Barranco in Winter
In winter (June, July and August), Barranco sees average daytime highs around 17°C and overnight lows near 15°C, with 45 mm of rain over about 18 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 17°C. The sky is clear or mostly clear about 6% of the time across winter, and the air most often feels comfortable.
Winter is Barranco's weakest season of the year to visit on our travel score. Barranco 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 Barranco's year-round climate.
- Avg daytime high
- 17°C
- coldest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 45 mm
- 18 wet days
- Avg wind
- 17 km/h
- Travel score
- 5.7
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Barranco in Winter
Across winter, daytime highs hold fairly steady around 17°C.
A typical winter day in Barranco reaches about 17°C and drops to 15°C overnight. The warmest of the three months is June, the coolest August.
Barranco weather by month
How the three winter 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 | 22° / 20° | 7 | 1.7 | 12.6 | 7.3 |
| Feb | 23° / 21° | 9 | 2.4 | 12.4 | 7.3 |
| Mar | 22° / 21° | 4 | 1.3 | 12.1 | 7.4 |
| Apr | 21° / 19° | 2 | 0.3 | 11.7 | 7.4 |
| May | 19° / 17° | 6 | 2.1 | 11.4 | 7.0 |
| Jun | 17° / 16° | 14 | 5.2 | 11.3 | 6.1 |
| Jul | 17° / 15° | 17 | 6.8 | 11.4 | 5.5 |
| Aug | 16° / 15° | 15 | 5.8 | 11.6 | 5.5 |
| Sep | 16° / 15° | 10 | 3.4 | 11.9 | 5.7 |
| Oct | 17° / 15° | 5 | 1.2 | 12.3 | 6.2 |
| Nov | 18° / 16° | 4 | 0.8 | 12.6 | 6.8 |
| Dec | 20° / 18° | 4 | 1 | 12.7 | 7.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 6% of the time across winter.
Chance of precipitation in Winter
Barranco gets around 45 mm of rain over 18 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 17 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 18 min in early June to 11 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.2 kWh/m².
Is winter a good time to visit Barranco?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Barranco for sightseeing.
What to pack for Barranco in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Barranco sees daytime highs around 17°C and nights near 15°C. Worth packing: a warm layer and sun protection. About 18 days see rain.
Sea temperature near Barranco in Winter
The nearest coast averages about 18°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 22°C and coldest in September near 17°C.
It's comfortable for a long swim from Jan 1 to Apr 9 — about 3.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 |
| Comfort | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 20 | Cool |
| May | 19 | Cool |
| Jun | 18 | Cool |
| Jul | 18 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 17 | Cool |
| Nov | 18 | Cool |
| Dec | 19 | Cool |
UV index in Barranco in Winter
Clear-sky midday UV across winter 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 Barranco peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (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) | 14 | 16 | 13 | 12 | 10 | 8 | 8 | 10 | 10 | 13 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Extreme |
| Sep | 10 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Barranco in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Barranco is worst in March — around 23 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 20 | 23 | 22 | 23 | 22 | 20 | 19 | 18 | 18 | 17 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 20 | Moderate |
| Mar | 23 | Moderate |
| Apr | 22 | Moderate |
| May | 23 | Moderate |
| Jun | 22 | Moderate |
| Jul | 20 | Moderate |
| Aug | 19 | Moderate |
| Sep | 18 | Moderate |
| Oct | 18 | Moderate |
| Nov | 17 | Moderate |
| Dec | 17 | Moderate |
Where is Barranco?
Barranco sits at 12.1°S, 77.0°W, 58 m above sea level, in Peru. The nearest listed city is Santiago de Surco, 1.0 km away.
Topography around Barranco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Barranco.
Within 3 km, the terrain around Barranco has only modest variations in elevation — a maximum elevation change of 124 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,046 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,959 m.
The land around Barranco is covered by artificial surfaces (67%) and water (25%) within 3 km, artificial surfaces (42%) and water (40%) within 16 km, and water (44%) and bare terrain (31%) within 80 km.
Peru travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 220 V · 60 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $9,684
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 8.6
- per 100k, 2021
- Road deaths
- 13.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 519
- 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 Barranco (-12.143°, -77.0186°, elevation 58 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.