El Monte in Summer

In summer (December, January and February), El Monte sees average daytime highs around 28°C and overnight lows near 14°C, with 13 mm of rain over about 2 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 28°C. The sky is clear or mostly clear about 87% of the time across summer, and the air most often feels dry.

Summer is El Monte's best season of the year to visit on our travel score. For the whole year in context, see El Monte's year-round climate.

Avg daytime high
28°C
warmest season of the year
Avg overnight low
14°C
Rainfall
13 mm
2 wet days
Avg wind
6 km/h
Travel score
8.0
best season of the year
Months
Dec · Jan · Feb

Temperature in El Monte in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 28°C.

A typical summer day in El Monte reaches about 28°C and drops to 14°C overnight. The warmest of the three months is January, the coolest December.

10°20°30°DecJanFeb

El Monte 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 15°30.6147.5
Feb28° / 14°50.813.38.0
Mar27° / 12°111.412.38.7
Apr22° / 393.811.28.0
May18° / 826.310.36.3
Jun15° / 1448.89.84.5
Jul15° / 987.3104.6
Aug16° / 82710.75.5
Sep18° / 495.711.86.6
Oct21° / 293.712.87.7
Nov25° / 11°11213.78.8
Dec28° / 13°50.814.28.4

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

El Monte gets around 13 mm of rain over 2 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 6 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

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.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 8.5 kWh/m².

0246810DecJanFeb
Planning a trip in summer

Hazard calendar for El Monte

In seasonPeak

None of El Monte's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

El Monte's rainy season runs May–August, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit El Monte?

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.

8.0
Sightseeing
1st-best month of the year
9.2
Beach & pool
1st-best month of the year

summer is one of the better times to visit El Monte for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for El Monte in Summer

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

In summer, El Monte sees daytime highs around 28°C and nights near 14°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near El Monte in Summer

The nearest coast averages about 16°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 60 km away) is warmest in February at about 16°C and coldest in August near 12°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr14Bracing
May14Bracing
Jun13Bracing
Jul13Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec15Bracing

UV index in El Monte in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in El Monte peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateVery highExtremeJan 17UV 13Jun 15UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5Moderate
May3Moderate
Jun3Moderate
Jul3Moderate
Aug3Moderate
Sep6High
Oct9Very high
Nov10Extreme
Dec12Extreme

Air quality in El Monte in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in El Monte is worst in July — around 88 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (February, 35 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorJul 1287 µg/m³Feb 1836 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb35Moderate
Mar40Poor
Apr58Unhealthy
May83Unhealthy
Jun85Unhealthy
Jul88Unhealthy
Aug77Unhealthy
Sep64Unhealthy
Oct45Poor
Nov37Poor
Dec38Poor
Location & terrain

Where is El Monte?

El Monte sits at 33.7°S, 71.0°W, 300 m above sea level, in Chile. The nearest listed city is Talagante, 6.0 km away.

Topography around El Monte

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

Within 3 km, the terrain around El Monte has only modest variations in elevation — a maximum elevation change of 177 m around an average of 292 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,156 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,382 m.

The land around El Monte is covered by trees (38%) and cropland (31%) within 3 km, shrubs (35%) and trees (25%) within 16 km, and shrubs (26%) and grassland (25%) within 80 km.

3 km
177 m
16 km
1,156 m
80 km
4,382 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Talagante 6.0 km · Peñaflor 13 km · Padre Hurtado 21 km · Melipilla 21 km · Buin 23 km · Paine 27 km · Maipú 27 km · San Bernardo 28 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
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 1%

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 El Monte (-33.6797°, -70.9848°, elevation 300 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.