Juan José Castelli in Spring
In spring (September, October and November), Juan José Castelli sees average daytime highs around 29°C and overnight lows near 18°C, with 318 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 climb from about 27°C in early September to 31°C by late November. The sky is clear or mostly clear about 46% of the time across spring, and the air most often feels dry.
Spring is Juan José Castelli's 3rd-best season to visit on our travel score. For the whole year in context, see Juan José Castelli's year-round climate.
- Avg daytime high
- 29°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 318 mm
- 27 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.6
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Juan José Castelli in Spring
Over the season highs climb from about 27°C in early September to 31°C by late November.
A typical spring day in Juan José Castelli reaches about 29°C and drops to 18°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Juan José Castelli
Once humidity and wind are folded in, spring brings about 7 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Juan José Castelli 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 | 33° / 23° | 124 | 11.2 | 13.4 | 3.3 |
| Feb | 32° / 22° | 137 | 11.1 | 12.9 | 3.8 |
| Mar | 30° / 21° | 137 | 11.1 | 12.2 | 4.8 |
| Apr | 27° / 18° | 117 | 9.3 | 11.4 | 6.5 |
| May | 24° / 14° | 62 | 7.8 | 10.7 | 7.2 |
| Jun | 22° / 13° | 43 | 6.8 | 10.4 | 7.1 |
| Jul | 22° / 11° | 31 | 5.8 | 10.5 | 7.6 |
| Aug | 25° / 13° | 40 | 4.5 | 11.1 | 8.1 |
| Sep | 28° / 15° | 58 | 6.7 | 11.8 | 7.0 |
| Oct | 30° / 18° | 120 | 10 | 12.6 | 5.2 |
| Nov | 31° / 20° | 140 | 10.1 | 13.3 | 4.6 |
| Dec | 33° / 22° | 135 | 11.1 | 13.6 | 3.6 |
Cloud cover in Spring
The sky is clear or mostly clear about 46% of the time across spring.
Chance of precipitation in Spring
Juan José Castelli gets around 318 mm of rain over 27 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 30 min in early September to 13 h 30 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 5.6 kWh/m².
Is spring a good time to visit Juan José Castelli?
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 a reasonable time to visit Juan José Castelli for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Juan José Castelli in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Juan José Castelli sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 27 days see rain.
UV index in Juan José Castelli 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 Juan José Castelli peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (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) | 15 | 14 | 12 | 9 | 6 | 5 | 5 | 6 | 8 | 7 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | High | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Juan José Castelli in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Juan José Castelli is worst in August — around 31 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (April, 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 | 10 | 8 | 6 | 6 | 7 | 15 | 31 | 29 | 18 | 10 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 8 | Good |
| Apr | 6 | Good |
| May | 6 | Good |
| Jun | 7 | Good |
| Jul | 15 | Moderate |
| Aug | 31 | Moderate |
| Sep | 29 | Moderate |
| Oct | 18 | Moderate |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Juan José Castelli?
Juan José Castelli sits at 25.9°S, 60.6°W, 113 m above sea level, in Argentina. The nearest listed city is Tres Isletas, 48 km away.
Topography around Juan José Castelli
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Juan José Castelli.
Within 3 km, the terrain around Juan José Castelli has only modest variations in elevation — a maximum elevation change of 9 m around an average of 110 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 20 m; within 80 km, only modest variations in elevation — a maximum elevation change of 64 m.
The land around Juan José Castelli is covered by cropland (30%), artificial surfaces (29%) and grassland (22%) within 3 km, trees (56%) and cropland (30%) within 16 km, and trees (75%) 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 Juan José Castelli (-25.9466°, -60.6201°, elevation 113 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.