July weather forecast
São Sebastião, Brazil

July

Weather in July

July, the same as June, in São Sebastião, Brazil, is an agreeable winter month, with an average temperature varying between 21.7°C (71.1°F) and 17.8°C (64°F).

Temperature

The months of July and August bring the lowest temperatures, averaging a high of 21.7°C (71.1°F).

Humidity

In São Sebastião, the average relative humidity in July is 81%.

Rainfall

In São Sebastião, in July, during 11.4 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 210.2 rainfall days, and 818mm (32.2") of precipitation is accumulated.

Sea temperature

In São Sebastião, Brazil, in July, the average water temperature is 21.6°C (70.9°F).
Note: For most individuals, swimming in 21.6°C (70.9°F) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 21°C (69.8°F).

Daylight

The average length of the day in July in São Sebastião is 10h and 50min.
On the first day of the month, sunrise is at 06:44 and sunset at 17:26. On the last day of July, sunrise is at 06:37 and sunset at 17:38 -03.

Sunshine

In São Sebastião, the average sunshine in July is 7.7h.

UV index

The months with the lowest UV index are April, May, July through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During July, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.

Frequently asked questions

What is the coldest time of year in São Sebastião?
The coldest period in São Sebastião, Brazil, falls in July and August, when the average high-temperature reaches 21.7°C (71.1°F).
What is the temperature in July in São Sebastião?
In July, the average high-temperature and low-temperature are 21.7°C (71.1°F) and 17.8°C (64°F) respectively. In February, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 30°C (86°F).
What is the average humidity in July in São Sebastião?
The average relative humidity in July is 81%.
How much does it rain in São Sebastião in July?
In São Sebastião, in July, during 11.4 rainfall days, 48mm (1.89") of precipitation is typically accumulated.
What is the sea temperature in July in São Sebastião?
In São Sebastião, the average seawater temperature in July is 21.6°C (70.9°F). Swimming in 21.6°C (70.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
How many hours of daylight does São Sebastião have in July?
In São Sebastião, the average day length in July is 10h and 50min.
When are sunrise and sunset in July in São Sebastião?
On the first day of July, sunrise is at 06:44 and sunset at 17:26. On the last day of the month, sunrise is at 06:37 and sunset at 17:38 -03.
How many hours of sunshine does São Sebastião have in July?
In July, the average sunshine duration is 7.7h.
What is the month with the lowest UV index in São Sebastião?
The months with the lowest UV index are April, May, July through September, with an average maximum UV index of 5.
What is the UV index intensity in July in São Sebastião?
The average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in July - São Sebastião, Brazil
Average temperature in July
São Sebastião, Brazil
  • Average high temperature in July: 21.7°C

The warmest month (with the highest average high temperature) is February (27°C).
The months with the lowest average high temperature are July and August (21.7°C).

  • Average low temperature in July: 17.8°C

The month with the highest average low temperature is February (23.3°C).
The coldest months (with the lowest average low temperature) are July and August (17.8°C).

Average pressure in July - São Sebastião, Brazil
Average pressure in July
São Sebastião, Brazil
  • Average pressure in July: 1020.1mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).

Average wind speed in July - São Sebastião, Brazil
Average wind speed in July
São Sebastião, Brazil
  • Average wind speed in July: 13.1km/h

The windiest months (with the highest average wind speed) are August and September (13.8km/h).
The calmest months (with the lowest average wind speed) are January and February (11.2km/h).

Average humidity in July - São Sebastião, Brazil
Average humidity in July
São Sebastião, Brazil
  • Average humidity in July: 81%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (80%).

Average rainfall in July - São Sebastião, Brazil
Average rainfall in July
São Sebastião, Brazil
  • Average rainfall in July: 48mm

The wettest month (with the highest rainfall) is February (133mm).
The driest month (with the least rainfall) is August (37mm).

Average rainfall days in July - São Sebastião, Brazil
Average rainfall days in July
São Sebastião, Brazil
  • Average rainfall days in July: 11.4 days

The month with the highest number of rainy days is January (24.1 days).
The month with the least rainy days is August (10.8 days).

Average sea temperature in July - São Sebastião, Brazil
Average sea temperature in July
São Sebastião, Brazil
  • Average sea temperature in July: 21.6°C

The best month for swimming (with the highest average sea temperature) is February (26.5°C).
The coldest month (with the lowest average sea temperature) is September (21.2°C).

Average daylight in July / Average sunshine in July - São Sebastião, Brazil
Average daylight in July /
Average sunshine in July
São Sebastião, Brazil
  • Average daylight in July: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in July: 7h and 4min

The months with the most sunshine are February and May (Average sunshine: 8h and 6min).
The months with the least sunshine are October and November (Average sunshine: 7h and 0min).

Average sunshine days in July - São Sebastião, Brazil
Average sunshine days in July
São Sebastião, Brazil
  • Average sunshine days in July: 16.4 days

The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is January (4.5 days).

Average UV index in July - São Sebastião, Brazil
Average UV index in July
São Sebastião, Brazil
  • Average UV index in July: 5

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are April, May, July, August and September (UV index 5).

Average cloud cover in July - São Sebastião, Brazil
Average cloud cover in July
São Sebastião, Brazil
  • Average cloud cover in July: 34

The month with the most cloud cover is November (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 34).

Average visibility in July - São Sebastião, Brazil
Average visibility in July
São Sebastião, Brazil
  • Average visibility in July: 10km

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

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