Colmenar Viejo in Summer
In summer (June, July and August), Colmenar Viejo sees average daytime highs around 29°C and overnight lows near 15°C, with 60 mm of rain over about 15 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 23°C in early June to 28°C by late August. The sky is clear or mostly clear about 65% of the time across summer, and the air most often feels dry.
Summer is Colmenar Viejo's best season of the year to visit on our travel score. For the whole year in context, see Colmenar Viejo's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 60 mm
- 15 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Colmenar Viejo in Summer
Over the season highs climb from about 23°C in early June to 28°C by late August.
A typical summer day in Colmenar Viejo reaches about 29°C and drops to 15°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Colmenar Viejo
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.
Colmenar Viejo 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° / 1° | 51 | 8.8 | 4.2 | 9.4 | 1.5 |
| Feb | 10° / 1° | 42 | 7.6 | 3.7 | 10.4 | 2.5 |
| Mar | 14° / 3° | 53 | 9.2 | 2.4 | 11.7 | 4.1 |
| Apr | 16° / 5° | 64 | 11.2 | 1.6 | 13.1 | 4.8 |
| May | 20° / 9° | 60 | 10.9 | 0.3 | 14.2 | 6.3 |
| Jun | 26° / 13° | 29 | 6.9 | 0 | 14.9 | 7.3 |
| Jul | 30° / 16° | 14 | 3.4 | 0 | 14.6 | 6.1 |
| Aug | 30° / 16° | 17 | 4.4 | 0 | 13.6 | 6.3 |
| Sep | 25° / 12° | 32 | 6 | 0 | 12.3 | 7.6 |
| Oct | 18° / 8° | 70 | 9.2 | 0.2 | 10.9 | 5.9 |
| Nov | 12° / 4° | 65 | 9.5 | 1.5 | 9.7 | 3.2 |
| Dec | 9° / 2° | 52 | 8.2 | 2.5 | 9.1 | 1.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 65% of the time across summer.
Chance of precipitation in Summer
Colmenar Viejo gets around 60 mm of rain over 15 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 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 42 min in early June to 13 hours 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 7.3 kWh/m².
Is summer a good time to visit Colmenar Viejo?
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 a reasonable time to visit Colmenar Viejo for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Colmenar Viejo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Colmenar Viejo sees daytime highs around 29°C and nights near 15°C. Pack light clothes and sun protection. About 15 days see rain.
UV index in Colmenar Viejo in Summer
Clear-sky midday UV across summer averages 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 Colmenar Viejo 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 7 | 7 | 9 | 10 | 9 | 7 | 4 | 2 | 2 |
| Level | Low | Moderate | High | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Where is Colmenar Viejo?
Colmenar Viejo sits at 40.7°N, 3.8°W, 889 m above sea level, in Spain. The nearest listed city is Tres Cantos, 8.0 km away.
Topography around Colmenar Viejo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colmenar Viejo.
Within 3 km, the terrain around Colmenar Viejo has significant variations in elevation — a maximum elevation change of 270 m around an average of 852 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,267 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,988 m.
The land around Colmenar Viejo is covered by grassland (68%) and artificial surfaces (23%) within 3 km, grassland (62%) and trees (25%) within 16 km, and grassland (36%), cropland (31%) and trees (26%) within 80 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
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 Colmenar Viejo (40.6591°, -3.7676°, elevation 889 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.