Castilho weather in April

In April, Castilho sees average daytime highs of 30°C and overnight lows near 21°C, with 61 mm of rain across 7.9 wet days and about 11.5 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 49% 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 Castilho's 5th-clearest and 8th-windiest month. For the whole year in context, see Castilho's year-round climate.

Daytime high
30°
9th warmest
Overnight low
21°
6th coldest
Rainfall
61 mm
7.9 wet days
Daylight
11 h 30 min
7:41 AM – 7:12 PM
Cloud cover
45%
5th clearest
Wind
8 km/h
8th windiest
Solar energy
5.05 kWh/m²
Travel score
5.2
out of 10

Castilho 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 Castilho reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, April runs on par with March and about 3°C warmer than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153121
163121
173021
183021
193021
203021
213021
223021
233021
243021
253020
263020
273020
283020
293020
302920

How April really feels in Castilho

Once humidity and wind are folded in, April averages 18 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
18
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.

Castilho 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
Jan31° / 23°23021.913.13.2
Feb31° / 23°18819.212.73.2
Mar31° / 23°15717.812.13.7
Apr30° / 21°617.911.55.2
May28° / 18°475.7117.0
Jun28° / 17°263.510.87.7
Jul28° / 17°152.210.97.5
Aug31° / 18°212.911.35.8
Sep32° / 20°596.811.94.5
Oct32° / 22°10612.412.53.7
Nov32° / 23°14115.5133.5
Dec31° / 23°18920.613.23.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
36040
46139
56139
66139
76139
86238
96238
106238
116337
126337
136337
146337
156337
166436
176436
186535
196634
206634
216733
226832
236931
246931
257030
267030
277129
287129
297129
307129

Chance of precipitation in April

Any precipitation

Castilho gets around 61 mm of rain over 7.9 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 27% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
241
340
438
537
635
734
833
932
1031
1130
1229
1328
1427
1526
1626
1725
1824
1923
2022
2122
2221
2320
2419
2519
2618
2717
2816
2916
3015

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101727641
201828621
302829601
402830591
502930581
602931571
7121032541
8121033531
9131134510
10131235490
11131336470
12131437450
13141537421
14141639401
15141740381
16141840361
17151941341
18152042311
19152142291
20252243271
21262442251
22262543241
23262643221
24272843200
25372943180
26373042170
27483142150
28483241140
29593340120
30693439110

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 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
18calm
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 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 7:36 AM to 7:45 AM, and sunset from 7:25 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:367:25
211.87:367:24
311.87:377:23
411.87:377:22
511.77:377:22
611.77:377:21
711.77:387:20
811.77:387:19
911.77:387:18
1011.67:397:17
1111.67:397:16
1211.67:397:15
1311.67:407:14
1411.67:407:14
1511.57:407:13
1611.57:417:12
1711.57:417:11
1811.57:417:10
1911.57:427:09
2011.47:427:09
2111.47:427:08
2211.47:437:07
2311.47:437:06
2411.47:437:05
2511.47:447:05
2611.37:447:04
2711.37:447:03
2811.37:457:03
2911.37:457:02
3011.37:457:01

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.05 kWh/m².

For context, solar energy here swings from a low near 3.84 kWh/m² to a high of 6.22 kWh/m² in November across the year — April's 5.05 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
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in April

Hazard calendar for Castilho

In seasonPeak

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

Castilho'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 Castilho?

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

5.2
Sightseeing
5th-best month of the year
7.2
Beach & pool
5th-best month of the year

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

What to pack for Castilho in April

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

In April, Castilho sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Castilho 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 Castilho peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jun 23UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug8Very high
Sep7Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme

Air quality in Castilho 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 Castilho is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1719 µg/m³Jul 106 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr6Good
May7Good
Jun6Good
Jul6Good
Aug10Good
Sep20Moderate
Oct12Moderate
Nov6Good
Dec6Good
Location & terrain

Where is Castilho?

Castilho sits at 20.9°S, 51.5°W, 382 m above sea level, in Brazil. The nearest listed city is Andradina, 12 km away.

Topography around Castilho

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

Within 3 km, the terrain around Castilho has only modest variations in elevation — a maximum elevation change of 115 m around an average of 368 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 181 m; within 80 km, significant variations in elevation — a maximum elevation change of 260 m.

The land around Castilho is covered by cropland (52%) and grassland (31%) within 3 km, cropland (50%) and grassland (32%) within 16 km, and cropland (37%), grassland (31%) and trees (24%) within 80 km.

3 km
115 m
16 km
181 m
80 km
260 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Andradina 12 km · Três Lagoas 24 km · Pereira Barreto 47 km · Mirandópolis 49 km · Ilha Solteira 51 km · Tupi Paulista 57 km · Dracena 68 km · Junqueirópolis 72 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 Castilho (-20.8722°, -51.4875°, elevation 382 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).