San Javier in Fall
In fall (March, April and May), San Javier sees average daytime highs around 25°C and overnight lows near 15°C, with 338 mm of rain over about 24 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 19°C by late May. The sky is clear or mostly clear about 43% of the time across fall, and the air most often feels dry.
Fall is San Javier's 3rd-best season to visit on our travel score. For the whole year in context, see San Javier's year-round climate.
- Avg daytime high
- 25°C
- 3rd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 338 mm
- 24 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.8
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in San Javier in Fall
Over the season highs ease from about 30°C in early March to 19°C by late May.
A typical fall day in San Javier reaches about 25°C and drops to 15°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in San Javier
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.
San Javier 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 | 31° / 21° | 127 | 9.4 | 13.8 | 4.6 |
| Feb | 30° / 20° | 118 | 8.8 | 13.1 | 5.1 |
| Mar | 28° / 18° | 117 | 9.1 | 12.2 | 6.2 |
| Apr | 25° / 15° | 138 | 8.9 | 11.3 | 7.2 |
| May | 21° / 12° | 83 | 6 | 10.5 | 7.1 |
| Jun | 18° / 10° | 61 | 5.6 | 10.1 | 6.6 |
| Jul | 18° / 8° | 43 | 5.2 | 10.2 | 6.8 |
| Aug | 21° / 10° | 63 | 5.3 | 10.9 | 7.4 |
| Sep | 23° / 12° | 76 | 6.7 | 11.8 | 7.6 |
| Oct | 25° / 15° | 137 | 9.5 | 12.8 | 7.1 |
| Nov | 28° / 17° | 119 | 7.6 | 13.5 | 6.6 |
| Dec | 30° / 19° | 137 | 8.7 | 13.9 | 5.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 43% of the time across fall.
Chance of precipitation in Fall
San Javier gets around 338 mm of rain over 24 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 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early March to 10 h 12 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 4.0 kWh/m².
Is fall a good time to visit San Javier?
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 San Javier for sightseeing.
What to pack for San Javier in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, San Javier sees daytime highs around 25°C and nights near 15°C. Pack light clothes. Worth having: rain gear and sun protection. About 24 days see rain.
UV index in San Javier in Fall
Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Javier peaks around January 20 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 — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 11 | 7 | 4 | 3 | 4 | 5 | 7 | 8 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 7 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | High |
| Sep | 7 | Very high |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Air quality in San Javier 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 San Javier is worst in August — around 22 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (May, 6 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) | 9 | 8 | 6 | 6 | 6 | 7 | 13 | 22 | 15 | 9 | 6 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 8 | Good |
| Mar | 6 | Good |
| Apr | 6 | Good |
| May | 6 | Good |
| Jun | 7 | Good |
| Jul | 13 | Moderate |
| Aug | 22 | Moderate |
| Sep | 15 | Moderate |
| Oct | 9 | Good |
| Nov | 6 | Good |
| Dec | 7 | Good |
Where is San Javier?
San Javier sits at 30.6°S, 59.9°W, 30 m above sea level, in Argentina. The nearest listed city is La Paz, 33 km away.
Topography around San Javier
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Javier.
Within 3 km, the terrain around San Javier has only modest variations in elevation — a maximum elevation change of 29 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 36 m; within 80 km, only modest variations in elevation — a maximum elevation change of 78 m.
The land around San Javier is covered by wetland (50%) and grassland (20%) within 3 km, wetland (71%) within 16 km, and grassland (27%), wetland (26%) and cropland (23%) 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 San Javier (-30.5807°, -59.9296°, elevation 30 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.