August weather forecastRialma, Brazil
August
Weather in August
The last month of the winter, August, is a tropical month in Rialma, Brazil, with an average temperature varying between 31.7°C (89.1°F) and 17.8°C (64°F).Temperature
The transition into August reveals an average high-temperature of a tropical 31.7°C (89.1°F), mirroring a close resemblance to July. Rialma reports a significant contrast between daytime and nighttime temperatures, with an average low of 17.8°C (64°F) in August.Heat index
The heat index for August is evaluated at a tropical 32°C (89.6°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.The standards for the heat index are set for locations in shade and under light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Rialma, the average relative humidity in August is 41%.Rainfall
In Rialma, during August, the rain falls for 1.3 days and regularly aggregates up to 2mm (0.08") of precipitation. In Rialma, during the entire year, the rain falls for 219.6 days and collects up to 1537mm (60.51") of precipitation.Daylight
The average length of the day in August in Rialma is 11h and 37min.On the first day of August in Rialma, sunrise is at 06:41 and sunset at 18:08. On the last day of the month, sunrise is at 06:24 and sunset at 18:12 -03.
Sunshine
The months with the most sunshine are July and August, with an average of 9.9h of sunshine.UV index
The months with the highest UV index in Rialma are August and September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 7 during August leads to these advisories:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rialma, Brazil
- Average high temperature in August: 31.7°C
The warmest month (with the highest average high temperature) is September (33.5°C).
The month with the lowest average high temperature is January (27°C).
- Average low temperature in August: 17.8°C
The month with the highest average low temperature is October (21°C).
The coldest month (with the lowest average low temperature) is July (16.1°C).
Average pressure in August
Rialma, Brazil
- Average pressure in August: 1015.7mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in August
Rialma, Brazil
- Average wind speed in August: 8.3km/h
The windiest month (with the highest average wind speed) is August (8.3km/h).
The calmest month (with the lowest average wind speed) is March (5.2km/h).
Average humidity in August
Rialma, Brazil
- Average humidity in August: 41%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (40%).
Average rainfall in August
Rialma, Brazil
- Average rainfall in August: 2mm
The wettest month (with the highest rainfall) is November (266mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in August
Rialma, Brazil
- Average rainfall days in August: 1.3 days
The months with the highest number of rainy days are January and December (29.3 days).
The month with the least rainy days is August (1.3 days).
Average daylight in August /
Average sunshine in August
Rialma, Brazil
- Average daylight in August: 11h and 36min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in August: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in August
Rialma, Brazil
- Average sunshine days in August: 29 days
The month with the most sunshine days is August (29 days).
The months with the least sunshine days are February and November (0.7 days).
Average UV index in August
Rialma, Brazil
- Average UV index in August: 7
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are February and December (UV index 5).
Average cloud cover in August
Rialma, Brazil
- Average cloud cover in August: 11
The month with the most cloud cover is December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in August
Rialma, Brazil
- Average visibility in August: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (7km).





