Chosica in Summer
In summer (December, January and February), Chosica sees average daytime highs around 23°C and overnight lows near 17°C, with 188 mm of rain over about 39 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 5% of the time across summer, and the air most often feels humid.
Summer is Chosica's weakest season of the year to visit on our travel score. Chosica 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 Chosica's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 188 mm
- 39 wet days
- Avg wind
- 4 km/h
- Travel score
- 5.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Chosica in Summer
Across summer, daytime highs hold fairly steady around 23°C.
A typical summer day in Chosica reaches about 23°C and drops to 17°C overnight. The warmest of the three months is December, the coolest December.
Chosica weather by month
How the three summer months (December, January and February) 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 | 23° / 17° | 64 | 13.9 | 12.6 | 5.8 |
| Feb | 23° / 17° | 104 | 19.2 | 12.4 | 4.7 |
| Mar | 23° / 17° | 89 | 18.4 | 12.1 | 5.1 |
| Apr | 23° / 17° | 26 | 6.4 | 11.7 | 7.1 |
| May | 23° / 16° | 4 | 1.3 | 11.5 | 8.7 |
| Jun | 22° / 16° | 0 | 0.1 | 11.3 | 9.0 |
| Jul | 22° / 16° | 1 | 0.2 | 11.4 | 9.1 |
| Aug | 22° / 16° | 1 | 0.2 | 11.6 | 9.1 |
| Sep | 22° / 16° | 4 | 1.3 | 11.9 | 8.5 |
| Oct | 22° / 16° | 9 | 2.7 | 12.3 | 7.9 |
| Nov | 23° / 16° | 8 | 2 | 12.5 | 7.8 |
| Dec | 23° / 17° | 20 | 6.2 | 12.7 | 7.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 5% of the time across summer.
Chance of precipitation in Summer
Chosica gets around 188 mm of rain over 39 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 42 min in early December to 12 h 18 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.9 kWh/m².
Is summer a good time to visit Chosica?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Chosica for sightseeing.
What to pack for Chosica in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Chosica sees daytime highs around 23°C and nights near 17°C. Pack rain gear and sun protection. Worth having: light clothes. About 39 days see rain.
Sea temperature near Chosica in Summer
The nearest coast averages about 20°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 46 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 | 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 | 21 | 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 Chosica in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chosica peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 | 17 | 14 | 13 | 11 | 9 | 10 | 12 | 12 | 14 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 17 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Chosica in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Chosica is worst in May — around 37 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (January, 20 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) | 20 | 22 | 24 | 31 | 37 | 36 | 35 | 33 | 30 | 26 | 24 | 23 |
| Level | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 22 | Moderate |
| Mar | 24 | Moderate |
| Apr | 31 | Moderate |
| May | 37 | Poor |
| Jun | 36 | Poor |
| Jul | 35 | Moderate |
| Aug | 33 | Moderate |
| Sep | 30 | Moderate |
| Oct | 26 | Moderate |
| Nov | 24 | Moderate |
| Dec | 23 | Moderate |
Where is Chosica?
Chosica sits at 11.9°S, 76.7°W, 831 m above sea level, in Peru. The nearest listed city is Santa Anita - Los Ficus, 31 km away.
Topography around Chosica
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chosica.
Within 3 km, the terrain around Chosica has large variations in elevation — a maximum elevation change of 882 m around an average of 1,070 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,964 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,661 m.
The land around Chosica is covered by bare terrain (76%) within 3 km, bare terrain (74%) within 16 km, and bare terrain (35%), grassland (25%) and water (22%) 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 Chosica (-11.9431°, -76.7094°, elevation 831 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.