Chancay in Winter
In winter (June, July and August), Chancay sees average daytime highs around 20°C and overnight lows near 15°C, with 15 mm of rain over about 2 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 20°C. The sky is clear or mostly clear about 5% of the time across winter, and the air most often feels comfortable.
Winter is Chancay's 3rd-best season to visit on our travel score. For the whole year in context, see Chancay's year-round climate.
- Avg daytime high
- 20°C
- coldest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 15 mm
- 2 wet days
- Avg wind
- 10 km/h
- Travel score
- 7.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Chancay in Winter
Across winter, daytime highs hold fairly steady around 20°C.
A typical winter day in Chancay reaches about 20°C and drops to 15°C overnight. The warmest of the three months is June, the coolest August.
Chancay 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 | 25° / 20° | 10 | 3.2 | 12.6 | 7.3 |
| Feb | 26° / 20° | 16 | 4.7 | 12.4 | 6.8 |
| Mar | 26° / 20° | 14 | 3.7 | 12.1 | 7.1 |
| Apr | 24° / 19° | 4 | 1.1 | 11.8 | 8.0 |
| May | 22° / 17° | 3 | 0.4 | 11.5 | 8.1 |
| Jun | 20° / 16° | 5 | 0.5 | 11.3 | 7.6 |
| Jul | 19° / 15° | 6 | 0.8 | 11.4 | 7.4 |
| Aug | 19° / 15° | 5 | 0.5 | 11.6 | 7.4 |
| Sep | 20° / 15° | 3 | 0.3 | 11.9 | 7.5 |
| Oct | 21° / 16° | 2 | 0.2 | 12.3 | 7.5 |
| Nov | 22° / 17° | 2 | 0.3 | 12.5 | 7.7 |
| Dec | 23° / 18° | 4 | 1 | 12.7 | 7.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 5% of the time across winter.
Chance of precipitation in Winter
Chancay gets around 15 mm of rain over 2 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 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 24 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 4.6 kWh/m².
Is winter a good time to visit Chancay?
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 one of the better times to visit Chancay for general sightseeing.
What to pack for Chancay in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Chancay sees daytime highs around 20°C and nights near 15°C. Worth packing: sun protection.
Sea temperature near Chancay 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 21 | 21 | 20 | 19 | 19 | 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 | 21 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 20 | Cool |
| May | 19 | Cool |
| Jun | 19 | Cool |
| Jul | 18 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 17 | Cool |
| Nov | 18 | Cool |
| Dec | 19 | Cool |
UV index in Chancay 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 16 | 14 | 12 | 10 | 9 | 9 | 11 | 11 | 13 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Chancay 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 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 20 | 23 | 26 | 30 | 29 | 27 | 26 | 24 | 24 | 23 | 22 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 20 | Moderate |
| Mar | 23 | Moderate |
| Apr | 26 | Moderate |
| May | 30 | Moderate |
| Jun | 29 | Moderate |
| Jul | 27 | Moderate |
| Aug | 26 | Moderate |
| Sep | 24 | Moderate |
| Oct | 24 | Moderate |
| Nov | 23 | Moderate |
| Dec | 22 | Moderate |
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.
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 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.