Montbrison weather in August

In August, Montbrison sees average daytime highs of 24°C and overnight lows near 13°C, with 80 mm of rain across 11.3 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 34% 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 Montbrison's 2nd-clearest and 12th-windiest month. For the whole year in context, see Montbrison's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
80 mm
11.3 wet days
Daylight
13 h 54 min
5:49 AM – 7:46 PM
Cloud cover
53%
2nd clearest
Wind
8 km/h
12th windiest
Solar energy
5.33 kWh/m²
Travel score
6.9
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical August day in Montbrison reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72513
82413
92413
102413
112413
122413
132413
142413
152413
162413
172413
182413
192413
202413
212413
222413
232412
242312
252312
262312
272312
282312
292212
302211
312211

How August really feels in Montbrison

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.

Montbrison weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°6412.36.28.90.1
Feb / -1°54115.910.10.6
Mar11° / 5711.93.411.62.4
Apr14° / 8613.81.813.33.5
May18° / 100150.414.74.9
Jun21° / 11°8713015.46.0
Jul24° / 13°7511.3015.16.9
Aug24° / 13°8011.3013.96.9
Sep20° / 10°8510.8012.36.0
Oct15° / 8912.10.510.74.2
Nov / 9013.439.31.6
Dec / 6812.24.98.60.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35446
45446
55446
65446
75446
85446
95446
105446
115545
125545
135545
145644
155644
165644
175743
185743
195743
205644
215644
225644
235545
245545
255446
265446
275347
285347
295248
305248
315248

Chance of precipitation in August

Any precipitation

Montbrison gets around 80 mm of rain over 11.3 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 35% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
439
539
639
739
839
938
1038
1138
1237
1337
1436
1536
1635
1735
1835
1934
2034
2134
2234
2334
2433
2533
2633
2732
2831
2931
3031
3130

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
151409
251409
351409
452399
553389
654388
755378
855378
956368
1056368
1158357
1258357
1359347
1460346
1560346
1660346
1761336
1861336
1961336
2061336
2162326
2262326
2363316
2463316
2564306
2666295
2767285
2868275
2969265
3070255
3172244

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 8 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
318calm

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 5:31 AM to 6:08 AM, and sunset from 8:08 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:318:08
214.65:328:07
314.55:348:06
414.55:358:04
514.55:368:03
614.45:378:02
714.45:388:00
814.35:407:59
914.35:417:57
1014.25:427:56
1114.25:437:54
1214.15:447:53
1314.15:467:51
1414.05:477:50
1514.05:487:48
1613.95:497:46
1713.95:517:45
1813.85:527:43
1913.85:537:41
2013.75:547:39
2113.75:567:38
2213.65:577:36
2313.65:587:34
2413.56:007:32
2513.56:017:30
2613.46:027:29
2713.46:037:27
2813.36:057:25
2913.36:067:23
3013.26:077:21
3113.26:087:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.33 kWh/m².

For context, solar energy here swings from a low near 1.15 kWh/m² to a high of 6.09 kWh/m² in July across the year — August's 5.33 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
105.5Bright
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 Montbrison?

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

6.9
Sightseeing
1st-best month of the year
5.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Montbrison for sightseeing.

What to pack for Montbrison in August

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

In August, Montbrison sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Montbrison 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 Montbrison 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 Montbrison?

Montbrison sits at 45.6°N, 4.1°E, 394 m above sea level, in France. The nearest listed city is Firminy, 30 km away.

Topography around Montbrison

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

Within 3 km, the terrain around Montbrison has significant variations in elevation — a maximum elevation change of 272 m around an average of 429 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,087 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,612 m.

The land around Montbrison is covered by grassland (42%), trees (26%) and artificial surfaces (24%) within 3 km, grassland (44%) and trees (37%) within 16 km, and trees (44%) and grassland (39%) within 80 km.

3 km
272 m
16 km
1,087 m
80 km
1,612 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Firminy 30 km · Saint-Étienne 32 km · Saint-Chamond 38 km · Roanne 48 km · Givors 55 km · Saint-Genis-Laval 57 km · Écully 58 km · Tassin-la-Demi-Lune 59 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 Montbrison (45.6075°, 4.0652°, elevation 394 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).