Rubí in Summer
In summer (June, July and August), Rubí sees average daytime highs around 27°C and overnight lows near 18°C, with 126 mm of rain over about 21 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 24°C in early June to 27°C by late August. The sky is clear or mostly clear about 54% of the time across summer, and the air most often feels humid.
Summer is Rubí's best season of the year to visit on our travel score. For the whole year in context, see Rubí's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 126 mm
- 21 wet days
- Avg wind
- 8 km/h
- Travel score
- 7.2
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Rubí in Summer
Over the season highs climb from about 24°C in early June to 27°C by late August.
A typical summer day in Rubí reaches about 27°C and drops to 18°C overnight. The warmest of the three months is August, the coolest June.
Rubí 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 3° | 38 | 6.1 | 9.3 | 3.8 |
| Feb | 14° / 4° | 34 | 6.1 | 10.3 | 4.4 |
| Mar | 16° / 6° | 44 | 7.2 | 11.7 | 5.5 |
| Apr | 18° / 8° | 61 | 9.5 | 13.1 | 6.0 |
| May | 21° / 12° | 55 | 8.7 | 14.3 | 6.8 |
| Jun | 25° / 16° | 42 | 6.8 | 14.9 | 7.6 |
| Jul | 28° / 19° | 34 | 5.8 | 14.7 | 7.3 |
| Aug | 28° / 19° | 50 | 7.9 | 13.7 | 6.8 |
| Sep | 25° / 16° | 87 | 11.6 | 12.3 | 6.7 |
| Oct | 21° / 12° | 90 | 10.5 | 10.9 | 6.4 |
| Nov | 16° / 7° | 58 | 7.3 | 9.7 | 5.5 |
| Dec | 13° / 4° | 39 | 5.7 | 9.1 | 4.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 54% of the time across summer.
Chance of precipitation in Summer
Rubí gets around 126 mm of rain over 21 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 48 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 6.6 kWh/m².
Is summer a good time to visit Rubí?
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 Rubí for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rubí in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Rubí sees daytime highs around 27°C and nights near 18°C. Pack light clothes and sun protection. About 21 days see rain.
Sea temperature near Rubí in Summer
The nearest coast averages about 23°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 31 km away) is warmest in August at about 25°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 11 to Oct 23 — about 4.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 13 | 14 | 17 | 21 | 24 | 25 | 24 | 21 | 17 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Warm | Refreshing | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 14 | Bracing |
| May | 17 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 24 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 17 | Cool |
| Dec | 15 | Bracing |
UV index in Rubí 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 Rubí peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 7 | 6 | 8 | 9 | 8 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Rubí?
Rubí sits at 41.5°N, 2.0°E, 145 m above sea level, in Spain. The nearest listed city is Sant Cugat del Vallès, 5.0 km away.
Topography around Rubí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rubí.
Within 3 km, the terrain around Rubí has only modest variations in elevation — a maximum elevation change of 204 m around an average of 159 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 991 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,273 m.
The land around Rubí is covered by trees (41%) and artificial surfaces (37%) within 3 km, trees (53%) and artificial surfaces (29%) within 16 km, and trees (44%) and water (29%) 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 Rubí (41.4923°, 2.033°, elevation 145 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.