Yby Yaú weather in August

In August, Yby Yaú sees average daytime highs of 28°C and overnight lows near 16°C, with 80 mm of rain across 6.2 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 59% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Yby Yaú's 1st-clearest and 1st-windiest month. For the whole year in context, see Yby Yaú's year-round climate.

Daytime high
28°
9th warmest
Overnight low
16°
3rd coldest
Rainfall
80 mm
6.2 wet days
Daylight
11 h 12 min
7:14 AM – 6:26 PM
Cloud cover
38%
1st clearest
Wind
11 km/h
1st windiest
Solar energy
4.34 kWh/m²
Travel score
7.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical August day in Yby Yaú reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 34°C. Set against its neighbours, August runs about 3°C warmer than July and about 2°C cooler than September.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32715
42715
52716
62716
72716
82716
92716
102716
112716
122716
132816
142816
152816
162816
172816
182816
192817
202817
212817
222817
232817
242817
252917
262917
272917
282917
292917
302917
312917

How August really feels in Yby Yaú

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August 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 August compares with the rest of the year at a glance. August is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°16117.113.33.3
Feb32° / 22°14815.312.83.5
Mar31° / 22°11912.812.24.2
Apr29° / 20°105911.55.5
May26° / 17°1369.110.97.0
Jun25° / 16°1038.410.67.3
Jul25° / 15°796.810.77.6
Aug28° / 16°806.211.27.1
Sep29° / 18°1118.911.95.6
Oct31° / 20°17212.812.54.4
Nov31° / 21°1671313.14.1
Dec32° / 22°18016.413.43.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56634
66634
76733
86733
96733
106733
116733
126733
136733
146733
156733
166832
176931
186931
197030
207030
217030
227129
237129
247129
257129
267228
277228
287228
297228
307228
317228

Chance of precipitation in August

Any precipitation

Yby Yaú gets around 80 mm of rain over 6.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
218
318
418
519
619
719
819
920
1020
1120
1221
1321
1421
1521
1621
1721
1821
1921
2021
2121
2221
2321
2420
2520
2620
2720
2820
2920
3020
3121

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14334193
24334194
34433194
44433194
54433194
64532185
74532185
84532185
94531186
104531186
114531186
124530187
134530187
144530187
154530187
164530187
174531187
184431186
194431186
204331196
214331196
224332196
234332196
244232196
254232196
264232196
274232206
284232207
294132207
304132207
314031218

Wind in August

Winds average 11 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 54 min at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over August. Sunrise moves from 7:24 AM to 7:01 AM, and sunset from 6:20 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:246:20
210.97:246:21
311.07:236:21
411.07:236:21
511.07:226:22
611.07:216:22
711.07:216:23
811.07:206:23
911.17:196:23
1011.17:196:24
1111.17:186:24
1211.17:176:25
1311.17:176:25
1411.27:166:25
1511.27:156:26
1611.27:146:26
1711.27:136:27
1811.27:136:27
1911.37:126:27
2011.37:116:28
2111.37:106:28
2211.37:096:28
2311.37:086:29
2411.47:076:29
2511.47:076:30
2611.47:066:30
2711.47:056:30
2811.47:046:31
2911.57:036:31
3011.57:026:31
3111.57:016:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.34 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 6.41 kWh/m² in December across the year — August's 4.34 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Bright
64.0Bright
74.1Bright
84.1Bright
94.1Bright
104.2Bright
114.2Bright
124.2Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Yby Yaú?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.1
Sightseeing
3rd-best month of the year
7.7
Beach & pool
1st-best month of the year

August 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 August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Yby Yaú sees daytime highs around 28°C and nights near 16°C. Pack light clothes. About 6 days see rain.

light clothes

UV index in Yby Yaú in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug7Very high
Sep6High
Oct10Very high
Nov13Extreme
Dec13Extreme

Air quality in Yby Yaú in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 939 µg/m³Apr 126 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar7Good
Apr6Good
May7Good
Jun9Good
Jul10Good
Aug39Poor
Sep39Poor
Oct21Moderate
Nov13Moderate
Dec9Good
Location & terrain

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.

Pedro Juan CaballeroBela VistaPonta PorãConcepciónAmambaiJardimCaarapóDourados

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.

3 km
101 m
16 km
264 m
80 km
667 m
treesgrasslandcroplandartificial surfaces
August weather nearby: Pedro Juan Caballero 94 km · Bela Vista 95 km · Ponta Porã 96 km · Concepción 103 km · Amambai 135 km · Jardim 170 km · Caarapó 180 km · Dourados 196 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
Roman Catholic 80%Protestant 7%Believer 6%other 1%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).