Castres in Summer
In summer (June, July and August), Castres sees average daytime highs around 25°C and overnight lows near 15°C, with 192 mm of rain over about 27 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 21°C in early June to 24°C by late August. The sky is clear or mostly clear about 42% of the time across summer, and the air most often feels dry.
Summer is Castres's best season of the year to visit on our travel score. For the whole year in context, see Castres's year-round climate.
- Avg daytime high
- 25°C
- warmest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 192 mm
- 27 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.1
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Castres in Summer
Over the season highs climb from about 21°C in early June to 24°C by late August.
A typical summer day in Castres reaches about 25°C and drops to 15°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Castres
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer 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 the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 2° | 105 | 13 | 3 | 9.1 | 1.2 |
| Feb | 9° / 2° | 82 | 11.2 | 2.7 | 10.2 | 1.8 |
| Mar | 13° / 4° | 89 | 11.8 | 1.6 | 11.6 | 3.3 |
| Apr | 15° / 7° | 103 | 13 | 0.3 | 13.2 | 4.3 |
| May | 19° / 10° | 104 | 12.4 | 0.1 | 14.5 | 5.6 |
| Jun | 23° / 13° | 75 | 10 | 0 | 15.2 | 6.8 |
| Jul | 25° / 15° | 59 | 8.8 | 0 | 14.9 | 7.3 |
| Aug | 26° / 15° | 58 | 8.5 | 0 | 13.8 | 7.2 |
| Sep | 22° / 12° | 73 | 9.2 | 0 | 12.3 | 6.8 |
| Oct | 17° / 10° | 82 | 11.5 | 0 | 10.8 | 5.3 |
| Nov | 12° / 5° | 101 | 12.7 | 0.7 | 9.5 | 2.8 |
| Dec | 9° / 3° | 100 | 12.8 | 1.6 | 8.8 | 1.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 42% of the time across summer.
Chance of precipitation in Summer
Castres gets around 192 mm of rain over 27 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 hours in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².
Is summer a good time to visit Castres?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer 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 Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Castres sees daytime highs around 25°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 27 days see rain.
UV index in Castres in Summer
Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 4 | 5 | 7 | 8 | 9 | 8 | 5 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Castres in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 13 | 15 | 15 | 12 | 12 | 10 | 10 | 10 | 11 | 11 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 15 | Moderate |
| May | 12 | Good |
| Jun | 12 | Good |
| Jul | 10 | Good |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 13 | Moderate |
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.
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
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.