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Santos weather

Sao Paulo · 418,608 inhabitants · Thursday, October 29 · updated 18:24

Raining now Air: Fair Low storm risk · Wed

20°

Light rain

Feels like 20°C

Wind

6 km/h

Gusts

7 km/h

Humidity

94 %

Pressure

1015 hPa

Clouds

93 %

Storm

Rise 05:20 Set 18:17 Day 12 h 57 min UV 4 · Moderate

Morning, afternoon, evening

Trend

Evening

Rain

21°20°

Feels like 28°

Wind ↑ W 6 km/h

Humidity 88 %

💧 9.6 mm

18:00

20°

3.2mm

W 6

Santos 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)

Santos climate: what a normal year looks like

A normal year brings roughly 2,240 mm of rain — more than 91% of the towns of 20,000+ people we compared it with.

The hottest stretch is February, when afternoons average 29 °C; the coldest is July, when nights average 15 °C.

From 10 h 39 min of daylight in late June to 13 h 37 min in late December.

Forecast highs for the coming week average 23 °C, 2 °C cooler than a normal October (25 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	29 °C	22 °C	357 mm
Feb	29 °C	22 °C	314 mm
Mar	28 °C	21 °C	294 mm
Apr	27 °C	20 °C	139 mm
May	24 °C	17 °C	110 mm
Jun	23 °C	16 °C	82 mm
Jul	23 °C	15 °C	92 mm
Aug	23 °C	15 °C	77 mm
Sep	23 °C	16 °C	136 mm
Oct	25 °C	18 °C	167 mm
Nov	26 °C	19 °C	211 mm
Dec	28 °C	21 °C	259 mm
Whole year	26 °C	18 °C	2,240 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 23.96° S, 46.33° 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 Santos: pollution and pollen

2/6

Fair

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.516µg/m³

PM1021µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Santos

Rain observed over the last two hours by official weather radars around Santos, 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 Santos yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Santos

Waning gibbous

87 % illuminated · 18.3 days

Rise 16:09 Set 01:52

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 Santos

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

Santos weather at a glance

This page gathers everything about the weather in Santos, 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 20 °C (feels like 20 °C) and the wind blows at 6 km/h.

Expected range today: 20 °C to 22 °C and around 4 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

São Vicente 6 km 22°

Praia Grande 9 km 22°

Mauá 35 km 17°

São Bernardo Do Campo 38 km 17°

Santo André 39 km 17°

Grajaú 40 km 17°

Diadema 42 km 19°

Suzano 47 km 18°

Santos weather data for developers

Use the Santos 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