La Rioja in Fall
In fall (March, April and May), La Rioja sees average daytime highs around 24°C and overnight lows near 15°C, with 154 mm of rain over about 23 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 30°C in early March to 18°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 La Rioja's 3rd-best season to visit on our travel score. For the whole year in context, see La Rioja's year-round climate.
- Avg daytime high
- 24°C
- 3rd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 154 mm
- 23 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.9
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in La Rioja in Fall
Over the season highs ease from about 30°C in early March to 18°C by late May.
A typical fall day in La Rioja reaches about 24°C and drops to 15°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in La Rioja
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
La Rioja 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 | 32° / 22° | 102 | 11.2 | 13.7 | 3.9 |
| Feb | 31° / 21° | 76 | 9.6 | 13.1 | 4.8 |
| Mar | 28° / 19° | 78 | 9.8 | 12.2 | 6.1 |
| Apr | 24° / 15° | 47 | 7.9 | 11.3 | 7.4 |
| May | 20° / 11° | 29 | 5.5 | 10.5 | 7.1 |
| Jun | 17° / 7° | 15 | 3.4 | 10.2 | 6.5 |
| Jul | 17° / 6° | 10 | 2.2 | 10.3 | 7.0 |
| Aug | 21° / 8° | 10 | 2.1 | 10.9 | 8.3 |
| Sep | 24° / 12° | 24 | 3.4 | 11.8 | 8.5 |
| Oct | 28° / 16° | 48 | 6 | 12.7 | 7.1 |
| Nov | 30° / 19° | 61 | 7.7 | 13.5 | 5.3 |
| Dec | 32° / 21° | 85 | 9.3 | 13.8 | 4.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 44% of the time across fall.
Chance of precipitation in Fall
La Rioja gets around 154 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 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early March to 10 h 18 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 3.9 kWh/m².
Hazard calendar for La Rioja
In fall, La Rioja overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
La Rioja's rainy season runs October–April, when most of the year's rain falls.
Is fall a good time to visit La Rioja?
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 La Rioja for sightseeing.
What to pack for La Rioja in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, La Rioja sees daytime highs around 24°C and nights near 15°C. Pack light clothes. Worth having: rain gear and sun protection. About 23 days see rain.
UV index in La Rioja in Fall
Clear-sky midday UV across fall averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in La Rioja peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (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) | 14 | 14 | 12 | 7 | 5 | 4 | 4 | 5 | 7 | 11 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 7 | High |
| May | 5 | Moderate |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 7 | Very high |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is La Rioja?
La Rioja sits at 29.4°S, 66.9°W, 493 m above sea level, in Argentina. The nearest listed city is Chilecito, 68 km away.
Topography around La Rioja
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of La Rioja.
Within 3 km, the terrain around La Rioja has only modest variations in elevation — a maximum elevation change of 141 m around an average of 516 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,895 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,858 m.
The land around La Rioja is covered by artificial surfaces (70%) within 3 km, shrubs (58%) and trees (24%) within 16 km, and shrubs (76%) 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 La Rioja (-29.4133°, -66.8564°, elevation 493 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.