Castres weather in August

In August, Castres sees average daytime highs of 26°C and overnight lows near 15°C, with 58 mm of rain across 8.5 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 45% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Castres's 2nd-clearest and 12th-windiest month. For the whole year in context, see Castres's year-round climate.

Daytime high
26°
1st warmest
Overnight low
15°
11th coldest
Rainfall
58 mm
8.5 wet days
Daylight
13 h 48 min
6:01 AM – 7:49 PM
Cloud cover
47%
2nd clearest
Wind
11 km/h
12th windiest
Solar energy
5.55 kWh/m²
Travel score
7.2
out of 10
Air quality
Good
PM10 15.3 µg/m³ · 2019

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 24°C by the end.

A typical August day in Castres reaches about 26°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°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)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152616
162616
172615
182615
192615
202615
212515
222515
232515
242515
252515
262515
272515
282515
292414
302414
312414

How August really feels in Castres

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.

Castres weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 1051339.11.2
Feb / 8211.22.710.21.8
Mar13° / 8911.81.611.63.3
Apr15° / 103130.313.24.3
May19° / 10°10412.40.114.55.6
Jun23° / 13°7510015.26.8
Jul25° / 15°598.8014.97.3
Aug26° / 15°588.5013.87.2
Sep22° / 12°739.2012.36.8
Oct17° / 10°8211.5010.85.3
Nov12° / 10112.70.79.52.8
Dec / 10012.81.68.81.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36436
46436
56436
66337
76337
86238
96238
106139
116139
126139
136139
146139
156139
166139
176139
186139
196139
206139
216139
226139
236139
246139
256040
266040
276040
286139
296139
306139
316139

Chance of precipitation in August

Any precipitation

Castres gets around 58 mm of rain over 8.5 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
427
527
627
727
826
926
1026
1126
1226
1325
1425
1525
1625
1726
1826
1926
2026
2127
2227
2328
2428
2529
2629
2729
2829
2929
3029
3129

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
122313511
223313512
323313412
423323312
523333211
624343111
724343111
824353011
924353010
1024363010
1125362910
1225362910
132537299
142537299
152537299
162636299
172636308
182635308
192735308
202734308
212833308
222933308
233032298
243231298
253431288
263530287
273729277
283929266
294128256
304228245
314428235

Wind in August

Winds average 11 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:44 AM to 6:18 AM, and sunset from 8:10 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:448:10
214.45:458:09
314.45:468:08
414.35:478:07
514.35:488:05
614.25:498:04
714.25:518:03
814.25:528:01
914.15:538:00
1014.15:547:58
1114.05:557:57
1214.05:567:56
1313.95:577:54
1413.95:587:53
1513.96:007:51
1613.86:017:49
1713.86:027:48
1813.76:037:46
1913.76:047:45
2013.66:057:43
2113.66:077:41
2213.56:087:40
2313.56:097:38
2413.46:107:36
2513.46:117:35
2613.36:127:33
2713.36:137:31
2813.26:157:29
2913.26:167:28
3013.16:177:26
3113.16:187:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.55 kWh/m².

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 6.31 kWh/m² in July across the year — August's 5.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Castres?

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

7.2
Sightseeing
2nd-best month of the year
6.7
Beach & pool
1st-best month of the year

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

What to pack for Castres in August

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

In August, Castres sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Castres in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Castres peaks around July 16 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 16UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Castres 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 Castres is worst in March — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2015 µg/m³Jul 2110 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar15Moderate
Apr15Moderate
May12Good
Jun12Good
Jul10Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Castres?

Castres sits at 43.6°N, 2.2°E, 183 m above sea level, in France. The nearest listed city is Albi, 37 km away.

Topography around Castres

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

Within 3 km, the terrain around Castres has only modest variations in elevation — a maximum elevation change of 112 m around an average of 195 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 846 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,265 m.

The land around Castres is covered by trees (37%), artificial surfaces (25%) and grassland (22%) within 3 km, trees (47%), cropland (27%) and grassland (23%) within 16 km, and trees (45%) and cropland (29%) within 80 km.

3 km
112 m
16 km
846 m
80 km
1,265 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: Albi 37 km · Carcassonne 44 km · Balma 60 km · Toulouse 64 km · Blagnac 69 km · Cugnaux 73 km · Colomiers 73 km · Tournefeuille 74 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 Castres (43.6053°, 2.2409°, elevation 183 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).