August weather forecast
Guarujá, Brazil

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August

Weather in August

As August emerges in Guarujá, a slight revival in the weather is noticed, featuring higher sea and ambient temperatures. Cloud cover decreases further, resulting in greater solar exposure. The shifts in weather elements start to set the stage for spring, with an increase in daylight hours. Typical of August, the wind picks up speed yet continues to maintain a gentle and pleasant presence. The transition phase towards the warmer months results in an agreeable blend of climatic conditions.

Temperature

The transition into August in Guarujá notes an average high-temperature of a still pleasant 22°C (71.6°F), revealing a mild distinction from the 21.9°C (71.4°F) in July. August nights in Guarujá, Brazil, document an average temperature reading of 18.3°C (64.9°F).

Humidity

May, July and August, with an average relative humidity of 78%, are the least humid months.

Rainfall

August is the month with the least rainfall. Rain falls for 11 days and accumulates 46mm (1.81") of precipitation.

Sea temperature

In Guarujá, in August, the average water temperature is 21.2°C (70.2°F).
Note: The enjoyment of swimming decreases for most when the surface water temperature is 21.2°C (70.2°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).

Daylight

The average length of the day in August is 11h and 19min.
On the first day of August, sunrise is at 06:40 and sunset at 17:42. On the last day of the month, sunrise is at 06:16 and sunset at 17:54 -03.

Sunshine

In August, the average sunshine in Guarujá is 7.5h.

UV index

July through September, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Guarujá in August?
The average high-temperature and low-temperature in Guarujá during August are 22°C (71.6°F) and 18.3°C (64.9°F) respectively. In February, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 31°C (87.8°F).
What are the least humid months in Guarujá?
May, July and August, with an average relative humidity of 78%, are the least humid months.
What is the average humidity in August in Guarujá?
In August, the average relative humidity in Guarujá, Brazil, is 78%.
What is the driest month in Guarujá?
The month with the least rainfall is August, when the rain falls for 11 days and typically collects 46mm (1.81") of precipitation.
How much does it rain in Guarujá in August?
In Guarujá, in August, it is raining for 11 days, with typically 46mm (1.81") of accumulated precipitation.
How cold is the water in August in Guarujá?
In Guarujá, the average seawater temperature in August is 21.2°C (70.2°F). For swimming, a surface water temperature of 21.2°C (70.2°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the average length of the day in August in Guarujá?
In Guarujá, the average day length in August is 11h and 19min.
When are sunrise and sunset in August in Guarujá?
In August, on the first day of the month, sunrise is at 06:40 and sunset at 17:42. On the last day of the month, sunrise is at 06:16 and sunset at 17:54 -03.
How many hours of sunshine does Guarujá have in August?
In August, the average sunshine duration is 7.5h.
What is the month with the lowest UV index in Guarujá?
The months with the lowest UV index in Guarujá, Brazil, are July through September, with an average maximum UV index of 5.
What is the UV index reading in August in Guarujá?
In August, the average daily maximum UV index in Guarujá is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJAugustSOND
Jul
August
Sep
Average high temperature
21.9°C
22°C
22.5°C
Average low temperature
18.3°C
18.3°C
19.2°C
Average pressure
1020.1mbar
1019.6mbar
1017.3mbar
Average wind speed
12.6km/h
12.9km/h
13.3km/h
Average max. wind speed
13.6km/h
14km/h
14.1km/h
Average wind speed gusts
19.8km/h
20.1km/h
20.3km/h
Average humidity
78%
78%
81%
Average rainfall
63mm
46mm
60mm
Average rainfall days
11.4
11
15
Average sea temperature
20.9°C
21.2°C
20.7°C
Average daylight
10h 5min
11h 2min
12h 0min
Average sunshine
7h 4min
7h 3min
7h 2min
Average sunshine days
17.5
17.8
12.1
Average UV index
5
5
5
Average cloud cover
33%
32%
40%
Average visibility
10km
10km
10km
Average temperature in August
Guarujá, Brazil
  • Average high temperature in August: 22°C

The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (21.9°C).

  • Average low temperature in August: 18.3°C

The month with the highest average low temperature is February (24.6°C).
The coldest months (with the lowest average low temperature) are July and August (18.3°C).

Average pressure in August
Guarujá, Brazil
  • Average pressure in August: 1019.6mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).

Average wind speed in August
Guarujá, Brazil
  • Average wind speed in August: 12.9km/h

The windiest month (with the highest average wind speed) is November (13.6km/h).
The calmest month (with the lowest average wind speed) is February (11.5km/h).

Average humidity in August
Guarujá, Brazil
  • Average humidity in August: 78%

The months with the highest relative humidity are October and November (83%).
The months with the lowest relative humidity are May, July and August (78%).

Average rainfall in August
Guarujá, Brazil
  • Average rainfall in August: 46mm

The wettest month (with the highest rainfall) is February (127mm).
The driest month (with the least rainfall) is August (46mm).

Average rainfall days in August
Guarujá, Brazil
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is January (21.8 days).
The month with the least rainy days is August (11 days).

Average sea temperature in August
Guarujá, Brazil
  • Average sea temperature in August: 21.2°C

The best month for swimming (with the highest average sea temperature) is February (27°C).
The coldest month (with the lowest average sea temperature) is September (20.7°C).

Average daylight in August /
Average sunshine in August
Guarujá, 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 3min

The month with the most sunshine is February (Average sunshine: 8h and 18min).
The months with the least sunshine are October and November (Average sunshine: 7h and 6min).

Average sunshine days in August
Guarujá, Brazil
  • Average sunshine days in August: 17.8 days

The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is January (6.8 days).

Average UV index in August
Guarujá, Brazil
  • Average UV index in August: 5

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

Average cloud cover in August
Guarujá, Brazil
  • Average cloud cover in August: 32

The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are May and August (Cloud cover 32).

Average visibility in August
Guarujá, Brazil
  • Average visibility in August: 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).

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