Tunuyán in Summer

In summer (December, January and February), Tunuyán sees average daytime highs around 27°C and overnight lows near 14°C, with 211 mm of rain over about 30 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 63% of the time across summer, and the air most often feels dry.

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

Avg daytime high
27°C
warmest season of the year
Avg overnight low
14°C
Rainfall
211 mm
30 wet days
Avg wind
7 km/h
Travel score
6.8
best season of the year
Months
Dec · Jan · Feb

Temperature in Tunuyán in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 27°C.

A typical summer day in Tunuyán reaches about 27°C and drops to 14°C overnight. The warmest of the three months is January, the coolest December.

10°20°30°DecJanFeb

How summer really feels in Tunuyán

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.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tunuyán 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 daysSnow daysDaylight (hours)Travel score
Jan28° / 15°6810.20146.6
Feb26° / 14°6810013.26.8
Mar24° / 12°8511.7012.36.9
Apr19° / 80110.111.26.3
May15° / 6710.50.510.34.5
Jun12° / 547.91.49.83.3
Jul11° / -0°497.62.3103.1
Aug14° / 567.81.910.84.4
Sep17° / 629.10.911.85.8
Oct21° / 8310.40.112.86.9
Nov24° / 10°7910.8013.77.2
Dec27° / 13°759.9014.26.9

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Tunuyán gets around 211 mm of rain over 30 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%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 7 km/h across summer.

051015DecJanFeb

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 7.7 kWh/m².

02468DecJanFeb
Planning a trip in summer

Is summer a good time to visit Tunuyán?

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.

6.8
Sightseeing
1st-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Tunuyán in Summer

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

In summer, Tunuyán sees daytime highs around 27°C and nights near 14°C. Pack light clothes and sun protection. Worth having: rain gear. About 30 days see rain.

light clothessun protectionrain gear

UV index in Tunuyán in Summer

LowModerateHighVery highExtreme

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 Tunuyán peaks around January 17 at about 15 (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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighExtremeJan 17UV 15Jun 20UV 3
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr6High
May5High
Jun3Moderate
Jul4Moderate
Aug6High
Sep6High
Oct10Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Tunuyán?

Tunuyán sits at 33.6°S, 69.0°W, 864 m above sea level, in Argentina. The nearest listed city is Tupungato, 27 km away.

Topography around Tunuyán

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

Within 3 km, the terrain around Tunuyán has only modest variations in elevation — a maximum elevation change of 92 m around an average of 885 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,950 m.

The land around Tunuyán is covered by grassland (29%), shrubs (23%) and cropland (20%) within 3 km, shrubs (44%) and cropland (28%) within 16 km, and shrubs (44%), grassland (25%) and bare terrain (21%) within 80 km.

3 km
92 m
16 km
203 m
80 km
5,950 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
Summer weather nearby: Tupungato 27 km · Perdriel 58 km · Rivadavia 67 km · Rodeo del Medio 72 km · San Martín 75 km · Mendoza 79 km · San Rafael 131 km · Peñalolén 141 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 Tunuyán (-33.5812°, -69.0154°, elevation 864 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.