Chilecito in Summer
In summer (December, January and February), Chilecito sees average daytime highs around 24°C and overnight lows near 16°C, with 961 mm of rain over about 67 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 24°C. The sky is clear or mostly clear about 27% of the time across summer, and the air most often feels comfortable.
Summer is Chilecito's 3rd-best season to visit on our travel score. For the whole year in context, see Chilecito's year-round climate.
- Avg daytime high
- 24°C
- warmest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 961 mm
- 67 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.0
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Chilecito in Summer
Across summer, daytime highs hold fairly steady around 24°C.
A typical summer day in Chilecito reaches about 24°C and drops to 16°C overnight. The warmest of the three months is January, the coolest February.
Chilecito 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 | 24° / 16° | 348 | 24.4 | 0 | 13.7 | 4.8 |
| Feb | 23° / 15° | 314 | 20.4 | 0 | 13 | 5.0 |
| Mar | 22° / 14° | 367 | 23.2 | 0 | 12.2 | 4.8 |
| Apr | 20° / 11° | 322 | 19.9 | 0.2 | 11.3 | 5.0 |
| May | 17° / 8° | 288 | 18 | 1 | 10.6 | 4.7 |
| Jun | 16° / 5° | 171 | 12.5 | 1.6 | 10.2 | 4.9 |
| Jul | 15° / 3° | 133 | 10.6 | 3.1 | 10.3 | 4.8 |
| Aug | 17° / 5° | 140 | 10.7 | 2.9 | 11 | 5.7 |
| Sep | 18° / 8° | 224 | 14.1 | 1.9 | 11.8 | 5.8 |
| Oct | 21° / 11° | 310 | 19.6 | 0.3 | 12.7 | 5.3 |
| Nov | 22° / 14° | 334 | 21.6 | 0 | 13.5 | 5.0 |
| Dec | 24° / 15° | 299 | 22.5 | 0 | 13.8 | 5.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 27% of the time across summer.
Chance of precipitation in Summer
Chilecito gets around 961 mm of rain over 67 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 42 min in early December to 12 h 42 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 5.8 kWh/m².
Is summer a good time to visit Chilecito?
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 Chilecito for sightseeing.
What to pack for Chilecito in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Chilecito sees daytime highs around 24°C and nights near 16°C. Pack rain gear and sun protection. Worth having: light clothes. About 67 days see rain.
UV index in Chilecito 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 Chilecito peaks around January 21 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (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 | 16 | 13 | 8 | 5 | 4 | 4 | 6 | 9 | 13 | 14 | 15 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 16 | Extreme |
| Mar | 13 | Extreme |
| Apr | 8 | Very high |
| May | 5 | High |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 9 | Very high |
| Oct | 13 | Extreme |
| Nov | 14 | Extreme |
| Dec | 15 | Extreme |
Where is Chilecito?
Chilecito sits at 29.2°S, 67.5°W, 1,107 m above sea level, in Argentina. The nearest listed city is La Rioja, 68 km away.
Topography around Chilecito
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chilecito.
Within 3 km, the terrain around Chilecito has significant variations in elevation — a maximum elevation change of 359 m around an average of 1,136 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,757 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,694 m.
The land around Chilecito is covered by shrubs (60%) and artificial surfaces (24%) within 3 km, shrubs (69%) within 16 km, and shrubs (49%), grassland (25%) and bare terrain (23%) 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 Chilecito (-29.1616°, -67.4993°, elevation 1,107 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.