Río Grande in Fall
In fall (March, April and May), Río Grande sees average daytime highs around 9°C and overnight lows near 5°C, with 117 mm of rain over about 27 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 12°C in early March to 6°C by late May. The sky is clear or mostly clear about 26% of the time across fall, and the air most often feels dry.
Fall is Río Grande's 2nd-best season to visit on our travel score. For the whole year in context, see Río Grande's year-round climate.
- Avg daytime high
- 9°C
- 2nd-warmest season
- Avg overnight low
- 5°C
- Rainfall
- 117 mm
- 27 wet days
- Avg wind
- 26 km/h
- Travel score
- 1.9
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Río Grande in Fall
Over the season highs ease from about 12°C in early March to 6°C by late May.
A typical fall day in Río Grande reaches about 9°C and drops to 5°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Río Grande
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 40 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Río Grande 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 13° / 8° | 49 | 12.3 | 0 | 16.2 | 3.3 |
| Feb | 13° / 8° | 38 | 9.1 | 0 | 14.6 | 3.5 |
| Mar | 12° / 7° | 44 | 9.6 | 0 | 12.5 | 2.9 |
| Apr | 9° / 5° | 39 | 9.2 | 0.1 | 10.3 | 2.0 |
| May | 7° / 3° | 35 | 7.9 | 0.2 | 8.4 | 0.9 |
| Jun | 5° / 1° | 29 | 6.6 | 1 | 7.3 | 0.0 |
| Jul | 4° / 1° | 27 | 6.9 | 1.5 | 7.7 | 0.0 |
| Aug | 5° / 1° | 26 | 6.4 | 1.1 | 9.4 | 0.1 |
| Sep | 6° / 2° | 24 | 6.2 | 0.5 | 11.5 | 0.7 |
| Oct | 8° / 4° | 22 | 6.3 | 0.3 | 13.8 | 1.6 |
| Nov | 10° / 6° | 30 | 8.3 | 0 | 15.7 | 2.4 |
| Dec | 12° / 7° | 42 | 10.3 | 0 | 16.7 | 2.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 26% of the time across fall.
Chance of precipitation in Fall
Río Grande gets around 117 mm of rain over 27 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 26 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 36 min in early March to 7 h 36 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 2.1 kWh/m².
Is fall a good time to visit Río Grande?
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 weaker month for outdoor sightseeing in Río Grande.
What to pack for Río Grande in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Río Grande sees daytime highs around 9°C and nights near 5°C. Pack a warm layer and a windbreaker. Worth having: a heavy coat and rain gear. About 27 days see rain.
Sea temperature near Río Grande in Fall
The nearest coast averages about 9°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 km away) is warmest in February at about 11°C and coldest in August near 4°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 10 | 11 | 10 | 9 | 8 | 6 | 5 | 4 | 4 | 5 | 7 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 11 | Bracing |
| Mar | 10 | Bracing |
| Apr | 9 | Bracing |
| May | 8 | Bracing |
| Jun | 6 | Bracing |
| Jul | 5 | Bracing |
| Aug | 4 | Bracing |
| Sep | 4 | Bracing |
| Oct | 5 | Bracing |
| Nov | 7 | Bracing |
| Dec | 9 | Bracing |
UV index in Río Grande in Fall
Clear-sky midday UV across fall averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Río Grande peaks around January 13 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 7 | 4 | 2 | 1 | 0 | 1 | 1 | 2 | 4 | 6 | 8 |
| Level | Very high | Very high | Moderate | Low | Low | Low | Low | Low | Moderate | Moderate | High | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 7 | Very high |
| Mar | 4 | Moderate |
| Apr | 2 | Low |
| May | 1 | Low |
| Jun | 0 | Low |
| Jul | 1 | Low |
| Aug | 1 | Low |
| Sep | 2 | Moderate |
| Oct | 4 | Moderate |
| Nov | 6 | High |
| Dec | 8 | Very high |
Where is Río Grande?
Río Grande sits at 53.8°S, 67.7°W, 9 m above sea level, in Argentina. The nearest listed city is Ushuaia, 120 km away.
Topography around Río Grande
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Río Grande.
Within 3 km, the terrain around Río Grande has only modest variations in elevation — a maximum elevation change of 20 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, large variations in elevation — a maximum elevation change of 953 m.
The land around Río Grande is covered by water (37%), artificial surfaces (29%) and grassland (26%) within 3 km, grassland (48%) and water (48%) within 16 km, and grassland (51%) and water (30%) 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 Río Grande (-53.7877°, -67.7097°, elevation 9 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.