Cassilândia weather in April

In April, Cassilândia sees average daytime highs of 30°C and overnight lows near 20°C, with 78 mm of rain across 11.1 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 42% 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 18 min by month's end. Set against the rest of the year, April is Cassilândia's 6th-clearest and 10th-windiest month. For the whole year in context, see Cassilândia's year-round climate.

Daytime high
30°
9th warmest
Overnight low
20°
6th coldest
Rainfall
78 mm
11.1 wet days
Daylight
11 h 36 min
6:40 AM – 6:14 PM
Cloud cover
51%
6th clearest
Wind
7 km/h
10th windiest
Solar energy
5.11 kWh/m²
Travel score
5.1
out of 10

Cassilândia is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical April day in Cassilândia 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 27°C and 32°C. Set against its neighbours, April runs on par with March and about 2°C warmer than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213019
223019
233019
242919
252919
262919
272919
282919
292919
302919

How April really feels in Cassilândia

Once humidity and wind are folded in, April averages 5 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
5
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.

Cassilândia weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°26424.6133.2
Feb30° / 21°21521.712.63.2
Mar30° / 21°20022.112.13.6
Apr30° / 20°7811.111.65.1
May28° / 17°385.311.17.1
Jun28° / 16°122.110.97.9
Jul28° / 16°101.5117.7
Aug30° / 17°172.411.46.2
Sep32° / 20°607.711.94.5
Oct32° / 21°12516.412.43.6
Nov31° / 21°18820.112.93.4
Dec30° / 21°23724.513.13.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25347
35347
45545
55644
65644
75743
85743
95743
105743
115743
125743
135842
145842
155842
165941
176040
186040
196139
206238
216337
226436
236535
246733
256832
266931
277030
287030
297129
307129

Chance of precipitation in April

Any precipitation

Cassilândia gets around 78 mm of rain over 11.1 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 38% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
160
258
357
455
554
652
751
850
948
1047
1145
1244
1342
1441
1539
1637
1736
1834
1932
2030
2129
2227
2325
2424
2523
2621
2720
2819
2919
3018

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10175438
20175537
30185536
41185535
51295434
61295632
712105631
813115530
913125628
1013135627
1114145625
1224155524
1325165522
1425185421
1526205319
1626215318
1717235316
1817245315
1918265213
2018275212
2129294911
22210304810
2321131479
2421333458
2531434437
2631535426
2731636405
2841736384
2951837364
3052037343

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over April. Sunrise moves from 6:36 AM to 6:44 AM, and sunset from 6:27 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:366:27
211.86:376:26
311.86:376:25
411.86:376:24
511.86:376:23
611.76:386:22
711.76:386:22
811.76:386:21
911.76:386:20
1011.76:396:19
1111.76:396:18
1211.66:396:17
1311.66:396:17
1411.66:406:16
1511.66:406:15
1611.66:406:14
1711.56:406:13
1811.56:416:13
1911.56:416:12
2011.56:416:11
2111.56:426:10
2211.56:426:10
2311.46:426:09
2411.46:426:08
2511.46:436:07
2611.46:436:07
2711.46:436:06
2811.46:446:05
2911.36:446:05
3011.36:446:04

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.11 kWh/m².

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 6.1 kWh/m² in October across the year — April's 5.11 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
Planning a trip in April

Hazard calendar for Cassilândia

In seasonPeak

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

Cassilândia's monsoon runs October–March, when most of the year's rain falls.

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

Is April a good time to visit Cassilândia?

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
6.8
Beach & pool
6th-best month of the year

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

What to pack for Cassilândia in April

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

In April, Cassilândia sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Cassilândia in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cassilândia peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 24UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep9Very high
Oct10Extreme
Nov13Extreme
Dec14Extreme

Air quality in Cassilândia 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 Cassilândia is worst in September — around 18 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (July, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1817 µg/m³Jul 114 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar6Good
Apr5Good
May6Good
Jun4Good
Jul4Good
Aug7Good
Sep18Moderate
Oct11Good
Nov5Good
Dec6Good
Location & terrain

Where is Cassilândia?

Cassilândia sits at 19.1°S, 51.7°W, 475 m above sea level, in Brazil. The nearest listed city is Paranaíba, 85 km away.

Topography around Cassilândia

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

Within 3 km, the terrain around Cassilândia has only modest variations in elevation — a maximum elevation change of 172 m around an average of 484 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 370 m; within 80 km, significant variations in elevation — a maximum elevation change of 492 m.

The land around Cassilândia is covered by grassland (42%) and trees (25%) within 3 km, grassland (48%) and trees (31%) within 16 km, and grassland (44%), cropland (31%) and trees (22%) within 80 km.

3 km
172 m
16 km
370 m
80 km
492 m
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Paranaíba 85 km · Chapadão do Sul 100 km · São Simão 126 km · Aparecida do Taboado 127 km · Jataí 137 km · Santa Fé do Sul 149 km · Ilha Solteira 152 km · Quirinópolis 154 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 Cassilândia (-19.1133°, -51.7342°, elevation 475 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).