Yby Yaú weather in April

In April, Yby Yaú sees average daytime highs of 29°C and overnight lows near 20°C, with 105 mm of rain across 9 wet days and about 11.5 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 46% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 12 min by month's end. Set against the rest of the year, April is Yby Yaú's 4th-clearest and 8th-windiest month. For the whole year in context, see Yby Yaú's year-round climate.

Daytime high
29°
7th warmest
Overnight low
20°
6th coldest
Rainfall
105 mm
9 wet days
Daylight
11 h 30 min
7:02 AM – 6:30 PM
Cloud cover
48%
4th clearest
Wind
9 km/h
8th windiest
Solar energy
4.6 kWh/m²
Travel score
5.5
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical April day in Yby Yaú reaches about 29°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, April runs about 2°C cooler than March and about 4°C warmer than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13121
23021
33021
43021
53021
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
172920
182919
192919
202919
212919
222919
232919
242919
252919
262819
272819
282818
292818
302818

How April really feels in Yby Yaú

Once humidity and wind are folded in, April averages 3 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
3
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Yby Yaú weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36139
46139
56139
66139
76139
86139
96139
106139
116238
126238
136238
146238
156139
166139
176139
186238
196139
206139
216040
226040
236040
246040
256040
265941
276040
286040
295941
305941

Chance of precipitation in April

Any precipitation

Yby Yaú gets around 105 mm of rain over 9 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
134
234
333
433
532
632
732
832
932
1032
1132
1232
1332
1432
1532
1631
1731
1831
1931
2030
2130
2229
2328
2428
2527
2627
2726
2826
2926
3026

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
135153839
235163838
345163838
446163737
546163736
656163736
757163735
867163734
968163733
1079163732
1179163731
12710163830
13810153828
14811153927
15812154026
16812154024
17813154123
18813164222
19813164320
20813164319
21813174417
22814184416
23814194414
24914204413
25914214412
261014224311
271014244210
28111425419
29111526409
30121526398

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over April. Sunrise moves from 6:57 AM to 7:08 AM, and sunset from 6:45 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:576:45
211.86:576:44
311.86:586:43
411.76:586:42
511.76:586:41
611.76:596:40
711.76:596:39
811.66:596:38
911.67:006:37
1011.67:006:36
1111.67:006:35
1211.67:016:34
1311.57:016:33
1411.57:026:32
1511.57:026:31
1611.57:026:30
1711.47:036:30
1811.47:036:29
1911.47:046:28
2011.47:046:27
2111.47:046:26
2211.37:056:25
2311.37:056:24
2411.37:066:24
2511.37:066:23
2611.37:066:22
2711.27:076:21
2811.27:076:20
2911.27:086:20
3011.27:086:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.6 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 — April's 4.6 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.3Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
Planning a trip in April

Is April a good time to visit Yby Yaú?

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

5.5
Sightseeing
6th-best month of the year
7.1
Beach & pool
3rd-best month of the year

April is a reasonable time to visit Yby Yaú for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Yby Yaú in April

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

In April, Yby Yaú sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Yby Yaú in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). 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 April

GoodModeratePoorUnhealthyVery unhealthy

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