Rosario de la Frontera in Winter
In winter (June, July and August), Rosario de la Frontera sees average daytime highs around 20°C and overnight lows near 6°C, with 46 mm of rain over about 13 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 18°C in early June to 23°C by late August. The sky is clear or mostly clear about 59% of the time across winter, and the air most often feels dry.
Winter is Rosario de la Frontera's best season of the year to visit on our travel score. For the whole year in context, see Rosario de la Frontera's year-round climate.
- Avg daytime high
- 20°C
- coldest season of the year
- Avg overnight low
- 6°C
- Rainfall
- 46 mm
- 13 wet days
- Avg wind
- 7 km/h
- Travel score
- 7.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Rosario de la Frontera in Winter
Over the season highs climb from about 18°C in early June to 23°C by late August.
A typical winter day in Rosario de la Frontera reaches about 20°C and drops to 6°C overnight. The warmest of the three months is August, the coolest July.
Rosario de la Frontera weather by month
How the three winter months (June, July and August) 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 | 27° / 18° | 244 | 20.2 | 13.4 | 4.9 |
| Feb | 26° / 17° | 199 | 18.1 | 12.9 | 5.1 |
| Mar | 24° / 16° | 169 | 18.3 | 12.2 | 5.5 |
| Apr | 22° / 13° | 91 | 13.4 | 11.4 | 6.1 |
| May | 20° / 10° | 42 | 9 | 10.8 | 6.4 |
| Jun | 18° / 7° | 18 | 5.3 | 10.4 | 6.9 |
| Jul | 19° / 5° | 13 | 4 | 10.6 | 7.4 |
| Aug | 22° / 7° | 15 | 3.5 | 11.1 | 8.1 |
| Sep | 24° / 10° | 25 | 5.1 | 11.8 | 8.0 |
| Oct | 26° / 14° | 78 | 11.7 | 12.6 | 6.6 |
| Nov | 26° / 15° | 122 | 14.8 | 13.3 | 5.8 |
| Dec | 27° / 17° | 196 | 18.5 | 13.6 | 5.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 59% of the time across winter.
Chance of precipitation in Winter
Rosario de la Frontera gets around 46 mm of rain over 13 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 7 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 30 min in early June to 11 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.8 kWh/m².
Hazard calendar for Rosario de la Frontera
None of Rosario de la Frontera's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Rosario de la Frontera's monsoon runs November–March, when most of the year's rain falls.
Is winter a good time to visit Rosario de la Frontera?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Rosario de la Frontera for general sightseeing.
What to pack for Rosario de la Frontera in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Rosario de la Frontera sees daytime highs around 20°C and nights near 6°C. Worth packing: a warm layer and sun protection. About 13 days see rain.
UV index in Rosario de la Frontera in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rosario de la Frontera peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (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) | 15 | 15 | 13 | 8 | 6 | 5 | 5 | 7 | 9 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 7 | High |
| Sep | 9 | Very high |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Rosario de la Frontera?
Rosario de la Frontera sits at 25.8°S, 65.0°W, 768 m above sea level, in Argentina. The nearest listed city is San José de Metán, 34 km away.
Topography around Rosario de la Frontera
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rosario de la Frontera.
Within 3 km, the terrain around Rosario de la Frontera has only modest variations in elevation — a maximum elevation change of 88 m around an average of 791 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 975 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,471 m.
The land around Rosario de la Frontera is covered by cropland (50%) within 3 km, trees (53%) and cropland (38%) within 16 km, and trees (52%) 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 Rosario de la Frontera (-25.7986°, -64.9739°, elevation 768 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.