The average temperature for the week of 23 June 2025 - 29 June 2025 was 28 °C (82 °F) during the day and 19 °C (66 °F) during the night. The current temperatures are slightly above the long-term average for Rio de Janeiro, with the daily and nighttime temperatures being 24 °C (75 °F) and 15 °C (59 °F), respectively. The beginning of the week saw Monday and Sunday being the hottest days of the week. Wednesday marked the coldest day of the week. On average, the temperatures during various times of day (in local time) were recorded as: 7am 20 °C (68 °F), 10am 24 °C (75 °F), 1pm 26 °C (79 °F), 4pm 25 °C (77 °F), 7pm 22 °C (72 °F), 10pm 22 °C (72 °F).

During this week: 7 days without rain were observed. During the whole week, total of 0 mm (0.00 in) of precipitation was observed, which is below the long term average for Rio de Janeiro, which is 12 mm (0.47 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 27 %. The meteorological event(s) that occurred was: mist.

The wind's speed averaged 3.6 m/s. The atmosferic pressure ranged from 1008 hpa to 1025 hpa. The air in Rio de Janeiro had an average humidity of 71 %.

On average, there were 7 hours clear skies, 1.5 hours partially overcast skies and 2.5 hours overcast skies during the daytime (from dawn to dusk). On average, the time of sunrise was 06:33, and the time of sunset was 17:17.

Weather overview

Rio de Janeiro (Brazil) in general has a tropical climate. Temperatures during the day are in the range from 24 °C (75 °F) in July to 30 °C (85 °F) in February. The least rainy month in Rio de Janeiro is June with its 7 days of rain, the rainiest month is December, when it rains 19 days. The highest night temperatures could be experienced in February with 21 °C (70 °F), the lowest in July with 15 °C (59 °F). Sea temperatures are in the following range: 21 °C (70 °F) in September to 25 °C (78 °F) in March.

January weather

The wet season is taking place this month in Rio de Janeiro. The rise of the day temperature can be observed, its value is 29 °C (85 °F), and the sea temperature continues to rise too, its value is 25 °C (76 °F). The rainfall amount rises similarly to the previous month, with its value being 180 mm (7.09 in). The night temperature continues to rise, the value of this measure is 21 °C (69 °F). The beginning of the rise of the number of sun hours (without clouds) could be noticed.

February weather

The tourist season is at its beginning in Rio de Janeiro. The day temperature reaches its maximum, the value of this measure is 30 °C (85 °F), and the maximum of the night temperature can be noticed too, with its value being 21 °C (70 °F). The beginning of the descent of the number of rainy days could be noticed, with its value of 15 days, and the rainfall amount descent's start could be observed as well in February. The maximum of the number of sun hours (without clouds) can be noticed in February.

March weather

There is pending tourist season this month in Rio de Janeiro. The day temperature starts to descent, with its value of 29 °C (83 °F), while the maximum of the sea temperature is observable in March. The maximum of the rainfall amount is observable, with its value being 207 mm (8.14 in). The number of sun hours (without clouds) starts to descent in this month.

April weather

The tourist season continues in Rio de Janeiro. The descent of the day temperature can be observed, with its value being 27 °C (81 °F), while the sea temperature descent's start could be observed in April. The number of rainy days descent's start could be observed, its value is 12 days, and the rainfall amount starts to descent as well, the value of this measure is 148 mm (5.84 in). The maximum of the humidity is observable.

May weather

The day temperature descents similarly to the previous month, with its value of 25 °C (77 °F) in Rio de Janeiro, and the descent of the sea temperature can be observed too. The ongoing tourist season is noticeable. The rainfall amount descents similarly to the previous month, with its value of 79 mm (3.12 in), and the descent of the number of rainy days can be observed as well, its value is 9 days. The night temperature continues to descent, the value of this measure is 17 °C (63 °F).

