Castres weather in April

In April, Castres sees average daytime highs of 15°C and overnight lows near 7°C, with 103 mm of precipitation across 13 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 16°C by the end. The sky is clear or mostly clear about 25% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Castres's 6th-clearest and 1st-windiest month. For the whole year in context, see Castres's year-round climate.

Daytime high
15°
7th warmest
Overnight low
6th coldest
Precipitation
103 mm
13 wet days
Daylight
13 h 12 min
6:15 AM – 7:27 PM
Cloud cover
62%
6th clearest
Wind
14 km/h
1st windiest
Solar energy
4.9 kWh/m²
Travel score
4.3
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 16°C by the end.

A typical April day in Castres reaches about 15°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 20°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1145
2145
3146
4146
5146
6146
7146
8146
9146
10156
11156
12156
13156
14156
15156
16156
17156
18157
19167
20167
21167
22167
23167
24167
25167
26168
27168
28168
29178
30178

How April really feels in Castres

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53862
63862
73961
83961
93961
104060
114060
124060
134060
144060
154159
164159
174060
184060
193961
203961
213961
223862
233763
243763
253763
263664
273664
283565
293565
303466

Chance of precipitation in April

Any precipitationSnow

Castres gets around 103 mm of rain and snow over 13 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 43% and peaks near 46% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1432
2432
3432
4432
5431
6431
7431
8431
9431
10431
11431
12431
13431
14431
15421
16421
17421
18421
19421
20421
21421
22431
23431
24441
25441
26451
27451
28451
29461
30461

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
24991
25991
26991
27991
28982
29982
30973

Wind in April

Winds average 14 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3014light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:42 AM to 5:53 AM, and sunset from 7:09 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:427:09
212.56:407:10
312.56:397:12
412.66:377:13
512.76:357:14
612.76:337:15
712.86:317:16
812.86:297:18
912.96:287:19
1012.96:267:20
1113.06:247:21
1213.06:227:22
1313.16:217:24
1413.16:197:25
1513.16:177:26
1613.26:157:27
1713.26:147:28
1813.36:127:30
1913.36:107:31
2013.46:097:32
2113.46:077:33
2213.56:057:34
2313.56:047:36
2413.66:027:37
2513.66:007:38
2613.75:597:39
2713.75:577:40
2813.85:567:42
2913.85:547:43
3013.95:537:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.9 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 — April's 4.9 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Castres?

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

4.3
Sightseeing
7th-best month of the year
0.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Castres for sightseeing.

What to pack for Castres in April

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

In April, Castres sees daytime highs around 15°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Castres in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — 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 April

GoodModeratePoorUnhealthyVery unhealthy

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