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Diadema weather

Sao Paulo · 403,579 inhabitants · Thursday, October 29 · updated 16:13

Light rain
19°
Light rain
Feels like 19°C
Wind
6 km/h
Gusts
6 km/h
Humidity
90 %
Pressure
1016 hPa
Clouds
99 %
Storm
No
Rise 05:21 Set 18:18 Day 12 h 56 min UV 4 · Moderate

Morning, afternoon, evening

Trend
Afternoon
Light rain
Light rain
21°19°
Feels like 26°
Wind ↑ S 6 km/h
Humidity 79 %
💧 3.0 mm
Evening
Rain
Rain
18°17°
Feels like 18°
Wind ↑ SSE 5 km/h
Humidity 97 %
💧 12.6 mm
18:00
Light rain
17°
4.4mm
SSE 5

Diadema 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)
14°18°23°27°31°TodayFriSatSunMonTueWed30°20°Thu 29 Oct: max 21° · min 17° · normal 20.3°Fri 30 Oct: max 23° · min 17° · normal 20.3°Sat 31 Oct: max 21° · min 16° · normal 20.3°Sun 1 Nov: max 22° · min 17° · normal 20.3°Mon 2 Nov: max 23° · min 18° · normal 20.4°Tue 3 Nov: max 27° · min 19° · normal 20.4°Wed 4 Nov: max 30° · min 20° · normal 20.4°

Hourly detail

ThuFriSatSunMonTueWedThu15°23°31°30°16°012
Temperature (°C) Rain (mm) Wind (km/h)

Diadema climate: what a normal year looks like

The hottest stretch is February, when afternoons average 28 °C; the coldest is July, when nights average 13 °C.

A normal year brings roughly 1,830 mm of rain — more than 85% of the towns of 20,000+ people we compared it with.

From 10 h 40 min of daylight in late June to 13 h 36 min in late December.

Forecast highs for the coming week average 24 °C, 1 °C cooler than a normal October (25 °C).

30-year averages (1991–2020)
MonthTypical highTypical lowRainfall
Jan27 °C20 °C298 mm
Feb28 °C20 °C244 mm
Mar27 °C19 °C228 mm
Apr26 °C18 °C100 mm
May23 °C15 °C85 mm
Jun22 °C14 °C64 mm
Jul22 °C13 °C74 mm
Aug23 °C13 °C59 mm
Sep23 °C15 °C116 mm
Oct25 °C17 °C146 mm
Nov25 °C17 °C193 mm
Dec27 °C19 °C228 mm
Whole year25 °C16 °C1,830 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 23.69° S, 46.62° 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 Diadema: pollution and pollen

3/6
Moderate
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.522µg/m³
PM1024µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Diadema

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

Full-screen rain radar and next-hour rain on RainAtlas
Rain radar Last two hours, then forecast where available · drag the timeline

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

Moon over Diadema

Waning gibbous
87 % illuminated · 18.3 days
Rise 16:09 Set 01:54
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 Diadema

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

Diadema weather at a glance

This page gathers everything about the weather in Diadema, 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 “light rain”, it is 19 °C (feels like 19 °C) and the wind blows at 6 km/h.

Expected range today: 17 °C to 21 °C and around 7 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.

Diadema weather data for developers

Use the Diadema 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