Yby Yaú in Winter
In winter (June, July and August), Yby Yaú sees average daytime highs around 26°C and overnight lows near 16°C, with 261 mm of rain over about 21 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 25°C in early June to 29°C by late August. The sky is clear or mostly clear about 53% of the time across winter, and the air most often feels dry.
Winter is Yby Yaú's best season of the year to visit on our travel score. For the whole year in context, see Yby Yaú's year-round climate.
- Avg daytime high
- 26°C
- coldest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 261 mm
- 21 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Yby Yaú in Winter
Over the season highs climb from about 25°C in early June to 29°C by late August.
A typical winter day in Yby Yaú reaches about 26°C and drops to 16°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Yby Yaú
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.
Yby Yaú 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° / 23° | 161 | 17.1 | 13.3 | 3.3 |
| Feb | 32° / 22° | 148 | 15.3 | 12.8 | 3.5 |
| Mar | 31° / 22° | 119 | 12.8 | 12.2 | 4.2 |
| Apr | 29° / 20° | 105 | 9 | 11.5 | 5.5 |
| May | 26° / 17° | 136 | 9.1 | 10.9 | 7.0 |
| Jun | 25° / 16° | 103 | 8.4 | 10.6 | 7.3 |
| Jul | 25° / 15° | 79 | 6.8 | 10.7 | 7.6 |
| Aug | 28° / 16° | 80 | 6.2 | 11.2 | 7.1 |
| Sep | 29° / 18° | 111 | 8.9 | 11.9 | 5.6 |
| Oct | 31° / 20° | 172 | 12.8 | 12.5 | 4.4 |
| Nov | 31° / 21° | 167 | 13 | 13.1 | 4.1 |
| Dec | 32° / 22° | 180 | 16.4 | 13.4 | 3.5 |
Cloud cover in Winter
The sky is clear or mostly clear about 53% of the time across winter.
Chance of precipitation in Winter
Yby Yaú gets around 261 mm of rain over 21 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 11 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 42 min in early June to 11 h 30 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 3.6 kWh/m².
Is winter a good time to visit Yby Yaú?
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 one of the better times to visit Yby Yaú for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Yby Yaú in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Yby Yaú sees daytime highs around 26°C and nights near 16°C. Pack light clothes. Worth having: rain gear. About 21 days see rain.
UV index in Yby Yaú in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Yby Yaú peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).
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) | 16 | 15 | 13 | 10 | 7 | 6 | 6 | 7 | 6 | 10 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 10 | Very high |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Yby Yaú 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 Yby Yaú is worst in September — around 39 µg/m³ PM2.5 (poor), about 6.3× 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 | 9 | 7 | 6 | 7 | 9 | 10 | 39 | 39 | 21 | 13 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Good | Poor | Poor | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 7 | Good |
| Apr | 6 | Good |
| May | 7 | Good |
| Jun | 9 | Good |
| Jul | 10 | Good |
| Aug | 39 | Poor |
| Sep | 39 | Poor |
| Oct | 21 | Moderate |
| Nov | 13 | Moderate |
| Dec | 9 | Good |
Where is Yby Yaú?
Yby Yaú sits at 23.0°S, 56.5°W, 184 m above sea level, in Paraguay. The nearest listed city is Pedro Juan Caballero, 94 km away.
Topography around Yby Yaú
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yby Yaú.
Within 3 km, the terrain around Yby Yaú has only modest variations in elevation — a maximum elevation change of 101 m around an average of 197 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 264 m; within 80 km, large variations in elevation — a maximum elevation change of 667 m.
The land around Yby Yaú is covered by grassland (53%) and trees (41%) within 3 km, grassland (67%) and trees (30%) within 16 km, and grassland (56%) and trees (36%) within 80 km.
Paraguay travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / N
- 220 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $7,027
- 2025
- Happiness
- 6.2 / 10
- World Happiness, 2025
- Safe drinking water
- 64%
- of population, 2024
- Homicide rate
- 6.8
- per 100k, 2023
- Road deaths
- 22
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 531
- 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 Yby Yaú (-22.9661°, -56.5407°, elevation 184 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.