Saint-Étienne weather in August

In August, Saint-Étienne sees average daytime highs of 25°C and overnight lows near 14°C, with 77 mm of rain across 9.7 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 36% of the time in August, and the air most often feels dry.

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 Saint-Étienne's 2nd-clearest and 12th-windiest month. For the whole year in context, see Saint-Étienne's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
77 mm
9.7 wet days
Daylight
13 h 54 min
5:49 AM – 7:45 PM
Cloud cover
51%
2nd clearest
Wind
8 km/h
12th windiest
Solar energy
5.4 kWh/m²
Travel score
7.1
out of 10

Saint-Étienne is commune in Loire, France.

Air quality
Good
PM2.5 8.3 µg/m³ · 2019
Density
2,204/km²
people per km²
Founded
1258

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 23°C by the end.

A typical August day in Saint-Étienne reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12615
22614
32614
42614
52614
62614
72614
82614
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202514
212513
222513
232513
242413
252413
262413
272413
282413
292312
302312
312312

How August really feels in Saint-Étienne

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.

Saint-Étienne weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°6312.24.48.90.3
Feb / -0°499.9410.11.0
Mar11° / 5511.31.811.62.9
Apr15° / 8612.51.113.24.1
May19° / 9813.50.114.75.4
Jun23° / 12°8912.4015.46.4
Jul25° / 14°8310.4015.16.9
Aug25° / 14°779.7013.97.1
Sep20° / 10°909.5012.36.4
Oct16° / 9511.50.310.74.6
Nov10° / 9412.31.99.32.0
Dec / 6411.53.18.60.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35743
45743
55644
65644
75644
85644
95743
105743
115743
125842
135842
145941
155941
165941
175941
185941
195842
205842
215842
225743
235644
245644
255545
265446
275446
285446
295347
305347
315347

Chance of precipitation in August

Any precipitation

Saint-Étienne gets around 77 mm of rain over 9.7 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 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
434
534
634
734
833
933
1033
1132
1232
1331
1431
1530
1630
1729
1829
1929
2029
2129
2229
2328
2428
2528
2628
2728
2827
2927
3027
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14236221
24235221
34235221
44335221
54434221
64434211
74534211
84634201
94634200
104734190
114734180
124834170
134935170
144935160
155035150
165036140
175036140
185136130
195037130
205037130
215137120
225236120
235236120
245335120
255434120
265633110
275732110
285831110
296030100
306129100
31632890

Wind in August

Winds average 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
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 5:30 AM to 6:07 AM, and sunset from 8:07 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:308:07
214.65:328:05
314.55:338:04
414.55:348:03
514.45:358:01
614.45:368:00
714.45:377:59
814.35:397:57
914.35:407:56
1014.25:417:54
1114.25:427:53
1214.15:447:51
1314.15:457:49
1414.05:467:48
1514.05:477:46
1613.95:497:45
1713.95:507:43
1813.85:517:41
1913.85:527:40
2013.75:537:38
2113.75:557:36
2213.65:567:34
2313.65:577:32
2413.55:587:31
2513.56:007:29
2613.46:017:27
2713.46:027:25
2813.36:047:23
2913.36:057:21
3013.26:067:20
3113.26:077:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.4 kWh/m².

For context, solar energy here swings from a low near 1.14 kWh/m² to a high of 6.19 kWh/m² in July across the year — August's 5.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Saint-Étienne?

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

7.1
Sightseeing
1st-best month of the year
6.3
Beach & pool
2nd-best month of the year

August is one of the better times to visit Saint-Étienne for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Saint-Étienne in August

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

In August, Saint-Étienne sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Saint-Étienne 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 Saint-Étienne peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Saint-Étienne?

Saint-Étienne sits at 45.4°N, 4.4°E, 529 m above sea level, in France. The nearest listed city is Firminy, 9.0 km away.

Topography around Saint-Étienne

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

Within 3 km, the terrain around Saint-Étienne has significant variations in elevation — a maximum elevation change of 284 m around an average of 574 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,143 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,640 m.

The land around Saint-Étienne is covered by artificial surfaces (55%) and trees (33%) within 3 km, trees (49%) and grassland (33%) within 16 km, and trees (47%) and grassland (34%) within 80 km.

3 km
284 m
16 km
1,143 m
80 km
1,640 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Firminy 9.0 km · Saint-Chamond 11 km · Annonay 31 km · Montbrison 32 km · Givors 34 km · Vienne 39 km · Saint-Genis-Laval 43 km · Oullins 45 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 Saint-Étienne (45.4339°, 4.39°, elevation 529 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).