Summer
Dec → Feb- 16 rainy days · 152 mm
- 10.3 h of sun
- sea 26°
In short: April and May, then September to November, for Rio and the South-East: less rain than in summer (56 mm in May in Rio against 156 mm in January) and 26 to 27 °C in the afternoon. The country is so vast that each region has its own season: the Pantanal is best from June to September, the Amazon from July to October and the Nordeste from September to January.
Best avoided: January and February in Rio: sticky heat (29 °C in the afternoon), 16 rainy days a month and rising prices around Carnival; it is also the heart of the rainy season in the Pantanal and the Amazon.
Sources: en.wikipedia.org, en.wikipedia.org, en.wikipedia.org
RecommendedFairNot recommended· afternoon temperature
| Month | High | Low | Sunshine | Rainfall | Rainy days | Sea | Best |
|---|---|---|---|---|---|---|---|
| January | 29° | 23° | 10.5 h | 156 mm | 16 d | 26° | |
| February | 29° | 24° | 10.1 h | 139 mm | 16 d | 27° | |
| March | 29° | 23° | 10.4 h | 118 mm | 10 d | 27° | |
| April | 27° | 21° | 10.1 h | 90 mm | 13 d | 25° | ✓ |
| May | 26° | 20° | 9.2 h | 56 mm | 8 d | 24° | ✓ |
| June | 25° | 19° | 9 h | 38 mm | 9 d | 23° | |
| July | 25° | 18° | 9 h | 42 mm | 7 d | 23° | |
| August | 25° | 18° | 9 h | 74 mm | 9 d | 23° | |
| September | 27° | 20° | 9.6 h | 70 mm | 8 d | 24° | ✓ |
| October | 26° | 21° | 9.1 h | 102 mm | 16 d | 23° | ✓ |
| November | 27° | 21° | 9.6 h | 110 mm | 15 d | 24° | ✓ |
| December | 28° | 22° | 10.4 h | 162 mm | 17 d | 25° |
What the 2015-2024 records (Rio de Janeiro) show, season by season, to compare at a glance instead of reading twelve rows of a table.
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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EventsCarnivalFebruary to MarchParintins FestivalJuneCírio de NazaréOctoberNew Year's Eve in CopacabanaDecemberDetails ↓
favourablewith compromisesunfavourable
Beach & swimming: good conditions all twelve months.
Grid derived from the records (temperature, rainfall, sea), not from an opinion.
What comes back every year, and when. These events fill the hotels and push prices up: something to aim for or to avoid, depending on what you want.
Sambadrome parades in Rio, blocos in the streets of São Paulo and trios elétricos in Salvador, over the carnival days.
On an island in the Amazon, two rival camps, Garantido and Caprichoso, face off in a spectacle built around the boi bumbá.
Belém carries Our Lady of Nazareth in procession on the second Sunday of October, behind a rope pulled by the crowd.
Rio spends New Year's Eve dressed in white on the beach, with offerings to Iemanjá and fireworks launched from barges.
A country's best time is an average, and it hides big differences. Here is what the records say for each area, month by month: ✓ for a recommended month, ~ for a fair one, a dot for a month to avoid. Hover over a cell for the temperature.
| Area | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🇧🇷 Rio de Janeiro | ~ | · | ~ | ✓ | ✓ | ~ | · | ~ | ✓ | ✓ | ✓ | ✓ |
| 🇧🇷 Salvador da Bahia | ✓ | ✓ | ~ | · | · | · | · | ~ | ✓ | ✓ | ✓ | ✓ |
| 🇧🇷 The Brazilian Amazon | · | · | · | · | ~ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ~ |
| 🇧🇷 Northeast Brazil | · | · | · | · | · | · | ~ | ✓ | ✓ | ✓ | ✓ | ~ |
| 🇧🇷 The Pantanal | · | · | · | · | ~ | ✓ | ✓ | ✓ | ✓ | ✓ | ~ | · |
| 🇧🇷 Lençóis Maranhenses | · | · | · | · | ~ | ✓ | ✓ | ✓ | ✓ | ~ | · | · |
Rio de JaneiroBest time: April to May and September to DecemberWhen to visit Rio de Janeiro →The Rio de Janeiro guide
Salvador da BahiaBest time: September to MarchWhen to visit Salvador da Bahia →The Salvador da Bahia guide
The Brazilian AmazonBest time: June to November (dry season)When to visit the Brazilian Amazon →The Brazilian Amazon guideLow season, lower prices
Busy, without the crush
Busy, without the crush
Busy, without the crush
Busy, without the crush
Busy, without the crush
Busy, without the crush
Busy, without the crush
Busy, without the crush
High season, book early
Busy, without the crush
Busy, without the crush
January. 29 °C in the afternoon and 23 °C at night. A very wet month, 156 mm of rain over 16 days. Plenty of sunshine: 10.5 h a day on average. The sea is at 26 °C, a proper swim. Low season: fewer people, lower prices.
