Junín in Summer

In summer (December, January and February), Junín sees average daytime highs around 28°C and overnight lows near 17°C, with 321 mm of rain over about 26 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 28°C. The sky is clear or mostly clear about 52% of the time across summer, and the air most often feels humid.

Summer is Junín's 3rd-best season to visit on our travel score. For the whole year in context, see Junín's year-round climate.

Avg daytime high
28°C
warmest season of the year
Avg overnight low
17°C
Rainfall
321 mm
26 wet days
Avg wind
12 km/h
Travel score
6.4
3rd-best season
Months
Dec · Jan · Feb

Temperature in Junín 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 Junín reaches about 28°C and drops to 17°C overnight. The warmest of the three months is January, the coolest December.

10°15°20°25°30°35°DecJanFeb

Junín 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° / 18°1148.714.16.0
Feb28° / 17°1038.113.36.8
Mar26° / 15°1008.412.37.2
Apr23° / 12°908.311.27.2
May19° / 626.310.26.5
Jun16° / 384.79.75.4
Jul15° / 324.39.95.1
Aug17° / 454.210.76.5
Sep20° / 676.311.86.9
Oct22° / 11°1191012.96.9
Nov26° / 14°1038.713.87.1
Dec28° / 16°1049.114.36.4

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Junín gets around 321 mm of rain over 26 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels humid — 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 12 km/h across summer.

05101520DecJanFeb

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 7.0 kWh/m².

02468DecJanFeb
Planning a trip in summer

Is summer a good time to visit Junín?

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.

6.4
Sightseeing
3rd-best month of the year
7.3
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Junín for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Junín in Summer

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

In summer, Junín sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 26 days see rain.

light clothessun protectionrain gear

UV index in Junín 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 Junín peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Junín?

Junín sits at 34.6°S, 60.9°W, 73 m above sea level, in Argentina. The nearest listed city is Chacabuco, 44 km away.

Topography around Junín

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

Within 3 km, the terrain around Junín has only modest variations in elevation — a maximum elevation change of 25 m around an average of 78 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 94 m.

The land around Junín is covered by artificial surfaces (52%) and grassland (24%) within 3 km, cropland (77%) within 16 km, and cropland (82%) within 80 km.

3 km
25 m
16 km
42 m
80 km
94 m
treesgrasslandcroplandartificial surfaceswater
Summer weather nearby: Chacabuco 44 km · Los Toldos 46 km · Rojas 48 km · Lincoln 61 km · Bragado 71 km · Salto 72 km · Colón 79 km · Pergamino 85 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus 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 Junín (-34.5939°, -60.9464°, elevation 73 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.