São Bernardo weather in April

In April, São Bernardo sees average daytime highs of 31°C and overnight lows near 23°C, with 294 mm of rain across 25.7 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 6% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 11 h 54 min by month's end. Set against the rest of the year, April is São Bernardo's 11th-clearest and 12th-windiest month. For the whole year in context, see São Bernardo's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
4th coldest
Rainfall
294 mm
25.7 wet days
Daylight
11 h 54 min
5:52 AM – 5:48 PM
Cloud cover
81%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
4.64 kWh/m²
Travel score
2.8
out of 10

São Bernardo 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 31°C through the month.

A typical April day in São Bernardo reaches about 31°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How April really feels in São Bernardo

Once humidity and wind are folded in, April averages 30 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
30
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.

São Bernardo weather by month

How April compares with the rest of the year at a glance. April is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°16619.512.22.8
Feb31° / 24°21722.312.12.8
Mar31° / 24°28127.2122.7
Apr31° / 23°29425.711.92.8
May31° / 24°18018.511.83.5
Jun32° / 23°44911.84.3
Jul33° / 23°233.811.84.4
Aug34° / 23°40.811.93.6
Sep36° / 24°20.5122.8
Oct36° / 24°81.312.12.5
Nov36° / 24°132.712.22.5
Dec35° / 24°497.312.22.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 10% of April, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51189
61288
71288
81387
91387
101486
111585
121585
131684
141684
151684
161882
171882
181882
191882
201882
211882
221882
231882
241882
251981
261981
272080
282080
292179
302278

Chance of precipitation in April

Any precipitation

São Bernardo gets around 294 mm of rain over 25.7 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 85% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
392
492
591
690
789
889
988
1087
1186
1286
1385
1484
1584
1684
1783
1883
1983
2083
2182
2282
2382
2482
2581
2681
2780
2879
2979
3078

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the oppressive band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
17624
27525
37426
47426
57426
67426
77426
87426
97426
107426
117426
127426
137327
147327
157327
167327
177228
187228
197228
207129
217129
227030
237030
247030
257030
267030
277030
287030
297030
307030

Wind in April

Winds average 7 km/h in April, the calmest month.

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.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
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 12 hours at the start of April to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over April. Sunrise moves from 5:55 AM to 5:50 AM, and sunset from 5:53 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:555:53
212.05:555:53
312.05:555:53
412.05:545:52
512.05:545:52
612.05:545:51
712.05:545:51
812.05:545:51
911.95:535:50
1011.95:535:50
1111.95:535:50
1211.95:535:49
1311.95:535:49
1411.95:525:48
1511.95:525:48
1611.95:525:48
1711.95:525:47
1811.95:525:47
1911.95:525:47
2011.95:515:46
2111.95:515:46
2211.95:515:46
2311.95:515:45
2411.95:515:45
2511.95:515:45
2611.95:515:45
2711.95:515:44
2811.95:515:44
2911.95:505:44
3011.95:505:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.64 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.67 kWh/m² in October across the year — April's 4.64 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in April

Hazard calendar for São Bernardo

In seasonPeak

In April, São Bernardo sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

São Bernardo's monsoon runs January–May, 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 São Bernardo?

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

2.8
Sightseeing
5th-best month of the year
4.1
Beach & pool
11th-best month of the year

April is a weaker month for outdoor sightseeing in São Bernardo.

What to pack for São Bernardo in April

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

In April, São Bernardo sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in São Bernardo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Bernardo peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 16UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in São Bernardo 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 São Bernardo is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (May, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodModerateJul 1719 µg/m³May 219 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar14Moderate
Apr11Good
May8Good
Jun9Good
Jul20Moderate
Aug12Good
Sep9Good
Oct11Good
Nov14Moderate
Dec14Moderate
Location & terrain

Where is São Bernardo?

São Bernardo sits at 3.4°S, 42.4°W, 29 m above sea level, in Brazil. The nearest listed city is Luzilândia, 12 km away.

Topography around São Bernardo

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

Within 3 km, the terrain around São Bernardo has only modest variations in elevation — a maximum elevation change of 69 m around an average of 43 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, only modest variations in elevation — a maximum elevation change of 246 m.

The land around São Bernardo is covered by trees (63%) and grassland (28%) within 3 km, trees (60%) and grassland (24%) within 16 km, and trees (59%) within 80 km.

3 km
69 m
16 km
110 m
80 km
246 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
April weather nearby: Luzilândia 12 km · Santa Quitéria do Maranhão 22 km · Brejo 51 km · Esperantina 63 km · Buriti dos Lopes 65 km · Tutóia 69 km · Paulino Neves 73 km · Araioses 78 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 São Bernardo (-3.3614°, -42.4178°, elevation 29 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).