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Rio de Janeiro weather

Rio de Janeiro · 6,747,815 inhabitants · Thursday, October 29 · updated 14:05

Raining now Air: Moderate High storm risk · Mon, Wed, Thu

22°

Overcast

Feels like 30°C

Wind

4 km/h

Gusts

4 km/h

Humidity

83 %

Pressure

1017 hPa

Clouds

86 %

Storm

Rise 05:09 Set 18:03 Day 12 h 54 min UV 4 · Moderate

Morning, afternoon, evening

Trend

Afternoon

Light rain

23°

Feels like 31°

Wind ↑ ESE 9 km/h

Humidity 85 %

💧 1.9 mm

Evening

Light rain

22°20°

Feels like 30°

Wind ↑ ESE 7 km/h

Humidity 91 %

💧 6.2 mm

15:00

23°

1.9mm

ESE 9

18:00

20°

2.0mm

ENE 7

Rio de Janeiro 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)

Rio de Janeiro climate: what a normal year looks like

The hottest stretch is February, when afternoons average 31 °C; the coldest is July, when nights average 16 °C.

Swimmers find the warmest sea in March (25 °C) and the coolest in September (21 °C).

Afternoons reach 30 °C or more from December to March; the typical peak is 31 °C in February.

A normal year brings roughly 1,700 mm of rain — more than 82% of the towns of 20,000+ people we compared it with.

Forecast highs for the coming week average 26 °C, 2 °C cooler than a normal October (28 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall	Sea
Jan	31 °C	23 °C	265 mm	25 °C
Feb	31 °C	23 °C	200 mm	25 °C
Mar	31 °C	23 °C	220 mm	25 °C
Apr	29 °C	21 °C	111 mm	25 °C
May	27 °C	19 °C	80 mm	24 °C
Jun	26 °C	17 °C	51 mm	23 °C
Jul	25 °C	17 °C	51 mm	22 °C
Aug	26 °C	17 °C	48 mm	21 °C
Sep	27 °C	18 °C	91 mm	21 °C
Oct	28 °C	20 °C	125 mm	22 °C
Nov	29 °C	21 °C	217 mm	22 °C
Dec	30 °C	22 °C	241 mm	24 °C
Whole year	28 °C	20 °C	1,700 mm	23 °C

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 22.91° S, 43.18° 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 Rio de Janeiro: pollution and pollen

3/6

Moderate

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.523µg/m³

PM1026µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Rio de Janeiro

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

Moon over Rio de Janeiro

Waning gibbous

87 % illuminated · 18.3 days

Rise 15:53 Set 01:42

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.

Sea and tides near Rio de Janeiro

Tide station used: Ilha Fiscal Rj · 2 km away

🌊 Sea surface

23.1 °C

satellite, 29/10

Sea state

Smooth

waves 0.8 m

Period

8 s

Swell

0.8 m

WedWed 28/10

Low tide 22:49 0.3 m

TodayThu 29/10

High tide 04:31 1.3 m

Low tide 11:40 0.6 m

High tide 16:25 1.2 m

Low tide 23:41 0.3 m

TomorrowFri 30/10

High tide 05:12 1.2 m

Low tide 12:59 0.8 m

High tide 16:59 1.1 m

SatSat 31/10

Low tide 00:58 0.4 m

High tide 05:56 1.1 m

Low tide 14:41 0.8 m

High tide 17:39 1.1 m

Indicative heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest. · more tide detail on TidesAtlas

Look up a past day in Rio de Janeiro

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

Rio de Janeiro weather at a glance

This page gathers everything about the weather in Rio de Janeiro, Rio de Janeiro: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “overcast”, it is 22 °C (feels like 30 °C) and the wind blows at 4 km/h.

Expected range today: 20 °C to 23 °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, plus the tide times for Ilha Fiscal Rj.

Other big cities nearby

Niterói 8 km 23°

Duque de Caxias 19 km 23°

Barra Da Tijuca 21 km 22°

São João de Meriti 23 km 23°

Belford Roxo 27 km 23°

Nova Iguaçu 32 km 23°

Juiz de Fora 128 km 20°

Campos Dos Goytacazes 230 km 25°

Rio de Janeiro weather data for developers

Use the Rio de Janeiro 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