
Clouds
Average share of the sky covered, from satellite (CERES and GEWEX SRB) by way of NASA POWER, 1991-2020.
The clearest month is July, with the sky 50 percent covered on average; the cloudiest is November, at 70 percent.
Wind
The mean wind speed over the whole day, from the MERRA-2 reanalysis by way of NASA POWER. Gusts run well above it.
The windiest month is February, averaging 14.0 km/h at 10 meters (33 feet) above the ground.
Daylight and sunshine
The longest day is Jun 20, with 15 h 44 min of daylight; the shortest is Dec 20, with 8 h 40 min.
- Day length
Solar energy
Average daily sunshine reaching the ground on a flat surface, in kilowatt-hours per square meter, clouds included.
Month pages
The weather in Bron in each month, day by day.
What this means
A normal is the average of the thirty years 1991 to 2020, the period the World Meteorological Organization and NOAA use for comparison. It is an average, not a forecast: most days depart from it, and some by a long way.
A record is the highest or lowest value on the date in every year the station has reported, back to 1975. It rests on one station, so a neighbor a few miles away can hold different ones.
Cloud, humidity, wind and sunshine come from a reanalysis: a weather model run over the past with every observation fed in, averaged over a grid cell about 50 km across. It is consistent everywhere on Earth; it smooths local detail such as a lake shore or a valley.
More for this place
Nearby
Sources
Records: NOAA GHCN-Daily, station FRM00007481, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.