Bron weather in August

In August, Bron sees average daytime highs of 27°C and overnight lows near 16°C, with 75 mm of rain across 9.4 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 26°C by the end. The sky is clear or mostly clear about 42% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 36 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Bron's 2nd-clearest and 12th-windiest month. For the whole year in context, see Bron's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
16°
11th coldest
Rainfall
75 mm
9.4 wet days
Daylight
14 hours
5:46 AM – 7:43 PM
Cloud cover
47%
2nd clearest
Wind
9 km/h
12th windiest
Solar energy
5.35 kWh/m²
Travel score
6.8
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 26°C by the end.

A typical August day in Bron reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 33°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112816
122816
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242615
252615
262615
272615
282615
292615
302515
312514

How August really feels in Bron

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66238
76238
86238
96238
106337
116337
126436
136436
146436
156535
166535
176535
186535
196535
206535
216436
226436
236436
246436
256337
266337
276238
286238
296139
306139
316238

Chance of precipitation in August

Any precipitation

Bron gets around 75 mm of rain over 9.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
232
332
432
533
633
733
833
933
1032
1132
1231
1331
1430
1530
1629
1729
1828
1928
2027
2127
2227
2327
2427
2527
2627
2727
2827
2927
3027
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 38% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12438353
22438353
32438352
42438352
52538352
62638342
72638342
82738332
92738331
102839321
112939311
122939301
133039291
143140281
153140271
163240271
173340261
183340251
193440251
203440241
213540241
223640231
233739221
243938221
254037211
264236211
274435201
284634191
294733191
304932181
315131171

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 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
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 36 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 5:27 AM to 6:05 AM, and sunset from 8:05 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:278:05
214.65:298:04
314.65:308:03
414.55:318:01
514.55:328:00
614.45:337:59
714.45:357:57
814.35:367:56
914.35:377:54
1014.25:387:53
1114.25:407:51
1214.15:417:50
1314.15:427:48
1414.15:437:46
1514.05:457:45
1614.05:467:43
1713.95:477:41
1813.95:487:40
1913.85:507:38
2013.85:517:36
2113.75:527:34
2213.75:537:33
2313.65:557:31
2413.65:567:29
2513.55:577:27
2613.45:587:25
2713.46:007:24
2813.36:017:22
2913.36:027:20
3013.26:047:18
3113.26:057:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.35 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 — August's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in August

Is August a good time to visit Bron?

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

6.8
Sightseeing
1st-best month of the year
6.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Bron for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bron in August

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

In August, Bron sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Bron in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).