Rosario de la Frontera in Fall
In fall (March, April and May), Rosario de la Frontera sees average daytime highs around 22°C and overnight lows near 13°C, with 302 mm of rain over about 41 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 25°C in early March to 19°C by late May. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels dry.
Fall is Rosario de la Frontera's 3rd-best season to visit on our travel score. For the whole year in context, see Rosario de la Frontera's year-round climate.
- Avg daytime high
- 22°C
- 3rd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 302 mm
- 41 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.0
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Rosario de la Frontera in Fall
Over the season highs ease from about 25°C in early March to 19°C by late May.
A typical fall day in Rosario de la Frontera reaches about 22°C and drops to 13°C overnight. The warmest of the three months is March, the coolest May.
Rosario de la Frontera weather by month
How the three fall months (March, April and May) 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 Fall
The sky is clear or mostly clear about 25% of the time across fall.
Chance of precipitation in Fall
Rosario de la Frontera gets around 302 mm of rain over 41 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early March to 10 h 30 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.6 kWh/m².
Hazard calendar for Rosario de la Frontera
In fall, Rosario de la Frontera overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Rosario de la Frontera's monsoon runs November–March, when most of the year's rain falls.
Is fall a good time to visit Rosario de la Frontera?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Rosario de la Frontera for sightseeing.
What to pack for Rosario de la Frontera in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Rosario de la Frontera sees daytime highs around 22°C and nights near 13°C. Pack rain gear. Worth having: light clothes. About 41 days see rain.
UV index in Rosario de la Frontera in Fall
Clear-sky midday UV across fall averages around 9 (very high — sun protection essential). 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.