Santiago de Surco weather in August

In August, Santiago de Surco sees average daytime highs of 16°C and overnight lows near 15°C, with 15 mm of rain across 5.8 wet days and about 11.6 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 6% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Santiago de Surco's 1st-clearest and 1st-windiest month. For the whole year in context, see Santiago de Surco's year-round climate.

Daytime high
16°
12th warmest
Overnight low
15°
1st coldest
Rainfall
15 mm
5.8 wet days
Daylight
11 h 36 min
6:24 AM – 6:00 PM
Cloud cover
66%
1st clearest
Wind
18 km/h
1st windiest
Solar energy
5.73 kWh/m²
Travel score
5.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical August day in Santiago de Surco reaches about 16°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 15°C and 17°C. Set against its neighbours, August runs on par with July and on par with September.

10°13°15°18°20°151015202531
Avg high (°C)Avg low (°C)
11615
21615
31615
41615
51615
61615
71615
81615
91615
101615
111615
121615
131615
141615
151615
161615
171615
181615
191615
201615
211615
221615
231615
241615
251615
261615
271615
281615
291615
301615
311615

Santiago de Surco weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 2nd-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 28% of August, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
43070
53070
63070
73169
83169
93268
103268
113367
123367
133565
143565
153565
163664
173664
183664
193664
203763
213763
223763
233763
243862
253862
263862
273961
283961
293961
303961
314060

Chance of precipitation in August

Any precipitation

Santiago de Surco gets around 15 mm of rain over 5.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
222
321
421
520
620
719
819
918
1018
1118
1217
1317
1418
1518
1618
1719
1819
1919
2019
2119
2219
2319
2418
2518
2617
2717
2816
2915
3015
3114

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
129521
229521
329521
429521
539421
639322
739322
839322
939322
1049222
1149222
1249222
1349222
1449222
1549321
1649321
1749321
1839421
1939331
2039331
2139430
2239430
2339430
2439430
2549330
2649330
2749240
2849240
2949240
3049240
3149141

Wind in August

Winds average 18 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 30 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over August. Sunrise moves from 6:30 AM to 6:15 AM, and sunset from 5:58 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:305:58
211.56:305:58
311.56:305:58
411.56:295:58
511.56:295:59
611.56:295:59
711.56:285:59
811.56:285:59
911.56:275:59
1011.56:275:59
1111.56:275:59
1211.66:266:00
1311.66:266:00
1411.66:256:00
1511.66:256:00
1611.66:246:00
1711.66:246:00
1811.66:236:00
1911.66:236:00
2011.66:226:00
2111.66:226:00
2211.76:216:00
2311.76:206:00
2411.76:206:00
2511.76:196:01
2611.76:196:01
2711.76:186:01
2811.76:176:01
2911.76:176:01
3011.76:166:01
3111.86:156:01

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.73 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 — August's 5.73 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Santiago de Surco?

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

5.5
Sightseeing
11th-best month of the year
0.9
Beach & pool
12th-best month of the year

August is a reasonable time to visit Santiago de Surco for sightseeing.

What to pack for Santiago de Surco in August

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

In August, Santiago de Surco sees daytime highs around 16°C and nights near 15°C. Worth packing: a warm layer and sun protection. About 6 days see rain.

a warm layersun protection

Sea temperature near Santiago de Surco in August

The nearest coast averages about 17°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) 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 Santiago de Surco in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santiago de Surco 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 Santiago de Surco in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Santiago de Surco 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 Santiago de Surco?

Santiago de Surco sits at 12.1°S, 77.0°W, 92 m above sea level, in Peru. The nearest listed city is Barranco, 1.0 km away.

Topography around Santiago de Surco

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago de Surco.

Within 3 km, the terrain around Santiago de Surco has only modest variations in elevation — a maximum elevation change of 158 m around an average of 86 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 Santiago de Surco is covered by artificial surfaces (86%) within 3 km, artificial surfaces (43%) and water (35%) within 16 km, and water (43%) and bare terrain (31%) within 80 km.

3 km
158 m
16 km
1,046 m
80 km
4,959 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Barranco 1.0 km · Miraflores 4.0 km · San Francisco De Borja 5.0 km · San Isidro 6.0 km · Jesus Maria 8.0 km · Breña 10 km · Santa Anita - Los Ficus 10 km · Lima 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 Santiago de Surco (-12.1359°, -77.0074°, elevation 92 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).