Chancay weather in July

In July, Chancay sees average daytime highs of 19°C and overnight lows near 15°C, with 6 mm of rain across 0.8 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 3% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 11 h 18 min at the start of July to 11 h 30 min by month's end. Set against the rest of the year, July is Chancay's 5th-clearest and 5th-windiest month. For the whole year in context, see Chancay's year-round climate.

Daytime high
19°
11th warmest
Overnight low
15°
3rd coldest
Rainfall
6 mm
0.8 wet days
Daylight
11 h 24 min
6:33 AM – 5:56 PM
Cloud cover
63%
5th clearest
Wind
10 km/h
5th windiest
Solar energy
4.48 kWh/m²
Travel score
7.4
out of 10

Chancay is town in Chancay, Huaral, Lima, Peru.

Founded
1562

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical July day in Chancay reaches about 19°C in the afternoon and slips back to 15°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12016
22016
32016
42016
52016
62016
72016
82016
92016
102016
112016
121916
131915
141915
151915
161915
171915
181915
191915
201915
211915
221915
231915
241915
251915
261915
271915
281915
291915
301915
311915

Chancay weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 20°103.212.67.3
Feb26° / 20°164.712.46.8
Mar26° / 20°143.712.17.1
Apr24° / 19°41.111.88.0
May22° / 17°30.411.58.1
Jun20° / 16°50.511.37.6
Jul19° / 15°60.811.47.4
Aug19° / 15°50.511.67.4
Sep20° / 15°30.311.97.5
Oct21° / 16°20.212.37.5
Nov22° / 17°20.312.57.7
Dec23° / 18°4112.77.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 40% of July, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
43961
53862
63961
73961
83961
93961
103961
113961
123961
133961
144060
154060
164159
174159
184258
194357
204456
214456
224456
234555
244555
254654
264654
274753
284753
294753
304654
314654

Chance of precipitation in July

Any precipitation

Chancay gets around 6 mm of rain over 0.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
24
34
44
54
64
74
84
93
103
113
123
133
142
152
162
172
182
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1179191
2180181
3181171
4182161
5184150
6185140
7186130
8088120
9089110
10088111
11089101
1209091
1309181
1419081
1519171
1619171
1719261
1819261
1919351
2029251
2129251
2229251
2329341
2429341
2529341
2639241
2739241
2839340
2939340
3039340
3149330

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 18 min at the start of July to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over July. Sunrise moves from 6:33 AM to 6:31 AM, and sunset from 5:52 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:335:52
211.36:335:53
311.36:335:53
411.36:335:53
511.36:335:53
611.36:335:54
711.36:335:54
811.36:335:54
911.46:335:54
1011.46:335:55
1111.46:335:55
1211.46:335:55
1311.46:335:55
1411.46:335:56
1511.46:335:56
1611.46:335:56
1711.46:335:56
1811.46:335:57
1911.46:335:57
2011.46:335:57
2111.46:335:57
2211.46:335:58
2311.46:335:58
2411.46:325:58
2511.46:325:58
2611.46:325:58
2711.46:325:59
2811.56:325:59
2911.56:315:59
3011.56:315:59
3111.56:315:59

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.48 kWh/m².

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 6.56 kWh/m² in November across the year — July's 4.48 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in July

Is July a good time to visit Chancay?

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

7.4
Sightseeing
8th-best month of the year
3.4
Beach & pool
11th-best month of the year

July is one of the better times to visit Chancay for general sightseeing.

What to pack for Chancay in July

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

In July, Chancay sees daytime highs around 19°C and nights near 15°C. Little to plan around — just the basics.

Sea temperature near Chancay in July

The nearest coast averages about 18°C in July — 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 21°C and coldest in October near 17°C.

It's comfortable for a long swim from Jan 3 to Apr 9 — about 3.2 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun19Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in Chancay in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 Chancay peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (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 23UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Chancay in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Chancay is worst in May — around 30 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (January, 18 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 2130 µg/m³Jan 1818 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar23Moderate
Apr26Moderate
May30Moderate
Jun29Moderate
Jul27Moderate
Aug26Moderate
Sep24Moderate
Oct24Moderate
Nov23Moderate
Dec22Moderate
Location & terrain

Where is Chancay?

Chancay sits at 11.6°S, 77.3°W, 34 m above sea level, in Peru. The nearest listed city is Huaral, 11 km away.

Topography around Chancay

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

Within 3 km, the terrain around Chancay has significant variations in elevation — a maximum elevation change of 442 m around an average of 75 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 952 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,169 m.

The land around Chancay is covered by bare terrain (43%) and water (32%) within 3 km, water (48%) and bare terrain (26%) within 16 km, and water (44%) and bare terrain (30%) within 80 km.

3 km
442 m
16 km
952 m
80 km
5,169 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Huaral 11 km · Callao 55 km · Carmen De La Legua Reynoso 57 km · Lima 59 km · Breña 59 km · Jesus Maria 60 km · Santa Anita - Los Ficus 62 km · Huacho 63 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 Chancay (-11.5714°, -77.2672°, elevation 34 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).