Collado-Villalba weather in August

In August, Collado-Villalba sees average daytime highs of 28°C and overnight lows near 15°C, with 21 mm of rain across 5.2 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 66% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Collado-Villalba's 2nd-clearest and 10th-windiest month. For the whole year in context, see Collado-Villalba's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
21 mm
5.2 wet days
Daylight
13 h 36 min
6:31 AM – 8:09 PM
Cloud cover
31%
2nd clearest
Wind
8 km/h
10th windiest
Solar energy
6.77 kWh/m²
Travel score
7.1
out of 10

Collado-Villalba is capital city of Collado Villalba municipality, Madrid, Spain.

Air quality
Moderate
PM2.5 10.6 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 29°C in the first days to 27°C by the end.

A typical August day in Collado-Villalba reaches about 28°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12916
22916
32916
42916
52916
62916
72916
82916
92916
102916
112916
122916
132816
142816
152816
162815
172815
182815
192815
202815
212815
222815
232815
242715
252715
262715
272715
282714
292714
302714
312614

How August really feels in Collado-Villalba

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.

Collado-Villalba weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 599.64.99.40.9
Feb / 498.64.310.41.7
Mar12° / 6210.12.811.73.2
Apr14° / 7512.31.9134.0
May19° / 75120.314.25.7
Jun24° / 12°387.6014.97.4
Jul29° / 15°184.3014.67.1
Aug28° / 15°215.2013.67.1
Sep23° / 12°406.9012.37.4
Oct17° / 80100.210.95.3
Nov11° / 7410.41.89.72.5
Dec / 639.12.89.11.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
28812
38812
48812
58713
68713
78614
88614
98515
108515
118515
128416
138416
148416
158416
168416
178515
188515
198515
208515
218515
228416
238416
248416
258416
268317
278317
288317
298218
308218
318119

Chance of precipitation in August

Any precipitation

Collado-Villalba gets around 21 mm of rain over 5.2 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 17% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
214
314
415
515
615
716
816
916
1017
1117
1217
1318
1418
1518
1618
1718
1818
1918
2018
2118
2218
2317
2417
2517
2617
2717
2817
2917
3017
3117

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2964
3964
4964
5964
6964
7964
8964
9964
10964
11964
12964
13964
14964
15964
16964
17964
18973
19973
20973
21973
22973
23973
24973
25973
26964
27964
28964
29964
30964
31964

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
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
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 6:16 AM to 6:46 AM, and sunset from 8:28 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.26:168:28
214.26:178:27
314.16:188:26
414.16:198:24
514.16:208:23
614.06:218:22
714.06:228:21
813.96:238:20
913.96:248:18
1013.96:258:17
1113.86:268:16
1213.86:278:15
1313.76:288:13
1413.76:298:12
1513.76:308:10
1613.66:318:09
1713.66:328:08
1813.56:338:06
1913.56:348:05
2013.56:358:03
2113.46:368:02
2213.46:378:00
2313.36:387:59
2413.36:397:57
2513.36:407:55
2613.26:417:54
2713.26:427:52
2813.16:437:51
2913.16:447:49
3013.06:457:47
3113.06:467:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.77 kWh/m².

For context, solar energy here swings from a low near 1.79 kWh/m² to a high of 7.66 kWh/m² in July across the year — August's 6.77 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.3Intense
37.3Intense
47.2Intense
57.2Intense
67.2Intense
77.1Intense
87.1Intense
97.0Intense
107.0Intense
117.0Intense
126.9Intense
136.9Intense
146.8Intense
156.8Intense
166.8Intense
176.7Intense
186.7Intense
196.7Intense
206.6Intense
216.6Intense
226.5Intense
236.5Intense
246.4Intense
256.4Intense
266.3Intense
276.3Intense
286.3Intense
296.2Intense
306.2Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Collado-Villalba?

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

7.1
Sightseeing
3rd-best month of the year
8.1
Beach & pool
2nd-best month of the year

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

What to pack for Collado-Villalba in August

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

In August, Collado-Villalba sees daytime highs around 28°C and nights near 15°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Collado-Villalba in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Collado-Villalba peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 15UV 10Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr7High
May7High
Jun9Very high
Jul10Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Collado-Villalba?

Collado-Villalba sits at 40.6°N, 4.0°W, 884 m above sea level, in Spain. The nearest listed city is Galapagar, 6.0 km away.

Topography around Collado-Villalba

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

Within 3 km, the terrain around Collado-Villalba has only modest variations in elevation — a maximum elevation change of 222 m around an average of 908 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,601 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,012 m.

The land around Collado-Villalba is covered by trees (36%), grassland (31%) and artificial surfaces (28%) within 3 km, trees (50%) and grassland (37%) within 16 km, and grassland (37%), cropland (32%) and trees (25%) within 80 km.

3 km
222 m
16 km
1,601 m
80 km
2,012 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Galapagar 6.0 km · Torrelodones 9.0 km · El Escorial 12 km · San Lorenzo de El Escorial 13 km · Villanueva del Pardillo 16 km · Las Rozas de Madrid 19 km · Colmenar Viejo 20 km · Villanueva de la Cañada 21 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

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 Collado-Villalba (40.6351°, -4.0049°, elevation 884 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).