Home › Brazil › Sao Paulo › Jundiaí

Jundiaí weather

Sao Paulo · 443,221 inhabitants · Thursday, October 29 · updated 14:03

Raining now Air: Poor High storm risk · Sat, Sun, Wed

20°

Drizzle

Feels like 20°C

Wind

2 km/h

Gusts

4 km/h

Humidity

89 %

Pressure

1018 hPa

Clouds

81 %

Storm

Rise 05:23 Set 18:18 Day 12 h 55 min UV 4 · Moderate

Morning, afternoon, evening

Trend

Afternoon

Light rain

21°20°

Feels like 27°

Wind ↑ WSW 7 km/h

Gusts 16 km/h

Humidity 86 %

💧 6.8 mm

Evening

Light rain

19°17°

Feels like 19°

Wind ↑ WSW 5 km/h

Humidity 94 %

💧 6.3 mm

15:00

21°

4.4mm

WSW 5

18:00

17°

2.4mm

WSW 4

Jundiaí forecast in charts · next 7 days

The week ahead: highs and lows

≈ A week close to the usual temperatures

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Jundiaí climate: what a normal year looks like

The hottest stretch is February, when afternoons average 28 °C; the coldest is July, when nights average 12 °C.

A normal year brings roughly 1,490 mm of rain — more than 75% of the towns of 20,000+ people we compared it with.

From 10 h 42 min of daylight in late June to 13 h 33 min in late December.

Forecast highs for the coming week average 25 °C, 2 °C cooler than a normal October (27 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	28 °C	19 °C	264 mm
Feb	28 °C	19 °C	189 mm
Mar	27 °C	19 °C	154 mm
Apr	27 °C	17 °C	74 mm
May	23 °C	14 °C	69 mm
Jun	23 °C	13 °C	51 mm
Jul	23 °C	12 °C	49 mm
Aug	24 °C	13 °C	39 mm
Sep	25 °C	15 °C	91 mm
Oct	27 °C	17 °C	131 mm
Nov	27 °C	17 °C	167 mm
Dec	28 °C	19 °C	209 mm
Whole year	26 °C	16 °C	1,490 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 23.19° S, 46.88° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Jundiaí: pollution and pollen

4/6

Poor

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.526µg/m³

PM1027µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Jundiaí

Rain observed over the last two hours by official weather radars around Jundiaí, followed by the radar forecast for the next hour where the weather service provides one.

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Jundiaí yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Jundiaí

Waning gibbous

87 % illuminated · 18.3 days

Rise 16:09 Set 01:57

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (America/Sao_Paulo); phase and lit fraction from a synodic calculation.

Look up a past day in Jundiaí

Curious about the weather in Jundiaí on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Jundiaí weather at a glance

This page gathers everything about the weather in Jundiaí, Sao Paulo: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “drizzle”, it is 20 °C (feels like 20 °C) and the wind blows at 2 km/h.

Expected range today: 17 °C to 21 °C and around 10 mm of rain; keep an eye on thunderstorms. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Other big cities nearby

Barueri 36 km 19°

Campinas 36 km 20°

Carapicuíba 38 km 19°

Osasco 40 km 19°

Guarulhos 47 km 19°

São Paulo 47 km 19°

Jardim Angela 60 km 18°

Diadema 62 km 18°

Jundiaí weather data for developers

Use the Jundiaí forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

Create a free key

Where does this forecast come from? Our engine, checked every day against 1125 weather stations