Climate · Brazil

Rio de Janeiro

Hot and wet from January to March; warm and mostly dry from May to August.

Typical weather, averaged over 30 years22.9°S0 m above the sea
  1. Jan90°32°74°23°Rain on about four days a week.
  2. Feb91°33°74°23°Rain on about four days a week.
  3. Mar90°32°74°23°Rain on about four days a week.
  4. Apr86°30°71°22°Rain on about three days a week.
  5. May82°28°66°19°Rain on about three days a week.
  6. Jun81°27°64°18°Rain on about two days a week.
  7. Jul80°27°63°17°Rain on about two days a week.
  8. Aug82°28°63°17°Rain on about two days a week.
  9. Sep85°29°65°18°Rain on about two days a week.
  10. Oct85°29°68°20°Rain on about three days a week.
  11. Nov86°30°69°21°Rain on about four days a week.
  12. Dec88°31°72°22°Rain on about four days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The hot season runs from January to March, with highs near 90°F and nights near 74°F. From May to August, highs are nearer 81°F. The rain comes from November to April, on about four days a week. June to September is the driest stretch, with rain on about two days a week. Daylight runs from about 11 hours in June to 13½ hours in December.The hot season runs from January to March, with highs near 32°C and nights near 23°C. From May to August, highs are nearer 27°C. The rain comes from November to April, on about four days a week. June to September is the driest stretch, with rain on about two days a week. Daylight runs from about 11 hours in June to 13½ hours in December.

Where Rio de Janeiro sits

America/Sao Paulo

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
22.9°Ssouthern hemisphere
Above the sea
0 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
5:20 AM5:41 AM5:55 AM6:06 AM6:18 AM6:31 AM6:33 AM6:19 AM5:50 AM5:21 AM5:02 AM5:02 AMsets 6:43 PMsets 6:33 PMsets 6:10 PMsets 5:41 PMsets 5:20 PMsets 5:15 PMsets 5:24 PMsets 5:37 PMsets 5:46 PMsets 5:56 PMsets 6:14 PMsets 6:34 PM
Nearest of ours
São Paulo357 km west

The land around Rio de Janeiro, shaded by its typical high in January, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in February, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in March, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in April, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in May, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in June, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in July, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in August, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in September, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in October, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in November, the planning map's own layer.The land around Rio de Janeiro, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 80°F in July to 91°F in February.Highs from 27°C in July to 33°C in February.

Chance of a wet day

Wettest in December (63% of days), driest in July (25%).

Cloud cover

Clearest in August (31% cover), cloudiest in January (73%).

Daylight

From 10h 45m in June to 13h 31m in December.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Rio de Janeiro, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryHot season
74°23°90°32°
4 days73%13h 22m
FebruaryHot season
74°23°91°33°
4 days67%12h 54m
MarchHot season
74°23°90°32°
4 days61%12h 15m
April
71°22°86°30°
3 days49%11h 35m
MayCool season
66°19°82°28°
3 days41%11h 01m
JuneCool seasonAt its best
64°18°81°27°
2 days38%10h 45m
JulyCool seasonAt its best
63°17°80°27°
2 days35%10h 53m
AugustCool seasonAt its best
63°17°82°28°
2 days31%11h 22m
September
65°18°85°29°
2 days37%12h 00m
October
68°20°85°29°
3 days55%12h 41m
November
69°21°86°30°
4 days64%13h 15m
December
72°22°88°31°
4 days68%13h 31m

When is the best time to visit Rio de Janeiro?


The best months are June to August: highs near 81°F, nights near 63°F, and rain on about two days a week.The best months are June to August: highs near 27°C, nights near 17°C, and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Rio de Janeiro?

February, with highs near 91°F and lows near 74°F. The coolest is July, with highs near 80°F.February, with highs near 33°C and lows near 23°C. The coolest is July, with highs near 27°C.

When does it rain most in Rio de Janeiro?

December, with rain on about four days a week. July is the driest, with rain on about two days a week.

How long are the days in Rio de Janeiro?

From about 11 hours in June to 13½ hours in December.

When are the skies clearest in Rio de Janeiro?

August, when cloud covers about 31% of the sky on average. January is the cloudiest, at about 73%.

Places with a year like Rio de Janeiro's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Rio de Janeiro's through the year, one place a country. “Six months apart”: their winter is Rio de Janeiro's summer.

Elsewhere in Brazil

All of Brazil

Where to stay

1 in our collection

Typical weather, averaged over 30 years (1995–2024), read 11 km east of Rio de Janeiro. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (66 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (66 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.