Cerro Azul weather in April

In April, Cerro Azul sees average daytime highs of 26°C and overnight lows near 16°C, with 64 mm of rain across 9.2 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Cerro Azul's 4th-clearest and 7th-windiest month. For the whole year in context, see Cerro Azul's year-round climate.

Daytime high
26°
6th warmest
Overnight low
16°
7th coldest
Rainfall
64 mm
9.2 wet days
Daylight
11 h 24 min
7:35 AM – 7:00 PM
Cloud cover
62%
4th clearest
Wind
6 km/h
7th windiest
Solar energy
4.07 kWh/m²
Travel score
6.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 24°C by the end.

A typical April day in Cerro Azul reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, April runs about 2°C cooler than March and about 3°C warmer than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82617
92617
102617
112617
122616
132616
142616
152616
162616
172616
182616
192516
202516
212515
222515
232515
242515
252515
262515
272515
282415
292414
302414

Cerro Azul weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°21822.113.44.2
Feb28° / 19°16819.312.94.4
Mar27° / 18°13317.712.25.3
Apr26° / 16°649.211.46.7
May22° / 13°798.510.86.9
Jun21° / 11°787.810.56.9
Jul21° / 10°717.210.67.0
Aug23° / 11°576.811.17.4
Sep24° / 13°10910.211.86.8
Oct25° / 15°1201412.65.9
Nov26° / 16°11915.213.25.6
Dec28° / 18°15518.213.54.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
64060
74060
84060
94159
104159
114258
124258
134258
144357
154357
164357
174456
184456
194555
204555
214555
224555
234654
244654
254753
264753
274753
284753
294753
304753

Chance of precipitation in April

Any precipitation

Cerro Azul gets around 64 mm of rain over 9.2 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 32% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
239
338
437
536
636
735
835
934
1034
1133
1233
1332
1432
1532
1632
1731
1831
1930
2030
2129
2229
2328
2428
2527
2627
2727
2826
2926
3026

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131340431
231440421
331439421
441539411
541539401
641639401
751638391
851738391
961838381
1061838371
1171937361
1271937351
1382037341
1482138330
1592238310
1692239300
17102339280
18102439260
19102540250
20112640230
21112741210
22122841190
23122941170
24133042150
25133142140
26143242120
27153342110
28163341100
2917344190
3018354080

Wind in April

Winds average 6 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 7:28 AM to 7:41 AM, and sunset from 7:15 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:287:15
211.87:297:14
311.77:297:13
411.77:297:12
511.77:307:11
611.77:307:10
711.67:317:09
811.67:317:08
911.67:327:07
1011.67:327:06
1111.57:327:05
1211.57:337:04
1311.57:337:03
1411.57:347:02
1511.47:347:01
1611.47:357:00
1711.47:356:59
1811.47:366:58
1911.37:366:57
2011.37:366:56
2111.37:376:55
2211.37:376:54
2311.37:386:53
2411.27:386:52
2511.27:396:52
2611.27:396:51
2711.27:406:50
2811.17:406:49
2911.17:416:48
3011.17:416:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.07 kWh/m².

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 5.65 kWh/m² in December across the year — April's 4.07 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Bright
194.0Moderate
204.0Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.7Moderate
Planning a trip in April

Is April a good time to visit Cerro Azul?

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

6.7
Sightseeing
6th-best month of the year
6.2
Beach & pool
1st-best month of the year

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

What to pack for Cerro Azul in April

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

In April, Cerro Azul sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Cerro Azul in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cerro Azul peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7High
Sep7High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Cerro Azul 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 Cerro Azul is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (March, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1216 µg/m³Mar 108 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun10Good
Jul11Good
Aug15Moderate
Sep17Moderate
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Cerro Azul?

Cerro Azul sits at 24.8°S, 49.3°W, 317 m above sea level, in Brazil. The nearest listed city is Rio Branco do Sul, 41 km away.

Topography around Cerro Azul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cerro Azul.

Within 3 km, the terrain around Cerro Azul has significant variations in elevation — a maximum elevation change of 320 m around an average of 398 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,029 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.

The land around Cerro Azul is covered by trees (56%) and grassland (39%) within 3 km, trees (73%) and grassland (26%) within 16 km, and trees (80%) within 80 km.

3 km
320 m
16 km
1,029 m
80 km
1,785 m
treesgrasslandcroplandartificial surfaces
April weather nearby: Rio Branco do Sul 41 km · Itaperuçu 45 km · Colombo 52 km · Apiaí 55 km · Almirante Tamandaré 56 km · Campina Grande do Sul 57 km · Quatro Barras 63 km · Campo Magro 64 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Cerro Azul (-24.8236°, -49.2611°, elevation 317 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).