Jundiaí weather in April

In April, Jundiaí sees average daytime highs of 26°C and overnight lows near 17°C, with 64 mm of rain across 8.8 wet days and about 11.5 hours of daylight. It is the 7th-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 40% 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 Jundiaí's 4th-clearest and 6th-windiest month. For the whole year in context, see Jundiaí's year-round climate.

Daytime high
26°
7th warmest
Overnight low
17°
7th coldest
Rainfall
64 mm
8.8 wet days
Daylight
11 h 30 min
7:24 AM – 6:52 PM
Cloud cover
52%
4th clearest
Wind
10 km/h
6th windiest
Solar energy
4.63 kWh/m²
Travel score
6.9
out of 10

Jundiaí is human settlement in Brazil.

Air quality
Good
PM10 24.9 µg/m³ · 2019

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 Jundiaí 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
112717
122717
132717
142717
152717
162617
172617
182617
192617
202617
212617
222617
232616
242616
252616
262616
272616
282616
292516
302516

Jundiaí weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°24322.213.34.4
Feb28° / 19°16918.912.84.4
Mar28° / 19°13517.712.25.3
Apr26° / 17°648.811.56.9
May24° / 14°646.810.97.5
Jun23° / 13°495.210.67.8
Jul23° / 12°464.710.78.0
Aug25° / 13°374.511.28.1
Sep26° / 15°868.911.97.0
Oct27° / 17°11813.112.56.0
Nov27° / 18°15015.713.15.5
Dec28° / 19°18919.913.44.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25644
35644
45842
55842
65842
75842
85941
96040
106040
116040
126040
136139
146139
156139
166139
176139
186238
196238
206238
216238
226436
236436
246436
256535
266535
276436
286436
296436
306436

Chance of precipitation in April

Any precipitation

Jundiaí gets around 64 mm of rain over 8.8 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 30% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
241
340
438
537
636
735
834
933
1032
1131
1231
1330
1429
1529
1628
1728
1828
1927
2027
2126
2226
2325
2425
2524
2624
2723
2823
2922
3022

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11835551
21936531
31936531
411036521
511137501
621137491
721238481
821338461
921438451
1021538431
1131739411
1231839401
1331939380
1442039360
1542240350
1642340330
1742540310
1842641290
1942841270
2052941250
2153141230
2263241210
2363441190
2473541170
2583641150
2683840140
2793940120
28104040110
2911413990
3012413880

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 7:18 AM to 7:30 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)
111.87:187:06
211.87:197:05
311.87:197:04
411.77:197:03
511.77:207:02
611.77:207:01
711.77:207:00
811.67:216:59
911.67:216:58
1011.67:226:57
1111.67:226:56
1211.67:226:55
1311.57:236:54
1411.57:236:53
1511.57:236:53
1611.57:246:52
1711.47:246:51
1811.47:256:50
1911.47:256:49
2011.47:256:48
2111.47:266:47
2211.37:266:46
2311.37:276:46
2411.37:276:45
2511.37:286:44
2611.37:286:43
2711.27:286:42
2811.27:296:42
2911.27:296:41
3011.27:306:40

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.63 kWh/m².

For context, solar energy here swings from a low near 3.51 kWh/m² to a high of 5.84 kWh/m² in December across the year — April's 4.63 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in April

Hazard calendar for Jundiaí

In seasonPeak

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

Jundiaí'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 Jundiaí?

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

6.9
Sightseeing
6th-best month of the year
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Jundiaí in April

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

In April, Jundiaí sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Jundiaí 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 Jundiaí peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jundiaí 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 Jundiaí is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1838 µg/m³Jan 1018 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar22Moderate
Apr26Moderate
May31Moderate
Jun35Poor
Jul38Poor
Aug36Poor
Sep35Poor
Oct25Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Jundiaí?

Jundiaí sits at 23.2°S, 46.9°W, 753 m above sea level, in Brazil. The nearest listed city is Várzea Paulista, 6.0 km away.

Topography around Jundiaí

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

Within 3 km, the terrain around Jundiaí has only modest variations in elevation — a maximum elevation change of 133 m around an average of 739 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 643 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,206 m.

The land around Jundiaí is covered by artificial surfaces (70%) within 3 km, trees (56%) and grassland (24%) within 16 km, and trees (46%) and grassland (24%) within 80 km.

3 km
133 m
16 km
643 m
80 km
1,206 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Várzea Paulista 6.0 km · Campo Limpo Paulista 10 km · Louveira 13 km · Francisco Morato 18 km · Itupeva 18 km · Jarinu 19 km · Cajamar 19 km · Vinhedo 20 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 Jundiaí (-23.1864°, -46.8842°, elevation 753 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).