Puente Alto in Summer
In summer (December, January and February), Puente Alto sees average daytime highs around 23°C and overnight lows near 11°C, with 55 mm of rain over about 15 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across summer, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 85% of the time across summer, and the air most often feels dry.
Summer is Puente Alto's best season of the year to visit on our travel score. For the whole year in context, see Puente Alto's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 55 mm
- 15 wet days
- Avg wind
- 5 km/h
- Travel score
- 8.5
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Puente Alto in Summer
Across summer, daytime highs hold fairly steady around 23°C.
A typical summer day in Puente Alto reaches about 23°C and drops to 11°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Puente Alto
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Puente Alto 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 24° / 12° | 15 | 3.9 | 0 | 14 | 8.8 |
| Feb | 23° / 11° | 14 | 4.1 | 0 | 13.2 | 8.7 |
| Mar | 22° / 10° | 15 | 2.8 | 0 | 12.3 | 8.6 |
| Apr | 18° / 6° | 39 | 4.4 | 0.5 | 11.2 | 7.1 |
| May | 14° / 3° | 80 | 7.1 | 2.3 | 10.3 | 4.6 |
| Jun | 10° / -0° | 129 | 8.6 | 5.3 | 9.8 | 2.4 |
| Jul | 9° / -2° | 97 | 8 | 5.3 | 10 | 1.9 |
| Aug | 11° / -0° | 90 | 8 | 5.2 | 10.8 | 2.9 |
| Sep | 14° / 2° | 72 | 9 | 3.6 | 11.8 | 4.1 |
| Oct | 16° / 4° | 62 | 11 | 2 | 12.8 | 5.3 |
| Nov | 19° / 7° | 45 | 10.3 | 0.4 | 13.7 | 6.6 |
| Dec | 22° / 10° | 25 | 6.7 | 0 | 14.2 | 7.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 85% of the time across summer.
Chance of precipitation in Summer
Puente Alto gets around 55 mm of rain over 15 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 min in early December to 12 h 48 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 8.4 kWh/m².
Hazard calendar for Puente Alto
None of Puente Alto's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Puente Alto's rainy season runs May–October, when most of the year's rain falls.
Is summer a good time to visit Puente Alto?
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 one of the better times to visit Puente Alto for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Puente Alto in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Puente Alto sees daytime highs around 23°C and nights near 11°C. Pack sun protection. Worth having: light clothes. About 15 days see rain.
UV index in Puente Alto in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Puente Alto peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 4 (moderate).
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 | 13 | 11 | 6 | 4 | 4 | 4 | 6 | 7 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 7 | Very high |
| Oct | 10 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Puente Alto 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 Puente Alto is worst in July — around 46 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (December, 12 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Puente Alto's WHO annual average of 26.1 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 13 | 17 | 24 | 34 | 41 | 46 | 41 | 33 | 23 | 15 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 17 | Moderate |
| Apr | 24 | Moderate |
| May | 34 | Moderate |
| Jun | 41 | Poor |
| Jul | 46 | Poor |
| Aug | 41 | Poor |
| Sep | 33 | Moderate |
| Oct | 23 | Moderate |
| Nov | 15 | Moderate |
| Dec | 12 | Good |
Where is Puente Alto?
Puente Alto sits at 33.6°S, 70.6°W, 700 m above sea level, in Chile. The nearest listed city is La Pintana, 6.0 km away.
Topography around Puente Alto
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Puente Alto.
Within 3 km, the terrain around Puente Alto has only modest variations in elevation — a maximum elevation change of 231 m around an average of 687 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,436 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,491 m.
The land around Puente Alto is covered by artificial surfaces (63%) within 3 km, artificial surfaces (30%) and shrubs (24%) within 16 km, and bare terrain (30%), shrubs (24%) and grassland (20%) within 80 km.
Chile travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 220 V · 50 Hz
- Prices
- ≈ 48% of US
- price level, 2025
- GDP per capita
- $17,995
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 6.3
- per 100k, 2023
- Road deaths
- 14.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 517
- 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 Puente Alto (-33.6117°, -70.5758°, elevation 700 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.