July weather - Winter 2024 - Rio de Janeiro, Brazil

Weather in July
Frequently asked questions
Average temperature in July
Average pressure in July
Average wind speed in July
Average humidity in July
Average rainfall in July
Average rainfall days in July
Average sea temperature in July
Average daylight in July
Average sunshine in July
Average sunshine days in July
Average UV index in July
Average cloud cover in July
Average visibility in July

Christ the Redeemer statue atop Mount Corcovado, overlooking the seaside city of Rio de Janeiro, Brazil

Weather in July

July in Rio de Janeiro signifies the heart of winter but also brings about the driest month of the year with only 31mm (1.22") of rain. Outdoor activities become more advisable, with fewer chances of any weather disruptions. Amidst fair weather, temperatures reach up to 24°C (75.2°F), keeping the ambiance comfortably warm in the daytime. Winter nights, however, offer a crisper feel with lowered temperatures. Characteristically, July ensures a quieter, yet agreeable weather period in Rio, presenting a charming respite from the typical bustling city vibe.

Temperature

With its high average temperature of 24°C (75.2°F) and a low of 18.7°C (65.7°F), July is regarded as the coldest month in Rio de Janeiro.

Humidity

In Rio de Janeiro, the average relative humidity in July is 78%.

Rainfall

In Rio de Janeiro, during July, the rain falls for 9.3 days and regularly aggregates up to 31mm (1.22") of precipitation. In Rio de Janeiro, during the entire year, the rain falls for 192.5 days and collects up to 812mm (31.97") of precipitation.

Sea temperature

In July, the average sea temperature is 22.1°C (71.8°F).
Note: A swim in 22.1°C (71.8°F) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 25°C (77°F) to 28°C (82.4°F) waters.

Daylight

The average length of the day in July in Rio de Janeiro is 10h and 53min.
On the first day of July, sunrise is at 06:34 and sunset at 17:19. On the last day of the month, sunrise is at 06:26 and sunset at 17:31 -03.

Sunshine

In Rio de Janeiro, the average sunshine in July is 8.1h.

UV index

The average daily maximum UV index in July in Rio de Janeiro is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during July leads to these advisories:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Stay cautious! Sand and water reflections increase UV radiation potency.

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Frequently asked questions

What is the coldest time of year in Rio de Janeiro?

With average high and low temperatures of 24°C (75.2°F) and 18.7°C (65.7°F) respectively, July is Rio de Janeiro's coldest month.

What is the average July temperature in Rio de Janeiro?

In Rio de Janeiro, 24°C (75.2°F) is the average high-temperature and 18.7°C (65.7°F) is the average low-temperature during July. In March, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 33°C (91.4°F).

What is the average humidity in July in Rio de Janeiro?

The average relative humidity in July in Rio de Janeiro, Brazil, is 78%.

How much does it rain in Rio de Janeiro in July?

In Rio de Janeiro, during July, the rain falls for 9.3 days and regularly aggregates up to 31mm (1.22") of precipitation.

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

In Rio de Janeiro, the average seawater temperature in July is 22.1°C (71.8°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.1°C (71.8°F).

What is the average length of the day in July in Rio de Janeiro?

In July, the average day length in Rio de Janeiro is 10h and 53min.

When is the sunrise / sunset in July in Rio de Janeiro?

On the first day of July in Rio de Janeiro, sunrise is at 06:34 and sunset at 17:19. On the last day of the month, sunrise is at 06:26 and sunset at 17:31 -03.

How long on average sun shines in July in Rio de Janeiro?

In July, the average sunshine duration in Rio de Janeiro is 8.1h.

What is the UV index intensity in July in Rio de Janeiro?

In Rio de Janeiro, Brazil, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

24.2°C 75.6°F

24°C 75.2°F

24.3°C 75.7°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10km/h 6.2mph

10.9km/h 6.8mph

12.3km/h 7.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

9.8

9.3

10.4

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

20.6

19.3

Average UV index

Average cloud cover

30%

29%

Average visibility

10km 6.2mi

Average temperature in July
Rio de Janeiro, Brazil

Average high temperature in July: 24°C

The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (24°C).

Average low temperature in July: 18.7°C

The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).

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Average pressure in July
Rio de Janeiro, Brazil

Average pressure in July: 1020.5mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).

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Average wind speed in July
Rio de Janeiro, Brazil

Average wind speed in July: 10.1km/h

The windiest months (with the highest average wind speed) are August and September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (8.7km/h).

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Average humidity in July
Rio de Janeiro, Brazil

Average humidity in July: 78%

The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (76%).

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Average rainfall in July
Rio de Janeiro, Brazil

Average rainfall in July: 31mm

The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is June (29mm).

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Average rainfall days in July
Rio de Janeiro, Brazil

Average rainfall days in July: 9.3 days

The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is July (9.3 days).

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Average sea temperature in July
Rio de Janeiro, Brazil

Average sea temperature in July: 22.1°C

The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).

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Average daylight in July /
Average sunshine in July
Rio de Janeiro, Brazil

Average daylight in July: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

Average sunshine in July: 8h and 1min

The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).

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Average sunshine days in July
Rio de Janeiro, Brazil

Average sunshine days in July: 20.6 days

The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is December (4.8 days).

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Average UV index in July
Rio de Janeiro, Brazil

Average UV index in July: 6

The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is September (UV index 5).

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Average cloud cover in July
Rio de Janeiro, Brazil

Average cloud cover in July: 30

The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 28).

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Average visibility in July
Rio de Janeiro, Brazil

Average visibility in July: 10km

The months with the highest visibility are February, May, June, July, August and September (10km).
The months with the lowest visibility are January, March, April, October, November and December (9km).

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July weather forecast
Rio de Janeiro, Brazil

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