Villa Mercedes in Summer
In summer (December, January and February), Villa Mercedes sees average daytime highs around 30°C and overnight lows near 18°C, with 261 mm of rain over about 33 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 30°C. The sky is clear or mostly clear about 53% of the time across summer, and the air most often feels dry.
Summer is Villa Mercedes's weakest season of the year to visit on our travel score. For the whole year in context, see Villa Mercedes's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 261 mm
- 33 wet days
- Avg wind
- 12 km/h
- Travel score
- 5.4
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Villa Mercedes in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Villa Mercedes reaches about 30°C and drops to 18°C overnight. The warmest of the three months is January, the coolest December.
Villa Mercedes 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 18° | 86 | 11.6 | 14 | 5.0 |
| Feb | 29° / 17° | 79 | 9.4 | 13.3 | 5.7 |
| Mar | 27° / 15° | 87 | 9.4 | 12.3 | 6.9 |
| Apr | 23° / 12° | 67 | 7.2 | 11.2 | 7.5 |
| May | 19° / 8° | 29 | 4.6 | 10.3 | 7.0 |
| Jun | 17° / 5° | 11 | 2.5 | 9.8 | 6.4 |
| Jul | 16° / 4° | 11 | 2.5 | 10 | 6.3 |
| Aug | 19° / 6° | 21 | 3 | 10.7 | 7.5 |
| Sep | 21° / 9° | 36 | 5.6 | 11.8 | 7.5 |
| Oct | 24° / 12° | 83 | 9.6 | 12.8 | 7.2 |
| Nov | 27° / 15° | 86 | 11.3 | 13.7 | 6.6 |
| Dec | 29° / 17° | 97 | 11.8 | 14.2 | 5.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 53% of the time across summer.
Chance of precipitation in Summer
Villa Mercedes gets around 261 mm of rain over 33 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 12 km/h across summer.
Sunrise & sunset in Summer
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.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.1 kWh/m².
Hazard calendar for Villa Mercedes
In summer, Villa Mercedes overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Villa Mercedes's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Villa Mercedes?
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 Villa Mercedes for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Villa Mercedes in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Villa Mercedes sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 33 days see rain.
UV index in Villa Mercedes in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Villa Mercedes peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 10 | 6 | 4 | 3 | 3 | 4 | 6 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is Villa Mercedes?
Villa Mercedes sits at 33.7°S, 65.5°W, 516 m above sea level, in Argentina. The nearest listed city is San Luis, 91 km away.
Topography around Villa Mercedes
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Villa Mercedes.
Within 3 km, the terrain around Villa Mercedes has only modest variations in elevation — a maximum elevation change of 30 m around an average of 514 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,418 m.
The land around Villa Mercedes is covered by artificial surfaces (58%) and grassland (27%) within 3 km, cropland (52%) and grassland (24%) within 16 km, and cropland (59%) and grassland (31%) 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 Villa Mercedes (-33.6757°, -65.4578°, elevation 516 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.