Rio Brilhante weather in April

In April, Rio Brilhante sees average daytime highs of 30°C and overnight lows near 20°C, with 68 mm of rain across 8.6 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 47% 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 Rio Brilhante's 5th-clearest and 8th-windiest month. For the whole year in context, see Rio Brilhante's year-round climate.

Daytime high
30°
8th warmest
Overnight low
20°
6th coldest
Rainfall
68 mm
8.6 wet days
Daylight
11 h 30 min
6:53 AM – 6:23 PM
Cloud cover
47%
5th clearest
Wind
8 km/h
8th windiest
Solar energy
4.85 kWh/m²
Travel score
5.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 29°C by the end.

A typical April day in Rio Brilhante reaches about 30°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 26°C and 34°C. Set against its neighbours, April runs about 1°C cooler than March and about 3°C warmer than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113120
123120
133120
143120
153120
163020
173020
183020
193020
203020
213020
223019
233019
243019
253019
263019
272919
282919
292919
302918

How April really feels in Rio Brilhante

Once humidity and wind are folded in, April averages 10 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
10
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.

Rio Brilhante weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°18219.713.23.2
Feb32° / 22°14217.212.73.3
Mar32° / 22°11414.912.23.7
Apr30° / 20°688.611.55.1
May27° / 17°767.7116.9
Jun26° / 16°515.710.77.5
Jul27° / 15°374.710.87.7
Aug29° / 17°424.711.36.3
Sep31° / 19°827.711.94.9
Oct32° / 21°1201312.53.9
Nov32° / 21°13713.8133.7
Dec32° / 22°15417.613.33.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
26040
36139
46238
56337
66337
76436
86436
96535
106634
116634
126634
136634
146634
156634
166535
176535
186535
196436
206436
216436
226436
236436
246436
256436
266436
276436
286436
296436
306337

Chance of precipitation in April

Any precipitation

Rio Brilhante gets around 68 mm of rain over 8.6 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 29% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
337
436
535
635
735
834
934
1033
1132
1232
1331
1430
1529
1629
1728
1827
1926
2026
2125
2224
2323
2423
2522
2622
2722
2821
2921
3021

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
134173540
245183539
345193438
445193437
546203436
656203535
756203534
857203533
967203531
1068213630
1168213628
1269213627
13710223725
14710223824
15711223822
16711223920
17712234019
18712234018
19713244116
20713244115
21714254113
22714264012
23715274011
24815283910
2581629389
2691631368
2791732358
28101733337
29101834326
30111935306

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
17calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:48 AM to 6:59 AM, and sunset from 6:37 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:486:37
211.86:496:36
311.86:496:35
411.76:496:34
511.76:506:33
611.76:506:32
711.76:506:32
811.76:516:31
911.66:516:30
1011.66:516:29
1111.66:526:28
1211.66:526:27
1311.66:526:26
1411.56:536:25
1511.56:536:24
1611.56:536:23
1711.56:546:22
1811.56:546:22
1911.46:556:21
2011.46:556:20
2111.46:556:19
2211.46:566:18
2311.46:566:18
2411.36:566:17
2511.36:576:16
2611.36:576:15
2711.36:586:14
2811.36:586:14
2911.26:586:13
3011.26:596:12

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.85 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 6.18 kWh/m² in December across the year — April's 4.85 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in April

Hazard calendar for Rio Brilhante

In seasonPeak

None of Rio Brilhante's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Rio Brilhante's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Rio Brilhante?

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

5.1
Sightseeing
5th-best month of the year
7.1
Beach & pool
6th-best month of the year

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

What to pack for Rio Brilhante in April

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

In April, Rio Brilhante sees daytime highs around 30°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 Rio Brilhante 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 Rio Brilhante peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highModerateExtremeJan 19UV 15Sep 14UV 3
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep3Moderate
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Rio Brilhante 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 Rio Brilhante is worst in September — around 25 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (April, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1623 µg/m³Apr 105 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr5Good
May6Good
Jun6Good
Jul6Good
Aug14Moderate
Sep25Moderate
Oct14Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Rio Brilhante?

Rio Brilhante sits at 21.8°S, 54.5°W, 319 m above sea level, in Brazil. The nearest listed city is Itaporã, 40 km away.

Topography around Rio Brilhante

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

Within 3 km, the terrain around Rio Brilhante has only modest variations in elevation — a maximum elevation change of 39 m around an average of 312 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 126 m; within 80 km, significant variations in elevation — a maximum elevation change of 312 m.

The land around Rio Brilhante is covered by cropland (38%), trees (25%) and artificial surfaces (20%) within 3 km, cropland (60%) and trees (21%) within 16 km, and cropland (64%) within 80 km.

3 km
39 m
16 km
126 m
80 km
312 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Itaporã 40 km · Nova Alvorada do Sul 41 km · Dourados 54 km · Fátima do Sul 64 km · Maracaju 68 km · Caarapó 97 km · Sidrolândia 106 km · Nova Andradina 133 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 Rio Brilhante (-21.8019°, -54.5464°, elevation 319 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).