Los Andes in Summer
In summer (December, January and February), Los Andes sees average daytime highs around 20°C and overnight lows near 10°C, with 52 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.
Over the season highs climb from about 18°C in early December to 20°C by late February. The sky is clear or mostly clear about 87% of the time across summer, and the air most often feels dry.
Summer is Los Andes's best season of the year to visit on our travel score. For the whole year in context, see Los Andes's year-round climate.
- Avg daytime high
- 20°C
- warmest season of the year
- Avg overnight low
- 10°C
- Rainfall
- 52 mm
- 15 wet days
- Avg wind
- 5 km/h
- Travel score
- 7.9
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Los Andes in Summer
Over the season highs climb from about 18°C in early December to 20°C by late February.
A typical summer day in Los Andes reaches about 20°C and drops to 10°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Los Andes
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.
Los Andes 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 | 21° / 11° | 17 | 5 | 0 | 13.9 | 8.1 |
| Feb | 21° / 11° | 13 | 4.1 | 0 | 13.2 | 8.1 |
| Mar | 20° / 9° | 13 | 2.6 | 0.2 | 12.2 | 8.1 |
| Apr | 16° / 4° | 27 | 3.9 | 0.7 | 11.2 | 6.2 |
| May | 12° / 0° | 60 | 6.4 | 3.5 | 10.3 | 3.6 |
| Jun | 8° / -2° | 106 | 7.4 | 6.3 | 9.9 | 1.2 |
| Jul | 6° / -3° | 73 | 6.7 | 5.9 | 10.1 | 0.6 |
| Aug | 8° / -2° | 69 | 6.6 | 5.6 | 10.8 | 1.4 |
| Sep | 10° / 0° | 48 | 7.3 | 4.1 | 11.8 | 2.7 |
| Oct | 14° / 2° | 43 | 9 | 2.3 | 12.8 | 4.3 |
| Nov | 17° / 5° | 32 | 8.2 | 0.4 | 13.7 | 6.1 |
| Dec | 20° / 8° | 22 | 6 | 0 | 14.1 | 7.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 87% of the time across summer.
Chance of precipitation in Summer
Los Andes gets around 52 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 hours 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 8.6 kWh/m².
Hazard calendar for Los Andes
None of Los Andes's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Los Andes's rainy season runs May–September, when most of the year's rain falls.
Is summer a good time to visit Los Andes?
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 Los Andes for general sightseeing.
What to pack for Los Andes in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Los Andes sees daytime highs around 20°C and nights near 10°C. Pack sun protection. About 15 days see rain.
UV index in Los Andes 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 Los Andes peaks around January 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 5 (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) | 16 | 15 | 12 | 8 | 5 | 5 | 5 | 7 | 8 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 15 | Extreme |
| Mar | 12 | Extreme |
| Apr | 8 | Very high |
| May | 5 | High |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 7 | High |
| Sep | 8 | Very high |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Los Andes 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 Los Andes is worst in July — around 118 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (January, 25 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) | 25 | 28 | 41 | 58 | 84 | 104 | 118 | 102 | 82 | 55 | 36 | 26 |
| Level | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 25 | Moderate |
| Feb | 28 | Moderate |
| Mar | 41 | Poor |
| Apr | 58 | Unhealthy |
| May | 84 | Unhealthy |
| Jun | 104 | Unhealthy |
| Jul | 118 | Unhealthy |
| Aug | 102 | Unhealthy |
| Sep | 82 | Unhealthy |
| Oct | 55 | Poor |
| Nov | 36 | Poor |
| Dec | 26 | Moderate |
Where is Los Andes?
Los Andes sits at 32.8°S, 70.6°W, 833 m above sea level, in Chile. The nearest listed city is San Esteban, 4.0 km away.
Topography around Los Andes
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Los Andes.
Within 3 km, the terrain around Los Andes has significant variations in elevation — a maximum elevation change of 406 m around an average of 831 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,054 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,840 m.
The land around Los Andes is covered by cropland (30%) and artificial surfaces (29%) within 3 km, shrubs (40%) and grassland (23%) within 16 km, and bare terrain (37%) and shrubs (29%) 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 Los Andes (-32.8337°, -70.5983°, elevation 833 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.