June weather

The day temperature descents similarly to the previous month, its value is 25 °C (76 °F) in Rio de Janeiro, and the sea temperature continues to descent too, the value of this measure is 23 °C (73 °F). The tourist season is taking place. The number of rainy days reaches its minimum, with its value of 7 days, while the rainfall amount continues to descent. The minimum of the wind speed can be noticed in June.

July weather

The minimum of the day temperature is observable, its value is 24 °C (75 °F) in Rio de Janeiro, while the descent of the sea temperature can be observed, the value of this measure is 22 °C (71 °F). There is pending dry season. The night temperature reaches its minimum in this month.

August weather

The minimum of the rainfall amount can be noticed, with its value of 35 mm (1.37 in) in Rio de Janeiro. The beginning of the rise of the day temperature could be noticed, its value is 25 °C (76 °F), and the night temperature rise's start could be observed as well in August. There is pending dry season. The minimum of the humidity can be noticed, with its value being 78 %.

September weather

The sea temperature reaches its minimum, its value is 21 °C (70 °F) in Rio de Janeiro, while the night temperature rises similarly to the previous month, its value is 17 °C (62 °F). The number of rainy days rise's start could be observed, the value of this measure is 11 days, and the rainfall amount rise's start could be observed too in this month. The minimum of the number of sun hours (without clouds) can be noticed, its value is 5 hours.

October weather

The rise of the number of rainy days can be observed, the value of this measure is 12 days in Rio de Janeiro, and the rainfall amount continues to rise too, the value of this measure is 73 mm (2.89 in). The day temperature rise's start could be observed, its value is 26 °C (78 °F), while the rise of the night temperature can be observed, its value is 18 °C (64 °F). The wind speed is on its maximum.

November weather

The day temperature continues to rise, with its value being 27 °C (80 °F) in Rio de Janeiro, while the sea temperature rise's start could be observed in November. The wet season is about to start. The number of rainy days rises similarly to the previous month, with its value of 16 days, and the rainfall amount rises similarly to the previous month too, its value is 97 mm (3.83 in). The night temperature rises similarly to the previous month.

December weather

The day temperature rises similarly to the previous month in Rio de Janeiro, and the sea temperature continues to rise too, the value of this measure is 24 °C (75 °F). There is pending wet season this month. The number of rainy days is on its maximum, the value of this measure is 19 days, while the rise of the rainfall amount can be observed, its value is 153 mm (6.04 in). The night temperature rises similarly to the previous month, the value of this measure is 20 °C (68 °F).

How windy is it in January in Rio de Janeiro?

In January in Rio de Janeiro, there will be an average wind scale of 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.

Is February part of the wet season in Rio de Janeiro?

No, there is no wet season in February in Rio de Janeiro - you can expect 15 days of rain during the month.

Are there good conditions to visit in March in Rio de Janeiro?

In Rio de Janeiro in March, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 29 °C (83 °F). The temperature of the sea will be perfect at 25 °C (78 °F). At night, temperatures hover around a pleasant 21 °C (69 °F).

Is it hot in April in Rio de Janeiro?

In Rio de Janeiro in April, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

What is the air temperature in Rio de Janeiro in May at night?

The average night temperature in Rio de Janeiro in May is 17 °C (63 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.

What temperature can I expect during the day in June in Rio de Janeiro?

The average daily temperature in June in Rio de Janeiro is 25 °C (76 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

What is the sea temperature in Rio de Janeiro in July?

The temperature of the sea in July in Rio de Janeiro is 22 °C (71 °F). The sea at this temperature is quite cold, but it is already possible to stay in it for a long time and it is pleasantly refreshing on hot, steamy days.

How many rainy days can I expect in August in Rio de Janeiro?

There are 7 days, which are rainy in August in Rio de Janeiro, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.7 days of the week, or in general - 24 % days.

What level of humidity is to expect in September in Rio de Janeiro?

In Rio de Janeiro in September, expect humidity around 79 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

How many sunny hours can I expect in Rio de Janeiro in October?

In Rio de Janeiro in October, you can expect around 5 hours of sunshine.