Bastos weather in April

In April, Bastos sees average daytime highs of 29°C and overnight lows near 19°C, with 64 mm of rain across 7.9 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 8th-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 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 12 min by month's end. Set against the rest of the year, April is Bastos's 5th-clearest and 9th-windiest month. For the whole year in context, see Bastos's year-round climate.

Daytime high
29°
8th warmest
Overnight low
19°
6th coldest
Rainfall
64 mm
7.9 wet days
Daylight
11 h 30 min
7:38 AM – 7:08 PM
Cloud cover
46%
5th clearest
Wind
9 km/h
9th windiest
Solar energy
4.93 kWh/m²
Travel score
5.7
out of 10

Bastos 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

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

A typical April day in Bastos reaches about 29°C in the afternoon and slips back to 19°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 33°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)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143019
153019
163019
172919
182919
192919
202919
212919
222919
232919
242918
252918
262918
272918
282818
292818
302818

How April really feels in Bastos

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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bastos weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23321.713.23.5
Feb30° / 22°18119.112.83.6
Mar30° / 21°13517.112.24.2
Apr29° / 19°647.911.55.7
May27° / 16°616.3117.3
Jun26° / 15°424.710.77.8
Jul27° / 15°263.610.88.0
Aug29° / 16°313.611.26.9
Sep30° / 18°767.711.95.4
Oct31° / 20°12012.512.54.4
Nov31° / 20°13614.4134.1
Dec31° / 21°18119.413.33.6

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 14% of April, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25941
35941
46040
56139
66238
76238
86337
96337
106337
116337
126337
136337
146337
156436
166436
176436
186436
196436
206535
216634
226634
236634
246634
256733
266733
276634
286634
296634
306634

Chance of precipitation in April

Any precipitation

Bastos gets around 64 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 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
238
337
436
535
634
734
833
932
1031
1130
1230
1329
1428
1527
1626
1725
1824
1924
2023
2122
2221
2321
2420
2520
2619
2718
2818
2917
3016

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 51% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
117184925
217194924
318194923
418204822
528214821
629224820
729234719
8210234718
9310244617
10311254516
11312264415
12412264314
13413274313
14414284212
15415294111
16515294010
1751630409
1851731399
1951831388
2051932377
2162032366
2262133345
2362234335
2472334324
2572435314
2682535293
2792536282
2892636272
29102637252
30112737241

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
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 7:33 AM to 7:44 AM, and sunset from 7:22 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:337:22
211.87:347:21
311.87:347:20
411.77:347:19
511.77:357:18
611.77:357:17
711.77:357:16
811.77:367:15
911.67:367:14
1011.67:367:13
1111.67:377:12
1211.67:377:12
1311.67:377:11
1411.57:387:10
1511.57:387:09
1611.57:387:08
1711.57:397:07
1811.57:397:06
1911.47:397:05
2011.47:407:05
2111.47:407:04
2211.47:407:03
2311.47:417:02
2411.37:417:01
2511.37:427:01
2611.37:427:00
2711.37:426:59
2811.37:436:58
2911.27:436:58
3011.27:446:57

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.93 kWh/m².

For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 6.14 kWh/m² in November across the year — April's 4.93 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
Planning a trip in April

Hazard calendar for Bastos

In seasonPeak

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

Bastos'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 Bastos?

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

5.7
Sightseeing
5th-best month of the year
7.4
Beach & pool
5th-best month of the year

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

What to pack for Bastos in April

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

In April, Bastos sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Bastos 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 Bastos peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Bastos 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 Bastos is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1718 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May9Good
Jun8Good
Jul8Good
Aug12Good
Sep19Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Bastos?

Bastos sits at 21.9°S, 50.7°W, 460 m above sea level, in Brazil. The nearest listed city is Osvaldo Cruz, 20 km away.

Topography around Bastos

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

Within 3 km, the terrain around Bastos has only modest variations in elevation — a maximum elevation change of 126 m around an average of 456 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, significant variations in elevation — a maximum elevation change of 417 m.

The land around Bastos is covered by cropland (33%), grassland (29%) and trees (21%) within 3 km, cropland (55%) and grassland (28%) within 16 km, and cropland (53%) and grassland (33%) within 80 km.

3 km
126 m
16 km
211 m
80 km
417 m
treesgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Osvaldo Cruz 20 km · Tupã 23 km · Lucélia 37 km · Rancharia 38 km · Adamantina 44 km · Martinópolis 51 km · Paraguaçu Paulista 57 km · Pompéia 62 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 Bastos (-21.9219°, -50.7339°, elevation 460 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).