São José dos Campos weather in April

In April, São José dos Campos sees average daytime highs of 26°C and overnight lows near 17°C, with 57 mm of rain across 9.5 wet days and about 11.5 hours of daylight. It is the 6th-warmest and 8th-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 34% 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 São José dos Campos's 5th-clearest and 9th-windiest month. For the whole year in context, see São José dos Campos's year-round climate.

Daytime high
26°
6th warmest
Overnight low
17°
7th coldest
Rainfall
57 mm
9.5 wet days
Daylight
11 h 30 min
7:20 AM – 6:48 PM
Cloud cover
56%
5th clearest
Wind
7 km/h
9th windiest
Solar energy
4.35 kWh/m²
Travel score
6.7
out of 10

São José dos Campos is human settlement in Brazil.

Air quality
Good
PM10 30 µg/m³ · 2014

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 São José dos Campos 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 23°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°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132717
142617
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252616
262616
272616
282516
292516
302516

São José dos Campos weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°22622.113.34.4
Feb28° / 20°17118.512.84.3
Mar28° / 19°13918.112.25.2
Apr26° / 17°579.511.56.7
May24° / 15°577.610.97.3
Jun23° / 13°385.110.67.8
Jul23° / 12°445.110.77.8
Aug24° / 13°355.211.27.9
Sep25° / 15°769.911.96.8
Oct26° / 17°10913.612.55.9
Nov27° / 18°14216.613.15.4
Dec28° / 19°17220.113.44.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24753
34753
44852
55050
65050
75149
85149
95248
105248
115347
125446
135446
145545
155545
165545
175644
185743
195743
205743
215743
225743
235842
245842
255941
265941
275941
286040
295941
305941

Chance of precipitation in April

Any precipitation

São José dos Campos gets around 57 mm of rain over 9.5 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 32% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
145
244
342
441
540
639
738
837
936
1035
1135
1234
1333
1432
1531
1630
1730
1829
1928
2028
2128
2227
2327
2426
2526
2625
2725
2825
2925
3024

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10632611
20633601
30733591
40834571
50834571
60935551
701035541
801036531
901137511
1001238481
1111339471
1211440451
1311640431
1411741410
1511842400
1611943380
1712044360
1812144340
1912245320
2012346300
2112447280
2222647260
2322747240
2432947220
2533047200
2643147180
2743347160
2853447150
2963546130
3073646110

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 7:14 AM to 7:26 AM, and sunset from 7:02 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:147:02
211.87:157:01
311.87:157:00
411.77:156:59
511.77:166:58
611.77:166:57
711.77:166:56
811.67:176:55
911.67:176:54
1011.67:186:53
1111.67:186:52
1211.67:186:51
1311.57:196:50
1411.57:196:49
1511.57:196:49
1611.57:206:48
1711.47:206:47
1811.47:216:46
1911.47:216:45
2011.47:216:44
2111.47:226:43
2211.37:226:42
2311.37:236:42
2411.37:236:41
2511.37:246:40
2611.37:246:39
2711.27:246:38
2811.27:256:38
2911.27:256:37
3011.27:266:36

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.35 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 5.52 kWh/m² in December across the year — April's 4.35 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in April

Hazard calendar for São José dos Campos

In seasonPeak

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

São José dos Campos'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 São José dos Campos?

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

6.7
Sightseeing
6th-best month of the year
6.5
Beach & pool
2nd-best month of the year

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

What to pack for São José dos Campos in April

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

In April, São José dos Campos sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in São José dos Campos 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 São José dos Campos peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 8UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São José dos Campos 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 José dos Campos is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2132 µg/m³Nov 2316 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr21Moderate
May27Moderate
Jun32Moderate
Jul31Moderate
Aug28Moderate
Sep28Moderate
Oct20Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is São José dos Campos?

São José dos Campos sits at 23.2°S, 45.9°W, 600 m above sea level, in Brazil. The nearest listed city is Jacareí, 16 km away.

Topography around São José dos Campos

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

Within 3 km, the terrain around São José dos Campos has only modest variations in elevation — a maximum elevation change of 70 m around an average of 571 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 446 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,040 m.

The land around São José dos Campos is covered by artificial surfaces (42%), trees (27%) and grassland (24%) within 3 km, grassland (46%) and trees (33%) within 16 km, and trees (54%) and grassland (32%) within 80 km.

3 km
70 m
16 km
446 m
80 km
2,040 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Jacareí 16 km · Caçapava 20 km · Guararema 30 km · Paraibuna 32 km · Santa Isabel 37 km · Taubaté 38 km · Salesópolis 39 km · Tremembé 42 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 José dos Campos (-23.1794°, -45.8869°, elevation 600 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).