Bron weather in October

In October, Bron sees average daytime highs of 17°C and overnight lows near 9°C, with 100 mm of precipitation across 11.5 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 54 min by month's end. Set against the rest of the year, October is Bron's 9th-clearest and 8th-windiest month. For the whole year in context, see Bron's year-round climate.

Daytime high
17°
6th warmest
Overnight low
7th coldest
Precipitation
100 mm
11.5 wet days
Daylight
10 h 42 min
7:05 AM – 5:46 PM
Cloud cover
65%
9th clearest
Wind
10 km/h
8th windiest
Solar energy
2.49 kWh/m²
Travel score
5.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 15°C by the end.

A typical October day in Bron reaches about 17°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 22°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12011
21911
31911
41911
51911
61910
71910
81810
91810
101810
111810
121810
131810
141710
15179
16179
17179
18179
19179
20179
21169
22169
23168
24168
25168
26168
27158
28158
29157
30157
31157

How October really feels in Bron

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bron weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7612.32.48.90.8
Feb / 6210.21.910.11.6
Mar13° / 6510.80.711.63.7
Apr17° / 8111.20.213.35.2
May21° / 11°8812.1014.76.1
Jun25° / 14°8011.3015.46.6
Jul27° / 16°759.5015.16.7
Aug27° / 16°759.4013.96.8
Sep22° / 13°939.6012.36.8
Oct17° / 10011.50.110.75.2
Nov11° / 10612.40.79.32.5
Dec / 8312.31.78.51.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33862
43763
53763
63763
73862
83763
93664
103664
113763
123763
133763
143862
153862
163862
173961
183961
193961
204060
214060
224060
234060
244159
254159
264159
274159
284159
294060
304060
313961

Chance of precipitation in October

Any precipitation

Bron gets around 100 mm of rain and snow over 11.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
539
639
738
838
938
1038
1138
1238
1337
1437
1537
1637
1737
1836
1936
2036
2136
2236
2336
2436
2537
2637
2737
2837
2938
3038
3139

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
174233
274233
376222
476222
577212
678202
778202
879192
980191
1081181
1181181
1282171
1382171
1482171
1583161
1684160
1784160
1885150
1985150
2086140
2187130
2287130
2388120
2489110
2590100
269190
279280
289280
299370
309460
319550

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over October. Sunrise moves from 6:45 AM to 7:26 AM, and sunset from 6:14 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:456:14
211.46:466:12
311.46:476:10
411.36:496:08
511.36:506:06
611.26:516:04
711.26:536:02
811.16:546:01
911.16:555:59
1011.06:575:57
1110.96:585:55
1210.96:595:53
1310.87:015:51
1410.87:025:49
1510.77:045:48
1610.77:055:46
1710.67:065:44
1810.67:085:42
1910.57:095:41
2010.57:115:39
2110.47:125:37
2210.47:135:36
2310.37:155:34
2410.37:165:32
2510.27:185:31
2610.27:195:29
2710.17:205:28
2810.17:225:26
2910.07:235:25
3010.07:255:23
319.97:265:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.49 kWh/m².

For context, solar energy here swings from a low near 1.1 kWh/m² to a high of 6.15 kWh/m² in July across the year — October's 2.49 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.9Moderate
62.8Moderate
72.8Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.1Moderate
282.1Moderate
292.0Moderate
302.0Moderate
312.0Dim
Planning a trip in October

Is October a good time to visit Bron?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.2
Sightseeing
6th-best month of the year
1.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Bron for sightseeing.

What to pack for Bron in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Bron sees daytime highs around 17°C and nights near 9°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Bron in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bron peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Bron in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Bron is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2217 µg/m³Jul 2412 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar17Moderate
Apr17Moderate
May14Moderate
Jun16Moderate
Jul12Good
Aug12Good
Sep12Moderate
Oct13Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Bron?

Bron sits at 45.7°N, 4.9°E, 205 m above sea level, in France. The nearest listed city is Lyon 08, 3.0 km away.

Topography around Bron

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bron.

Within 3 km, the terrain around Bron has only modest variations in elevation — a maximum elevation change of 63 m around an average of 192 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 468 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,766 m.

The land around Bron is covered by artificial surfaces (68%) within 3 km, artificial surfaces (31%), trees (28%) and cropland (26%) within 16 km, and trees (43%) and grassland (33%) within 80 km.

3 km
63 m
16 km
468 m
80 km
1,766 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Lyon 08 3.0 km · Villeurbanne 4.0 km · Décines-Charpieu 5.0 km · Vénissieux 5.0 km · Lyon 5.0 km · Saint-Priest 5.0 km · Lyon 03 5.0 km · Vaulx-en-Velin 5.0 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bron (45.7386°, 4.913°, elevation 205 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).