Santos Dumont weather in April

In April, Santos Dumont sees average daytime highs of 26°C and overnight lows near 17°C, with 89 mm of rain across 12.8 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 22% of the time in April, and the air most often feels humid.

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 Santos Dumont's 6th-clearest and 11th-windiest month. For the whole year in context, see Santos Dumont's year-round climate.

Daytime high
26°
5th warmest
Overnight low
17°
7th coldest
Rainfall
89 mm
12.8 wet days
Daylight
11 h 30 min
7:09 AM – 6:40 PM
Cloud cover
63%
6th clearest
Wind
7 km/h
11th windiest
Solar energy
4.29 kWh/m²
Travel score
6.2
out of 10

Santos Dumont 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 26°C through the month.

A typical April day in Santos Dumont reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, April runs about 1°C cooler than March and about 2°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12718
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122617
132617
142617
152617
162617
172617
182617
192617
202617
212617
222517
232517
242516
252516
262516
272516
282516
292516
302516

Santos Dumont weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°29620.913.24.6
Feb28° / 19°19616.212.74.9
Mar27° / 19°2042012.24.9
Apr26° / 17°8912.811.56.2
May24° / 15°508117.2
Jun23° / 13°214.610.77.8
Jul23° / 13°224.910.87.8
Aug24° / 13°295.711.37.8
Sep25° / 15°7510.611.96.8
Oct25° / 17°13916.612.55.6
Nov26° / 17°26621.3134.7
Dec27° / 19°31823.913.34.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 22% of April, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33763
43862
53961
63961
74060
84159
94159
104258
114258
124258
134357
144357
154357
164456
174456
184555
194654
204654
214753
224753
234852
244951
254852
265050
275050
285149
295149
305149

Chance of precipitation in April

Any precipitation

Santos Dumont gets around 89 mm of rain over 12.8 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 42% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
156
256
355
454
553
652
751
850
948
1047
1146
1245
1344
1443
1542
1641
1740
1839
1938
2038
2137
2236
2336
2435
2534
2633
2732
2832
2931
3030

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1064054
2074152
3074152
4074251
5084349
6084447
7094546
8094644
90104743
100114841
110114840
120124938
130134937
140145036
150155134
160165133
171175032
181185031
191195129
201215028
211225126
222235025
232255023
243265021
253284920
264294918
275304817
285324815
296334813
307344712

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
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 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 7:04 AM to 7:14 AM, and sunset from 6:53 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:046:53
211.87:056:52
311.87:056:51
411.87:056:50
511.77:066:50
611.77:066:49
711.77:066:48
811.77:076:47
911.67:076:46
1011.67:076:45
1111.67:086:44
1211.67:086:43
1311.67:086:42
1411.57:096:41
1511.57:096:41
1611.57:096:40
1711.57:106:39
1811.57:106:38
1911.47:106:37
2011.47:116:36
2111.47:116:35
2211.47:116:35
2311.47:126:34
2411.47:126:33
2511.37:126:32
2611.37:136:32
2711.37:136:31
2811.37:146:30
2911.37:146:29
3011.27:146:29

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.29 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 5.84 kWh/m² in February across the year — April's 4.29 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in April

Hazard calendar for Santos Dumont

In seasonPeak

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

Santos Dumont's monsoon runs November–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 Santos Dumont?

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

6.2
Sightseeing
6th-best month of the year
5.8
Beach & pool
5th-best month of the year

April is a reasonable time to visit Santos Dumont for sightseeing.

What to pack for Santos Dumont in April

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

In April, Santos Dumont sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

UV index in Santos Dumont 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 Santos Dumont peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highExtremeFeb 10UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr10Extreme
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santos Dumont 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 Santos Dumont is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1521 µg/m³Jan 1111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep22Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Santos Dumont?

Santos Dumont sits at 21.5°S, 43.6°W, 844 m above sea level, in Brazil. The nearest listed city is Barbacena, 34 km away.

Topography around Santos Dumont

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

Within 3 km, the terrain around Santos Dumont has only modest variations in elevation — a maximum elevation change of 182 m around an average of 890 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 756 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,595 m.

The land around Santos Dumont is covered by grassland (59%) and trees (27%) within 3 km, grassland (57%) and trees (41%) within 16 km, and grassland (58%) and trees (37%) within 80 km.

3 km
182 m
16 km
756 m
80 km
1,595 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Barbacena 34 km · Juiz de Fora 40 km · Rio Pomba 44 km · Lima Duarte 50 km · Barroso 53 km · São João Nepomuceno 57 km · Carandaí 62 km · Tocantins 64 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 Santos Dumont (-21.4567°, -43.5525°, elevation 844 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).