Bariloche in Summer
In summer (December, January and February), Bariloche sees average daytime highs around 19°C and overnight lows near 6°C, with 110 mm of precipitation over about 17 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 16°C in early December to 19°C by late February. The sky is clear or mostly clear about 48% of the time across summer, and the air most often feels dry.
Summer is Bariloche's best season of the year to visit on our travel score. For the whole year in context, see Bariloche's year-round climate.
- Avg daytime high
- 19°C
- warmest season of the year
- Avg overnight low
- 6°C
- Precipitation
- 110 mm
- 17 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.8
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Bariloche in Summer
Over the season highs climb from about 16°C in early December to 19°C by late February.
A typical summer day in Bariloche reaches about 19°C and drops to 6°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Bariloche
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.
Bariloche 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 | 19° / 7° | 31 | 5.2 | 0.4 | 14.6 | 7.2 |
| Feb | 19° / 7° | 33 | 5 | 0.2 | 13.6 | 7.2 |
| Mar | 16° / 5° | 41 | 7 | 0.5 | 12.3 | 5.7 |
| Apr | 11° / 2° | 74 | 8.7 | 2.6 | 10.9 | 2.9 |
| May | 7° / 0° | 119 | 13 | 6.2 | 9.7 | 0.8 |
| Jun | 4° / -2° | 172 | 16 | 13.3 | 9.1 | 0.0 |
| Jul | 3° / -3° | 140 | 14.5 | 13.7 | 9.3 | 0.0 |
| Aug | 4° / -3° | 131 | 14.5 | 12.8 | 10.4 | 0.0 |
| Sep | 7° / -1° | 68 | 10.3 | 7.8 | 11.7 | 0.7 |
| Oct | 10° / 0° | 70 | 10.2 | 5.9 | 13.1 | 2.2 |
| Nov | 13° / 2° | 52 | 8.3 | 2.6 | 14.3 | 4.0 |
| Dec | 17° / 5° | 47 | 6.8 | 1.1 | 14.9 | 6.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 48% of the time across summer.
Chance of precipitation in Summer
Bariloche gets around 110 mm of rain and snow over 17 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 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 42 min in early December to 13 h 06 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 7.5 kWh/m².
Hazard calendar for Bariloche
None of Bariloche's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Bariloche's rainy season runs May–August, when most of the year's rain falls.
Is summer a good time to visit Bariloche?
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 a reasonable time to visit Bariloche for sightseeing.
What to pack for Bariloche in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Bariloche sees daytime highs around 19°C and nights near 6°C. Pack sun protection. Worth having: a warm layer. About 17 days see rain.
UV index in Bariloche in Summer
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 Bariloche peaks around December 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 12 | 8 | 5 | 3 | 2 | 2 | 3 | 5 | 8 | 10 | 13 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Low | Moderate | Moderate | High | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 8 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 2 | Low |
| Jul | 2 | Moderate |
| Aug | 3 | Moderate |
| Sep | 5 | High |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 13 | Extreme |
Where is Bariloche?
Bariloche sits at 41.1°S, 71.3°W, 839 m above sea level, in Argentina. The nearest listed city is El Bolsón, 93 km away.
Topography around Bariloche
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bariloche.
Within 3 km, the terrain around Bariloche has significant variations in elevation — a maximum elevation change of 427 m around an average of 865 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,452 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,290 m.
The land around Bariloche is covered by artificial surfaces (40%) and trees (23%) within 3 km, grassland (36%), trees (30%) and water (22%) within 16 km, and grassland (44%) and trees (37%) within 80 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
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 Bariloche (-41.1456°, -71.3082°, elevation 839 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.