Santo Anastácio weather in April

In April, Santo Anastácio sees average daytime highs of 30°C and overnight lows near 20°C, with 63 mm of rain across 8.2 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 30°C in the first days to 29°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 Santo Anastácio's 5th-clearest and 8th-windiest month. For the whole year in context, see Santo Anastácio's year-round climate.

Daytime high
30°
8th warmest
Overnight low
20°
6th coldest
Rainfall
63 mm
8.2 wet days
Daylight
11 h 30 min
7:42 AM – 7:12 PM
Cloud cover
46%
5th clearest
Wind
9 km/h
8th windiest
Solar energy
4.93 kWh/m²
Travel score
5.6
out of 10

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 29°C by the end.

A typical April day in Santo Anastácio 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 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)
13021
23021
33021
43021
53021
63021
73021
83021
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
202920
212919
222919
232919
242919
252919
262919
272919
282919
292919
302818

How April really feels in Santo Anastácio

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.

Santo Anastácio 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
Jan31° / 22°22021.713.23.3
Feb31° / 22°17318.512.83.5
Mar31° / 22°13116.212.24.1
Apr30° / 20°638.211.55.6
May27° / 17°676.9117.2
Jun26° / 16°465.210.77.7
Jul26° / 16°283.610.88.0
Aug29° / 17°333.811.26.8
Sep30° / 19°858.111.95.2
Oct31° / 20°13113.312.54.2
Nov31° / 21°1361413.14.0
Dec31° / 22°17618.813.33.5

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 15% 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 (%)
16238
26238
36238
46238
56436
66436
76436
86436
96436
106436
116436
126436
136337
146436
156436
166436
176436
186535
196535
206634
216634
226634
236634
246733
256733
266733
276733
286733
296733
306733

Chance of precipitation in April

Any precipitation

Santo Anastácio gets around 63 mm of rain over 8.2 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 28% 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
733
832
932
1031
1130
1230
1329
1428
1528
1627
1726
1826
1925
2025
2124
2223
2323
2422
2521
2621
2720
2820
2919
3019

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 56% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
126144335
227154334
327164333
427174332
527184330
628194329
728204328
828214226
928224225
1038234224
1139244222
1239264121
13310274119
14310284118
15411294017
16411304015
17412314014
18412313913
19513323912
20513333810
2151434379
2261535368
2361635358
2471736347
2571736336
2681837325
2781838315
2891938304
29101939283
30112039273

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 7:37 AM to 7:47 AM, and sunset from 7:26 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:377:26
211.87:377:25
311.87:387:24
411.77:387:23
511.77:387:22
611.77:397:21
711.77:397:20
811.77:397:19
911.67:407:18
1011.67:407:17
1111.67:407:16
1211.67:417:15
1311.67:417:14
1411.57:417:13
1511.57:427:13
1611.57:427:12
1711.57:427:11
1811.57:437:10
1911.47:437:09
2011.47:437:08
2111.47:447:07
2211.47:447:07
2311.47:457:06
2411.37:457:05
2511.37:457:04
2611.37:467:03
2711.37:467:03
2811.37:477:02
2911.27:477:01
3011.27:477:01

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 3.62 kWh/m² to a high of 6.23 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
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in April

Hazard calendar for Santo Anastácio

In seasonPeak

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

Santo Anastácio'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 Santo Anastácio?

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

5.6
Sightseeing
5th-best month of the year
7.3
Beach & pool
5th-best month of the year

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

What to pack for Santo Anastácio in April

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

In April, Santo Anastácio sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Santo Anastácio 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 Santo Anastácio peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 19UV 15Jul 13UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug7Very high
Sep7Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Santo Anastácio 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 Santo Anastácio is worst in September — around 19 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1618 µg/m³Mar 166 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun7Good
Jul7Good
Aug12Good
Sep19Moderate
Oct12Moderate
Nov6Good
Dec6Good
Location & terrain

Where is Santo Anastácio?

Santo Anastácio sits at 22.0°S, 51.7°W, 458 m above sea level, in Brazil. The nearest listed city is Álvares Machado, 22 km away.

Topography around Santo Anastácio

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

Within 3 km, the terrain around Santo Anastácio has only modest variations in elevation — a maximum elevation change of 112 m around an average of 422 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, significant variations in elevation — a maximum elevation change of 316 m.

The land around Santo Anastácio is covered by grassland (59%) within 3 km, grassland (61%) and cropland (29%) within 16 km, and grassland (48%) and cropland (35%) within 80 km.

3 km
112 m
16 km
189 m
80 km
316 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Álvares Machado 22 km · Presidente Venceslau 23 km · Presidente Prudente 32 km · Pirapozinho 37 km · Mirante do Paranapanema 44 km · Regente Feijó 45 km · Martinópolis 53 km · Presidente Epitácio 53 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 Santo Anastácio (-21.9758°, -51.6514°, elevation 458 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).