San Justo in Spring
In spring (September, October and November), San Justo sees average daytime highs around 25°C and overnight lows near 14°C, with 331 mm of rain over about 24 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 22°C in early September to 29°C by late November. The sky is clear or mostly clear about 49% of the time across spring, and the air most often feels dry.
Spring is San Justo's best season of the year to visit on our travel score. For the whole year in context, see San Justo's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 331 mm
- 24 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.1
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in San Justo in Spring
Over the season highs climb from about 22°C in early September to 29°C by late November.
A typical spring day in San Justo reaches about 25°C and drops to 14°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in San Justo
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
San Justo weather by month
How the three spring months (September, October and November) 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° / 20° | 125 | 9.6 | 13.8 | 4.6 |
| Feb | 30° / 20° | 124 | 8.7 | 13.1 | 5.2 |
| Mar | 28° / 18° | 126 | 8.9 | 12.2 | 6.3 |
| Apr | 25° / 15° | 132 | 8.9 | 11.3 | 7.2 |
| May | 21° / 12° | 78 | 6.2 | 10.5 | 7.1 |
| Jun | 18° / 9° | 49 | 5.2 | 10 | 6.7 |
| Jul | 18° / 8° | 37 | 4.3 | 10.2 | 6.9 |
| Aug | 21° / 9° | 56 | 4.7 | 10.9 | 7.5 |
| Sep | 23° / 11° | 70 | 6.3 | 11.8 | 7.6 |
| Oct | 25° / 14° | 137 | 9.2 | 12.8 | 7.1 |
| Nov | 28° / 16° | 125 | 8.1 | 13.6 | 6.6 |
| Dec | 30° / 19° | 134 | 8.9 | 14 | 5.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 49% of the time across spring.
Chance of precipitation in Spring
San Justo gets around 331 mm of rain over 24 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 13 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early September to 13 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².
Is spring a good time to visit San Justo?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is one of the better times to visit San Justo for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Justo in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, San Justo sees daytime highs around 25°C and nights near 14°C. Pack light clothes and sun protection. Worth having: rain gear. About 24 days see rain.
UV index in San Justo in Spring
Clear-sky midday UV across spring 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 San Justo peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 | 10 | 7 | 4 | 3 | 4 | 5 | 7 | 9 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 7 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 7 | High |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Where is San Justo?
San Justo sits at 30.8°S, 60.6°W, 49 m above sea level, in Argentina. The nearest listed city is San Javier, 68 km away.
Topography around San Justo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Justo.
Within 3 km, the terrain around San Justo has only modest variations in elevation — a maximum elevation change of 26 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, only modest variations in elevation — a maximum elevation change of 79 m.
The land around San Justo is covered by cropland (55%) and grassland (23%) within 3 km, cropland (72%) and grassland (20%) within 16 km, and cropland (41%) and grassland (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 San Justo (-30.7899°, -60.5928°, elevation 49 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.