July weather forecast
São João da Barra, Brazil

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Weather in July

July, the same as June, is another warm winter month in São João da Barra, Brazil, with an average temperature varying between 24.3°C (75.7°F) and 20°C (68°F).

Temperature

July brings a marginal elevation to a still warm 24.3°C (75.7°F) from June's 24.6°C (76.3°F) in São João da Barra's average high-temperatures. São João da Barra documents an average low-temperature of 20°C (68°F) for the nights of July.

Humidity

The average relative humidity in July is 78%.

Rainfall

July is the month with the least rainfall in São João da Barra. Rain falls for 10.5 days and accumulates 21mm (0.83") of precipitation.

Daylight

In July, the average length of the day in São João da Barra is 10h and 58min.
On the first day of July in São João da Barra, sunrise is at 06:23 and sunset at 17:13. On the last day of the month, sunrise is at 06:16 and sunset at 17:24 -03.

Sunshine

In July, the average sunshine in São João da Barra, Brazil, is 8.2h.

UV index

March through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 2, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are July temperatures in São João da Barra?

July temperatures in São João da Barra vary between a high-temperature of 24.3°C (75.7°F) and a low-temperature of 20°C (68°F). In March, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 33°C (91.4°F).

What is the average humidity in July in São João da Barra?

The average relative humidity in July in São João da Barra, Brazil, is 78%.

What is the driest month in São João da Barra?

The month with the least rainfall in São João da Barra is July, when the rain falls for 10.5 days and typically collects 21mm (0.83") of precipitation.

How much does it rain in São João da Barra in July?

In July, the rain falls for 10.5 days. Throughout July, 21mm (0.83") of precipitation is accumulated.

What is the average length of the day in July in São João da Barra?

In July, the average day length in São João da Barra is 10h and 58min.

What time are sunrise and sunset in July in São João da Barra?

On the first day of July, sunrise is at 06:23 and sunset at 17:13. On the last day of the month, sunrise is at 06:16 and sunset at 17:24 -03.

How many hours of sunshine does São João da Barra have in July?

In São João da Barra, Brazil, the average sunshine duration in July is 8.2h.

What are the months with the lowest UV index in São João da Barra?

March through December, with an average maximum UV index of 6, are months with the lowest UV index.

How high is the UV index in July in São João da Barra?

In July, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in July
São João da Barra, Brazil

Average temperature in July - São João da Barra, Brazil
  • Average high temperature in July: 24.3°C

The warmest month (with the highest average high temperature) is February (28.9°C).
The month with the lowest average high temperature is August (23.9°C).

  • Average low temperature in July: 20°C

The month with the highest average low temperature is February (24.1°C).
The coldest months (with the lowest average low temperature) are July and August (20°C).

Average pressure in July
São João da Barra, Brazil

Average pressure in July - São João da Barra, Brazil
  • Average pressure in July: 1020.8mbar

The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is December (1012.4mbar).

Average wind speed in July
São João da Barra, Brazil

Average wind speed in July - São João da Barra, Brazil
  • Average wind speed in July: 15.1km/h

The windiest month (with the highest average wind speed) is September (19.6km/h).
The calmest month (with the lowest average wind speed) is April (12.6km/h).

Average humidity in July
São João da Barra, Brazil

Average humidity in July - São João da Barra, Brazil
  • Average humidity in July: 78%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is August (76%).

Average rainfall in July
São João da Barra, Brazil

Average rainfall in July - São João da Barra, Brazil
  • Average rainfall in July: 21mm

The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is July (21mm).

Average rainfall days in July
São João da Barra, Brazil

Average rainfall days in July - São João da Barra, Brazil
  • Average rainfall days in July: 10.5 days

The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is June (10.1 days).

Average daylight in July /
Average sunshine in July
São João da Barra, Brazil

Average daylight in July / Average sunshine in July - São João da Barra, Brazil
  • Average daylight in July: 11h and 0min

The month with the longest days is December (Average daylight: 13h and 24min).
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: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).

Average sunshine days in July
São João da Barra, Brazil

Average sunshine days in July - São João da Barra, Brazil
  • Average sunshine days in July: 18.1 days

The month with the most sunshine days is July (18.1 days).
The month with the least sunshine days is November (8.8 days).

Average UV index in July
São João da Barra, Brazil

Average UV index in July - São João da Barra, Brazil
  • Average UV index in July: 6

The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 6).

Average cloud cover in July
São João da Barra, Brazil

Average cloud cover in July - São João da Barra, Brazil
  • Average cloud cover in July: 29

The month with the most cloud cover is November (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 27).

Average visibility in July
São João da Barra, Brazil

Average visibility in July - São João da Barra, Brazil
  • Average visibility in July: 10km

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

São João da Barra, Brazil

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