Serra Negra weather in April

In April, Serra Negra sees average daytime highs of 27°C and overnight lows near 17°C, with 70 mm of rain across 8.7 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 48% 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 Serra Negra's 6th-clearest and 10th-windiest month. For the whole year in context, see Serra Negra's year-round climate.

Daytime high
27°
8th warmest
Overnight low
17°
6th coldest
Rainfall
70 mm
8.7 wet days
Daylight
11 h 30 min
7:23 AM – 6:51 PM
Cloud cover
48%
6th clearest
Wind
7 km/h
10th windiest
Solar energy
4.79 kWh/m²
Travel score
6.7
out of 10

Serra Negra 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 27°C through the month.

A typical April day in Serra Negra reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°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)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142817
152817
162817
172717
182717
192717
202717
212717
222717
232717
242717
252716
262716
272716
282716
292716
302616

Serra Negra 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
Jan29° / 20°25522.413.23.9
Feb29° / 20°17518.412.84.2
Mar29° / 19°13817.412.24.8
Apr27° / 17°708.711.56.7
May25° / 15°646.510.97.6
Jun24° / 13°434.610.68.2
Jul25° / 13°383.910.88.4
Aug26° / 14°31411.28.0
Sep28° / 16°858.411.96.7
Oct28° / 18°12313.512.55.3
Nov28° / 19°16716.613.14.9
Dec29° / 20°21020.413.44.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% 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
36139
46139
56139
66238
76238
86238
96337
106337
116337
126337
136337
146337
156535
166535
176535
186634
196733
206733
216733
226931
236931
246931
257030
267030
277030
287030
297030
307030

Chance of precipitation in April

Any precipitation

Serra Negra gets around 70 mm of rain over 8.7 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 30% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
144
242
341
439
538
636
735
834
933
1032
1131
1230
1329
1428
1528
1627
1727
1827
1926
2026
2126
2225
2325
2424
2524
2623
2723
2822
2921
3021

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11114445
21114443
31124542
42124541
52134639
62134738
72144736
82154834
93164833
103174831
113184830
124204828
134214827
145224825
155234824
165254722
176264721
186284620
197304519
207324417
218334216
229354115
2310374014
2411383813
2512393711
2613413610
271442359
281542348
291643337
301844326

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 7:17 AM to 7:28 AM, and sunset from 7:06 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:177:06
211.87:187:05
311.87:187:04
411.77:187:03
511.77:197:02
611.77:197:01
711.77:197:00
811.67:206:59
911.67:206:58
1011.67:206:57
1111.67:216:56
1211.67:216:55
1311.57:226:54
1411.57:226:53
1511.57:226:52
1611.57:236:51
1711.57:236:50
1811.47:236:50
1911.47:246:49
2011.47:246:48
2111.47:256:47
2211.47:256:46
2311.37:256:45
2411.37:266:45
2511.37:266:44
2611.37:276:43
2711.37:276:42
2811.27:276:41
2911.27:286:41
3011.27:286:40

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.79 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.95 kWh/m² in November across the year — April's 4.79 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
Planning a trip in April

Hazard calendar for Serra Negra

In seasonPeak

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

Serra Negra'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 Serra Negra?

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

6.7
Sightseeing
5th-best month of the year
7.0
Beach & pool
5th-best month of the year

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

What to pack for Serra Negra in April

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

In April, Serra Negra sees daytime highs around 27°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Serra Negra in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Serra Negra 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
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Serra Negra 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 Serra Negra is worst in September — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1227 µg/m³Dec 1515 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar18Moderate
Apr21Moderate
May24Moderate
Jun25Moderate
Jul26Moderate
Aug25Moderate
Sep27Moderate
Oct20Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Serra Negra?

Serra Negra sits at 22.6°S, 46.7°W, 937 m above sea level, in Brazil. The nearest listed city is Amparo, 12 km away.

Topography around Serra Negra

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

Within 3 km, the terrain around Serra Negra has significant variations in elevation — a maximum elevation change of 495 m around an average of 1,012 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 669 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,505 m.

The land around Serra Negra is covered by trees (45%) and grassland (38%) within 3 km, grassland (45%) and trees (43%) within 16 km, and trees (39%) and grassland (35%) within 80 km.

3 km
495 m
16 km
669 m
80 km
1,505 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Amparo 12 km · Águas de Lindóia 17 km · Socorro 18 km · Pinhalzinho 22 km · Santo Antônio de Posse 22 km · Itapira 23 km · Monte Sião 24 km · Jaguariúna 31 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 Serra Negra (-22.6122°, -46.7006°, elevation 937 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).