Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
During July and August, São Sebastião experiences its coldest period, with an average high-temperature of 21.7°C (71.1°F).Humidity
With an average relative humidity of 80%, August is the least humid month in São Sebastião.Rainfall
The month with the least rainfall in São Sebastião is August, when the rain falls for 10.8 days and typically collects 37mm (1.46") of precipitation.Sea temperature
In São Sebastião, the average seawater temperature in August is 21.8°C (71.2°F).Note: Most people find it challenging to enjoy swimming in water that is 21.8°C (71.2°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.
Daylight
In August, the average length of the day is 11h and 19min.On the first day of the month, sunrise is at 06:36 and sunset at 17:39. On the last day of August, sunrise is at 06:12 and sunset at 17:50 -03.
Sunshine
The average sunshine in August in São Sebastião is 7.6h.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 estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in São Sebastião?
What is the average August temperature in São Sebastião?
What is the least humid month in São Sebastião?
What is the average humidity in August in São Sebastião?
What is the driest month in São Sebastião?
How much does it rain in São Sebastião in August?
What is the sea temperature in August in São Sebastião?
How many hours of daylight does São Sebastião have in August?
When is the sunrise / sunset in August in São Sebastião?
How long on average sun shines in August in São Sebastião?
What is the month with the lowest UV index in São Sebastião?
What is the UV index intensity in August in São Sebastião?
Average temperature in August
São Sebastião, Brazil
- Average high temperature in August: 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 August: 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 August
São Sebastião, Brazil
- Average pressure in August: 1019.7mbar
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 August
São Sebastião, Brazil
- Average wind speed in August: 13.8km/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 August
São Sebastião, Brazil
- Average humidity in August: 80%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (80%).
Average rainfall in August
São Sebastião, Brazil
- Average rainfall in August: 37mm
The wettest month (with the highest rainfall) is February (133mm).
The driest month (with the least rainfall) is August (37mm).
Average rainfall days in August
São Sebastião, Brazil
- Average rainfall days in August: 10.8 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 August
São Sebastião, Brazil
- Average sea temperature in August: 21.8°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 August /
Average sunshine in August
São Sebastião, Brazil
- Average daylight in August: 11h and 2min
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 August: 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 August
São Sebastião, Brazil
- Average sunshine days in August: 17.4 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 August
São Sebastião, Brazil
- Average UV index in August: 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 August
São Sebastião, Brazil
- Average cloud cover in August: 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 August
São Sebastião, Brazil
- Average visibility in August: 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).
