Retiro in Fall
In fall (March, April and May), Retiro sees average daytime highs around 21°C and overnight lows near 15°C, with 270 mm of rain over about 23 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 26°C in early March to 16°C by late May. The sky is clear or mostly clear about 44% of the time across fall, and the air most often feels dry.
Fall is Retiro's 2nd-best season to visit on our travel score. For the whole year in context, see Retiro's year-round climate.
- Avg daytime high
- 21°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 270 mm
- 23 wet days
- Avg wind
- 15 km/h
- Travel score
- 6.9
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Retiro in Fall
Over the season highs ease from about 26°C in early March to 16°C by late May.
A typical fall day in Retiro reaches about 21°C and drops to 15°C overnight. The warmest of the three months is March, the coolest May.
Retiro 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° / 20° | 83 | 6.9 | 14.1 | 7.2 |
| Feb | 26° / 20° | 99 | 8.1 | 13.3 | 7.1 |
| Mar | 25° / 18° | 96 | 7.6 | 12.3 | 7.5 |
| Apr | 21° / 15° | 102 | 8.1 | 11.2 | 7.0 |
| May | 17° / 12° | 72 | 6.8 | 10.2 | 6.1 |
| Jun | 15° / 9° | 74 | 7.7 | 9.7 | 4.6 |
| Jul | 14° / 8° | 74 | 7.1 | 9.9 | 4.2 |
| Aug | 15° / 9° | 71 | 6.6 | 10.7 | 5.2 |
| Sep | 17° / 11° | 80 | 7.1 | 11.8 | 6.0 |
| Oct | 20° / 14° | 119 | 9.8 | 12.9 | 6.5 |
| Nov | 23° / 16° | 95 | 8.2 | 13.8 | 7.3 |
| Dec | 26° / 19° | 87 | 8.1 | 14.3 | 7.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 44% of the time across fall.
Chance of precipitation in Fall
Retiro gets around 270 mm of rain over 23 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 15 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early March to 9 h 54 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 3.8 kWh/m².
Is fall a good time to visit Retiro?
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 Retiro for sightseeing.
What to pack for Retiro in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Retiro sees daytime highs around 21°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 23 days see rain.
Sea temperature near Retiro in Fall
The nearest coast averages about 20°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in January at about 25°C and coldest in July near 13°C.
It's comfortable for a long swim from Nov 9 to Apr 20 — about 5.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 25 | 23 | 21 | 17 | 14 | 13 | 13 | 15 | 18 | 21 | 23 |
| Comfort | Warm | Warm | Refreshing | Refreshing | Cool | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 23 | Refreshing |
| Apr | 21 | Refreshing |
| May | 17 | Cool |
| Jun | 14 | Bracing |
| Jul | 13 | Bracing |
| Aug | 13 | Bracing |
| Sep | 15 | Cool |
| Oct | 18 | Cool |
| Nov | 21 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Retiro in Fall
Clear-sky midday UV across fall 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 Retiro peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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) | 13 | 11 | 10 | 6 | 4 | 3 | 3 | 4 | 6 | 8 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 10 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Retiro in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Retiro is worst in June — around 25 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 14 | 16 | 17 | 22 | 25 | 25 | 24 | 19 | 16 | 13 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 22 | Moderate |
| Jun | 25 | Moderate |
| Jul | 25 | Moderate |
| Aug | 24 | Moderate |
| Sep | 19 | Moderate |
| Oct | 16 | Moderate |
| Nov | 13 | Moderate |
| Dec | 12 | Moderate |
Where is Retiro?
Retiro sits at 34.6°S, 58.4°W, 7 m above sea level, in Argentina. The nearest listed city is Balvanera, 3.0 km away.
Topography around Retiro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Retiro.
Within 3 km, the terrain around Retiro has only modest variations in elevation — a maximum elevation change of 53 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 57 m; within 80 km, only modest variations in elevation — a maximum elevation change of 138 m.
The land around Retiro is covered by artificial surfaces (53%) and water (35%) within 3 km, water (51%) and artificial surfaces (42%) within 16 km, and grassland (28%), water (24%) and cropland (21%) 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 Retiro (-34.5833°, -58.3833°, elevation 7 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.