Barcelona in Summer
In summer (June, July and August), Barcelona sees average daytime highs around 27°C and overnight lows near 25°C, with 156 mm of rain over about 36 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 19% of the time across summer, and the air most often feels oppressive.
Summer is Barcelona's weakest season of the year to visit on our travel score. Barcelona has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Barcelona's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 156 mm
- 36 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Barcelona in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Barcelona reaches about 27°C and drops to 25°C overnight. The warmest of the three months is August, the coolest July.
How summer really feels in Barcelona
Once humidity and wind are folded in, summer brings about 1 day that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Barcelona 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 | 25° / 24° | 4 | 0.7 | 11.5 | 8.7 |
| Feb | 25° / 24° | 3 | 0.3 | 11.7 | 8.8 |
| Mar | 25° / 24° | 7 | 0.8 | 11.9 | 8.4 |
| Apr | 26° / 25° | 10 | 1.9 | 12.2 | 7.8 |
| May | 27° / 25° | 38 | 7 | 12.5 | 6.8 |
| Jun | 27° / 25° | 47 | 11.3 | 12.6 | 6.1 |
| Jul | 27° / 25° | 52 | 11.5 | 12.5 | 6.2 |
| Aug | 27° / 26° | 57 | 12.7 | 12.3 | 5.9 |
| Sep | 28° / 26° | 43 | 10.2 | 12.1 | 5.7 |
| Oct | 28° / 26° | 33 | 7.6 | 11.8 | 6.4 |
| Nov | 27° / 26° | 33 | 7.4 | 11.5 | 6.8 |
| Dec | 26° / 25° | 8 | 2 | 11.4 | 8.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 19% of the time across summer.
Chance of precipitation in Summer
Barcelona gets around 156 mm of rain over 36 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — 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 12 h 30 min in early June to 12 h 12 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 5.7 kWh/m².
Is summer a good time to visit Barcelona?
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 Barcelona for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Barcelona in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Barcelona sees daytime highs around 27°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 36 days see rain.
Sea temperature near Barcelona in Summer
The nearest coast averages about 27°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 21 km away) is warmest in October at about 28°C and coldest in February near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 24 | 25 | 25 | 26 | 26 | 26 | 28 | 28 | 28 | 28 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 24 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 26 | Warm |
| Jun | 26 | Warm |
| Jul | 26 | Warm |
| Aug | 28 | Warm |
| Sep | 28 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 26 | Warm |
UV index in Barcelona in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Barcelona peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 12 | 13 | 13 | 11 | 11 | 11 | 11 | 12 | 11 | 9 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Barcelona 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 Barcelona is worst in September — around 53 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (January, 16 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Barcelona's WHO annual average of 35 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 16 | 20 | 26 | 36 | 40 | 41 | 48 | 43 | 53 | 42 | 34 | 20 |
| Level | Moderate | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 20 | Moderate |
| Mar | 26 | Moderate |
| Apr | 36 | Poor |
| May | 40 | Poor |
| Jun | 41 | Poor |
| Jul | 48 | Poor |
| Aug | 43 | Poor |
| Sep | 53 | Poor |
| Oct | 42 | Poor |
| Nov | 34 | Moderate |
| Dec | 20 | Moderate |
Where is Barcelona?
Barcelona sits at 10.1°N, 64.7°W, 3 m above sea level, in Venezuela. The nearest listed city is Lecherías, 6.0 km away.
Topography around Barcelona
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Barcelona.
Within 3 km, the terrain around Barcelona has only modest variations in elevation — a maximum elevation change of 145 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 871 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,576 m.
The land around Barcelona is covered by artificial surfaces (65%) within 3 km, water (37%) and trees (31%) within 16 km, and trees (49%) and water (35%) within 80 km.
Venezuela travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 0% of US
- price level, 2011
- GDP per capita
- $3,495
- 2025
- Happiness
- 5.8 / 10
- World Happiness, 2025
- Homicide rate
- 12.6
- per 100k, 2022
- Road deaths
- 39
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Moderate
- EF EPI 520
- 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 Barcelona (10.1384°, -64.6877°, elevation 3 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.