Posadas in Fall
In fall (March, April and May), Posadas sees average daytime highs around 27°C and overnight lows near 18°C, with 423 mm of rain over about 30 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 31°C in early March to 21°C by late May. The sky is clear or mostly clear about 43% of the time across fall, and the air most often feels muggy.
Fall is Posadas's 3rd-best season to visit on our travel score. For the whole year in context, see Posadas's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 423 mm
- 30 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Posadas in Fall
Over the season highs ease from about 31°C in early March to 21°C by late May.
A typical fall day in Posadas reaches about 27°C and drops to 18°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Posadas
Once humidity and wind are folded in, fall brings about 14 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Posadas 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° | 133 | 12.7 | 13.5 | 4.0 |
| Feb | 31° / 22° | 129 | 11.9 | 13 | 4.3 |
| Mar | 30° / 21° | 121 | 10.5 | 12.2 | 5.1 |
| Apr | 27° / 18° | 159 | 9.9 | 11.4 | 6.6 |
| May | 23° / 15° | 143 | 9.1 | 10.7 | 7.0 |
| Jun | 21° / 13° | 121 | 8.9 | 10.3 | 6.7 |
| Jul | 21° / 12° | 117 | 9.1 | 10.4 | 6.8 |
| Aug | 23° / 13° | 90 | 7.9 | 11 | 7.4 |
| Sep | 25° / 15° | 147 | 9.8 | 11.8 | 7.1 |
| Oct | 27° / 17° | 216 | 12.4 | 12.7 | 6.2 |
| Nov | 29° / 19° | 156 | 10.4 | 13.4 | 5.5 |
| Dec | 31° / 21° | 164 | 11.8 | 13.7 | 4.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 43% of the time across fall.
Chance of precipitation in Fall
Posadas gets around 423 mm of rain over 30 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early March to 10 h 24 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 4.1 kWh/m².
Is fall a good time to visit Posadas?
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 Posadas for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Posadas in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Posadas sees daytime highs around 27°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 30 days see rain.
UV index in Posadas in Fall
Clear-sky midday UV across fall averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Posadas peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 | 13 | 11 | 8 | 5 | 4 | 4 | 5 | 8 | 7 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | High | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 5 | High |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | High |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Air quality in Posadas 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 Posadas is worst in September — around 19 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 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 | 12 | 6 | 7 | 7 | 8 | 10 | 16 | 19 | 11 | 15 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 12 | Good |
| Mar | 6 | Good |
| Apr | 7 | Good |
| May | 7 | Good |
| Jun | 8 | Good |
| Jul | 10 | Good |
| Aug | 16 | Moderate |
| Sep | 19 | Moderate |
| Oct | 11 | Good |
| Nov | 15 | Moderate |
| Dec | 6 | Good |
Where is Posadas?
Posadas sits at 27.4°S, 55.9°W, 83 m above sea level, in Argentina. The nearest listed city is Encarnación, 9.0 km away.
Topography around Posadas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Posadas.
Within 3 km, the terrain around Posadas has only modest variations in elevation — a maximum elevation change of 72 m around an average of 116 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, significant variations in elevation — a maximum elevation change of 419 m.
The land around Posadas is covered by artificial surfaces (69%) and trees (22%) within 3 km, grassland (33%), trees (29%) and water (23%) within 16 km, and trees (40%) 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 Posadas (-27.3918°, -55.9238°, elevation 83 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.