Rio de Janeiro, Brazil Weather

Brazil 🇧🇷 · Local time 19:30
70°
Patchy rain nearby Feels like 71° · High 72° / Low 67°
Wind
9 mph
Humidity
91%
0 Low
Updated 1 hour ago

Rio de Janeiro hourly forecast: next 24 hours

Today's high of 72°F (22°C) is about 6°F (3°C) below the typical August high of 78°F (25°C).

Now
41%
8 PM
40%
9 PM
35%
10 PM
34%
11 PM
40%
12 AM
44%
1 AM
45%
2 AM
45%
3 AM
45%
4 AM
87%
5 AM
81%
6 AM
89%
6:07 AM
Sunrise
7 AM
83%
8 AM
75%
9 AM
82%
10 AM
81%
11 AM
32%
12 PM
65%
1 PM
2 PM
48%
3 PM
4 PM
5 PM
5:40 PM
Sunset
6 PM

Full Rio de Janeiro hourly forecast →

Current conditions in detail

Feels like
71°
Wind
9 mph
E · gusts 12 mph
Humidity
91%
Pressure
30.05 in
Visibility
6 mi
Precipitation
0.0 in
75% chance today

Rio de Janeiro weather tomorrow (Thursday, August 27)

Tomorrow in Rio de Janeiro looks sunny, with a high of 73° and an overnight low of 68°. There is a 84% chance of rain - plan accordingly. Winds top out near 12 mph, and the UV index reaches 8 (high).

High / Low
73° / 68°
Precipitation
84%
Sunrise / sunset
06:07 AM / 05:40 PM

See the full Rio de Janeiro 14-day forecast →

Rio de Janeiro 14-day forecast

Today
Patchy rain nearby
High 72° Low 67°
Chance of precipitation: 75%
Thu, Aug 27 Thursday
Sunny
High 73° Low 68°
Chance of precipitation: 84%
Fri, Aug 28 Friday
Sunny
High 78° Low 66°
Chance of precipitation: 12%
Sat, Aug 29 Saturday
Sunny
High 89° Low 71°
Chance of precipitation: 6%
Sun, Aug 30 Sunday
Sunny
High 83° Low 70°
Chance of precipitation: 8%
Mon, Aug 31 Monday
Sunny
High 91° Low 69°
Chance of precipitation: 5%
Tue, Sep 1 Tuesday
Patchy rain nearby
High 74° Low 69°
Chance of precipitation: 89%
Wed, Sep 2 Wednesday
Light rain shower
High 69° Low 67°
Chance of precipitation: 91%
Thu, Sep 3 Thursday
Patchy rain nearby
High 68° Low 66°
Chance of precipitation: 83%
Fri, Sep 4 Friday
Patchy rain nearby
High 69° Low 65°
Chance of precipitation: 74%
Sat, Sep 5 Saturday
Light rain shower
High 69° Low 67°
Chance of precipitation: 87%
Sun, Sep 6 Sunday
Light rain shower
High 70° Low 68°
Chance of precipitation: 93%
Mon, Sep 7 Monday
Patchy rain nearby
High 74° Low 69°
Chance of precipitation: 83%
Tue, Sep 8 Tuesday
Patchy rain nearby
High 72° Low 69°
Chance of precipitation: 83%

About the weather in Rio de Janeiro

Rio de Janeiro has one of the steadier climates in our dataset. Average highs move only 6°C across the whole year - from 77°F (25°C) in July to 87°F (30°C) in January - so the practical difference between seasons here is rainfall and daylight, not warmth.

Rio de Janeiro weather: quick facts

  • Hottest month: January - highs near 87°F (30°C)
  • Coldest month: July - highs near 77°F (25°C)
  • Decade extremes (2015-2024): 104°F (40°C) high · 53°F (12°C) low
  • Wettest month: January (15 rainy days) · Sunniest: January (10.5 h sun/day)
  • Climate type: tropical wet-and-dry
  • Annual swing: 6°C between the average warmest and coolest month · day to night: 6°C
  • Months averaging 30°C or hotter: 2
  • Average humidity: 80%

Temperatures through the year

At its warmest, in January, Rio de Janeiro runs to 87°F (30°C) in the afternoon and back to 75°F (24°C) by dawn. July is the coolest month, with highs of 77°F (25°C) and lows near 65°F (18°C). The gridded 2015-2024 daily record for this location tops out at 104°F (40°C) and bottoms at 53°F (12°C) - decade extremes, not all-time station records. January is the wettest month at 6.3 inches (161 mm) over 15 days; July is the driest.

Rain, sun and snow

January is the brightest month at 10.5 hours of sun a day, against an annual average of 9.7. Between the average January and the average July lie 6°C, a narrower spread than about 84% of the cities we track. Days and nights are about 6°C apart on average - narrower than about 89% of the cities we track.

Season by season

September through November

September through November in Rio de Janeiro settles into easy warmth, with daytime highs averaging 80°F (27°C) and nights around 69°F (20°C); rain falls on around 40 of the 90 days.

December through February

December through February is hot here - highs near 86°F (30°C), nights near 74°F (24°C), and rain falls on around 46 of the 90 days. Daylight is generous - around 10.3 hours of sun a day.

March through May

March through May sits firmly in the heat here - highs near 81°F (27°C), nights near 71°F (22°C), and rain falls on around 37 of the 90 days.

June through August

June through August in Rio de Janeiro settles into easy warmth, with daytime highs averaging 77°F (25°C) and nights around 65°F (18°C); expect showers on roughly 25 days across the season.

Average temperatures in Rio de Janeiro by month

Monthly averages for Rio de Janeiro based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 87° 75° 15 6.3 in 10.5 h/day 79%
February 86° 75° 15 5.9 in 10.1 h/day 81%
March 85° 74° 14 6.0 in 10.4 h/day 82%
April 81° 71° 12 3.2 in 10.1 h/day 81%
May 78° 68° 10 2.5 in 9.2 h/day 81%
June 77° 66° 9 1.6 in 9.0 h/day 80%
July 77° 65° 7 1.6 in 9.0 h/day 79%
August 78° 64° 10 2.5 in 9.0 h/day 78%
September 80° 67° 9 2.8 in 9.6 h/day 79%
October 80° 69° 15 3.5 in 9.1 h/day 81%
November 81° 70° 16 5.8 in 9.6 h/day 82%
December 84° 73° 16 5.4 in 10.4 h/day 82%

Explore Rio de Janeiro's full climate guide →

Common questions

Is Rio de Janeiro hot in summer?
January averages 87°F (30°C). Hot afternoons happen but extremes are not the norm.
What is the hottest month in Rio de Janeiro?
January, averaging 87°F (30°C) by day and 75°F (24°C) overnight. The hottest single day in our 2015-2024 record for this location reached 104°F (40°C).
What is the coldest month in Rio de Janeiro?
July, with highs of 77°F (25°C) and lows near 65°F (18°C). The coldest day in the 2015-2024 record fell to 53°F (12°C).
What is the best time to visit Rio de Janeiro?
Aim for May to September if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 78°F (26°C) against roughly 9 wet days a month. For the same question asked the other way round, see where else is warm in May.
How often does it rain in Rio de Janeiro?
About 148 days bring measurable precipitation, totalling 47.0 inches (1193 mm). That works out at roughly 8.1 mm on an average wet day.
Is there snow in Rio de Janeiro?
Effectively no. The 2015-2024 record for Rio de Janeiro shows no regular measurable snowfall.
Which month is wettest in Rio de Janeiro?
January, at 6.3 inches (161 mm) over about 15 days. July is the driest month, at 1.6 inches (40 mm).