February. 29 °C in the afternoon and 24 °C at night. A very wet month, 139 mm of rain over 16 days. Plenty of sunshine: 10.1 h a day on average. The sea is at 27 °C, a proper swim. Busy season, without the crush.
March. 29 °C in the afternoon and 23 °C at night. Expect 10 days of rain in the month (118 mm). Plenty of sunshine: 10.4 h a day on average. The sea is at 27 °C, a proper swim. Busy season, without the crush.
April. 27 °C in the afternoon and 21 °C at night. Expect 13 days of rain in the month (90 mm). Plenty of sunshine: 10.1 h a day on average. The sea is at 25 °C: pleasant swimming. Busy season, without the crush.
May. 26 °C in the afternoon and 20 °C at night. Expect 8 days of rain in the month (56 mm). Plenty of sunshine: 9.2 h a day on average. The sea is at 24 °C: pleasant swimming. Busy season, without the crush.
June. 25 °C in the afternoon and 19 °C at night. Expect 9 days of rain in the month (38 mm). Plenty of sunshine: 9 h a day on average. The sea is at 23 °C: pleasant swimming. Busy season, without the crush.
July. 25 °C in the afternoon and 18 °C at night. Rain stays light: 42 mm over 7 days. Plenty of sunshine: 9 h a day on average. The sea is at 23 °C: pleasant swimming. Busy season, without the crush.
August. 25 °C in the afternoon and 18 °C at night. Expect 9 days of rain in the month (74 mm). Plenty of sunshine: 9 h a day on average. The sea is at 23 °C: pleasant swimming. Busy season, without the crush.
September. 27 °C in the afternoon and 20 °C at night. Expect 8 days of rain in the month (70 mm). Plenty of sunshine: 9.6 h a day on average. The sea is at 24 °C: pleasant swimming. Busy season, without the crush.
October. 26 °C in the afternoon and 21 °C at night. Frequent rain: 102 mm over 16 days. Plenty of sunshine: 9.1 h a day on average. The sea is at 23 °C: pleasant swimming. High season: book early.
November. 27 °C in the afternoon and 21 °C at night. Frequent rain: 110 mm over 15 days. Plenty of sunshine: 9.6 h a day on average. The sea is at 24 °C: pleasant swimming. Busy season, without the crush.
December. 28 °C in the afternoon and 22 °C at night. Frequent rain: 162 mm over 17 days. Plenty of sunshine: 10.4 h a day on average. The sea is at 25 °C: pleasant swimming. Busy season, without the crush.
Their best time overlaps with this one: worth comparing before you book.
April and May, then September to November, for Rio and the South-East: less rain than in summer (56 mm in May in Rio against 156 mm in January) and 26 to 27 °C in the afternoon. The country is so vast that each region has its own season: the Pantanal is best from June to September, the Amazon from July to October and the Nordeste from September to January.
January and February in Rio: sticky heat (29 °C in the afternoon), 16 rainy days a month and rising prices around Carnival; it is also the heart of the rainy season in the Pantanal and the Amazon.
January, with 29 °C on average in the afternoon and 23 °C at night. 2015-2024 records (Rio de Janeiro).
June, with 25 °C at best during the day and 19 °C at night. 2015-2024 records (Rio de Janeiro).
June: 38 mm over 9 days of rain, against 162 mm in December, the wettest month.
January, with 10.5 h of sunshine a day on average. Note that this counts clear skies, not the length of the day.
The water never drops below 22 °C: from 23 to 27 °C depending on the month (warmest in February), measured in 2023-2024 on the nearest coast (Rio de Janeiro).
May, June, July, August, September: highs between 12 and 29 °C and no more than 9 days of rain a month according to 2015-2024 records (Rio de Janeiro), the safest windows for walking.
January, February, March, April, December: the sea is above 25 °C, warm enough to stay in a long time without a thick wetsuit. 2023-2024 records on the nearest coast (Rio de Janeiro).
Photos: Renan Bomtempo / Pexels · Chait Goli / Pexels · Khoi Pham / Pexels