Posadas in Winter
In winter (June, July and August), Posadas sees average daytime highs around 22°C and overnight lows near 13°C, with 328 mm of rain over about 26 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 21°C in early June to 24°C by late August. The sky is clear or mostly clear about 44% of the time across winter, and the air most often feels dry.
Winter is Posadas's best season of the year to visit on our travel score. For the whole year in context, see Posadas's year-round climate.
- Avg daytime high
- 22°C
- coldest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 328 mm
- 26 wet days
- Avg wind
- 12 km/h
- Travel score
- 7.0
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Posadas in Winter
Over the season highs climb from about 21°C in early June to 24°C by late August.
A typical winter day in Posadas reaches about 22°C and drops to 13°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Posadas
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Posadas weather by month
How the three winter months (June, July and August) 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 Winter
The sky is clear or mostly clear about 44% of the time across winter.
Chance of precipitation in Winter
Posadas gets around 328 mm of rain over 26 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 12 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 24 min in early June to 11 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.1 kWh/m².
Is winter a good time to visit Posadas?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Posadas for sightseeing.
What to pack for Posadas in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Posadas sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 26 days see rain.
UV index in Posadas in Winter
Clear-sky midday UV across winter averages around 5 — enough to warrant sun protection. 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 Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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.