Barranco weather in October

In October, Barranco sees average daytime highs of 17°C and overnight lows near 15°C, with 5 mm of rain across 1.2 wet days and about 12.3 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 4% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Barranco's 7th-clearest and 4th-windiest month. For the whole year in context, see Barranco's year-round climate.

Daytime high
17°
9th warmest
Overnight low
15°
4th coldest
Rainfall
5 mm
1.2 wet days
Daylight
12 h 18 min
5:45 AM – 6:01 PM
Cloud cover
74%
7th clearest
Wind
17 km/h
4th windiest
Solar energy
6.88 kWh/m²
Travel score
6.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical October day in Barranco reaches about 17°C in the afternoon and slips back to 15°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 18°C. Set against its neighbours, October runs on par with September and about 1°C cooler than November.

10°13°15°18°20°151015202531
Avg high (°C)Avg low (°C)
11615
21615
31615
41715
51715
61715
71715
81715
91715
101715
111715
121715
131715
141715
151715
161715
171715
181715
191715
201715
211715
221715
231716
241716
251716
261716
271716
281716
291716
301716
311716

Barranco weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 20°71.712.67.3
Feb23° / 21°92.412.47.3
Mar22° / 21°41.312.17.4
Apr21° / 19°20.311.77.4
May19° / 17°62.111.47.0
Jun17° / 16°145.211.36.1
Jul17° / 15°176.811.45.5
Aug16° / 15°155.811.65.5
Sep16° / 15°103.411.95.7
Oct17° / 15°51.212.36.2
Nov18° / 16°40.812.66.8
Dec20° / 18°4112.77.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42674
52674
62674
72674
82575
92476
102476
112476
122476
132476
142278
152278
162179
172179
182179
192080
202080
212080
222080
232080
242080
252080
262080
272080
282080
292179
302179
312278

Chance of precipitation in October

Any precipitation

Barranco gets around 5 mm of rain over 1.2 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
26
36
46
55
65
75
85
94
104
114
124
134
144
154
164
174
184
194
204
214
224
234
243
253
263
273
283
293
303
313

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the comfortable band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
129251
229161
329260
429170
519270
619180
719180
819180
919090
1019090
1109190
12090100
13090100
14090100
15089110
16089110
17089110
18088120
19088120
20087130
21087130
22086140
23085150
24084160
25083170
26083170
27081190
28080200
29079210
30078220
31076240

Wind in October

Winds average 17 km/h in October.

Across October, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 5:54 AM to 5:39 AM, and sunset from 6:00 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:546:00
212.15:536:00
312.15:536:00
412.15:526:00
512.25:516:00
612.25:516:00
712.25:506:00
812.25:496:01
912.25:496:01
1012.25:486:01
1112.25:486:01
1212.25:476:01
1312.25:466:01
1412.35:466:01
1512.35:456:01
1612.35:456:01
1712.35:446:02
1812.35:446:02
1912.35:436:02
2012.35:436:02
2112.35:426:02
2212.35:426:02
2312.35:426:03
2412.45:416:03
2512.45:416:03
2612.45:406:03
2712.45:406:03
2812.45:406:04
2912.45:396:04
3012.45:396:04
3112.45:396:05

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.88 kWh/m².

For context, solar energy here swings from a low near 4.87 kWh/m² to a high of 7.09 kWh/m² in November across the year — October's 6.88 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in October

Is October a good time to visit Barranco?

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

6.2
Sightseeing
8th-best month of the year
1.4
Beach & pool
9th-best month of the year

October is a reasonable time to visit Barranco for sightseeing.

What to pack for Barranco in October

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

In October, Barranco sees daytime highs around 17°C and nights near 15°C. Pack sun protection. Worth having: a warm layer.

sun protectiona warm layer

Sea temperature near Barranco in October

The nearest coast averages about 17°C in October — 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.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb22Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun18Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in Barranco in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 12UV 15Jun 22UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar13Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep10Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Barranco in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2023 µg/m³Nov 2017 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar23Moderate
Apr22Moderate
May23Moderate
Jun22Moderate
Jul20Moderate
Aug19Moderate
Sep18Moderate
Oct18Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

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.

3 km
124 m
16 km
1,046 m
80 km
4,959 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Santiago de Surco 1.0 km · Miraflores 4.0 km · San Isidro 6.0 km · San Francisco De Borja 6.0 km · Jesus Maria 9.0 km · Breña 10 km · Lima 11 km · Santa Anita - Los Ficus 11 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
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).