August weather forecastPiau, Brazil

August

Weather in August

August, the last month of the winter in Piau, is a warm month, with an average temperature fluctuating between 23.1°C (73.6°F) and 12.3°C (54.1°F).

Temperature

August notes an average high-temperature of a warm 23.1°C (73.6°F), subtly differing from July's 21.5°C (70.7°F). Nighttime temperature dips to a mean of 12.3°C (54.1°F) during August.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In Piau, during August, the rain falls for 9.3 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, there are 235.4 rainfall days, and 1316mm (51.81") of precipitation is accumulated.

Daylight

The average length of the day in August is 11h and 24min.
On the first day of the month, sunrise is at 06:24 and sunset at 17:34. On the last day of August, in Piau, sunrise is at 06:02 and sunset at 17:43 -03.

Sunshine

August and September, with an average of 8h of sunshine, are months with the most sunshine in Piau, Brazil.

UV index

The months with the highest UV index in Piau are January through December, with an average maximum UV index of 5. The months with the lowest UV index in Piau are January through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In August, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Piau, in August, the average high-temperature is 23.1°C (73.6°F), and the average low-temperature is 12.3°C (54.1°F).

The average relative humidity in August in Piau is 78%.

In Piau, during August, the rain falls for 9.3 days and regularly aggregates up to 16mm (0.63") of precipitation.

The average day length in August is 11h and 24min.

In August, on the first day of the month, sunrise is at 06:24 and sunset at 17:34. On the last day of the month, in Piau, sunrise is at 06:02 and sunset at 17:43 -03.

August and September, with an average of 8h of sunshine, are months with the most sunshine in Piau, Brazil.

The average sunshine duration in August in Piau is 8h.

January through December, with an average maximum UV index of 5, are months with the highest UV index in Piau.

January through December, with an average maximum UV index of 5, are months with the lowest UV index in Piau, Brazil.

The average daily maximum UV index in August in Piau, Brazil, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Jul

August

Sep

Average high temperature

21.5°C

23.1°C

25.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.8km/h

8.6km/h

8.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

17.3

18.6

13.6

Average UV index

Average cloud cover

Average visibility

Average temperature in August
Piau, Brazil

Average high temperature in August: 23.1°C

The warmest month (with the highest average high temperature) is February (25.6°C).
The month with the lowest average high temperature is June (20.9°C).

Average low temperature in August: 12.3°C

The months with the highest average low temperature are January and December (17.6°C).
The coldest month (with the lowest average low temperature) is July (12°C).

Average pressure in August
Piau, Brazil

Average pressure in August: 1020.4mbar

The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).

Average wind speed in August
Piau, Brazil

Average wind speed in August: 7.9km/h

The windiest month (with the highest average wind speed) is September (8.3km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).

Average humidity in August
Piau, Brazil

Average humidity in August: 78%

The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is September (76%).

Average rainfall in August
Piau, Brazil

Average rainfall in August: 16mm

The wettest month (with the highest rainfall) is December (251mm).
The driest month (with the least rainfall) is July (14mm).

Average rainfall days in August
Piau, Brazil

Average rainfall days in August: 9.3 days

The month with the highest number of rainy days is December (29.1 days).
The month with the least rainy days is August (9.3 days).

Average daylight in August /
Average sunshine in August
Piau, Brazil

Average daylight in August: 11h and 24min

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 August: 8h and 0min

The months with the most sunshine are August and September (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).

Average sunshine days in August
Piau, Brazil

Average sunshine days in August: 18.6 days

The month with the most sunshine days is August (18.6 days).
The month with the least sunshine days is December (1.2 days).

Average UV index in August
Piau, Brazil

Average UV index in August: 5

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).