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 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
Stepping into August, Rianápolis records an average high-temperature of a hot 31.7°C (89.1°F), almost consistent with July. Rianápolis experiences a significant reduction from daytime highs with an average low-temperature of 17.8°C (64°F) in August.Heat index
The heat index value for August is appraised at a tropical 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In Rianápolis, the average relative humidity in August is 41%.Rainfall
In Rianápolis, during August, the rain falls for 1.3 days and regularly aggregates up to 2mm (0.08") of precipitation. Throughout the year, in Rianápolis, Brazil, there are 219.6 rainfall days, and 1537mm (60.51") of precipitation is accumulated.Daylight
The average length of the day in August is 11h and 37min.On the first day of August in Rianápolis, sunrise is at 06:40 and sunset at 18:07. On the last day of the month, sunrise is at 06:23 and sunset at 18:12 -03.
Sunshine
July and August, with an average of 9.9h of sunshine, are months with the most sunshine in Rianápolis.UV index
The months with the highest UV index in Rianápolis are August and September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 7 during August translates into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Rianápolis in August?
What is the average humidity in August in Rianápolis?
How many days does it rain in August in Rianápolis?
What is the average length of the day in August in Rianápolis?
When is the sunrise / sunset in August in Rianápolis?
What are the months with the most sunshine in Rianápolis?
How many hours of sunshine does Rianápolis have in August?
What is the month with the highest UV index in Rianápolis?
How high is the UV index in August in Rianápolis?
Average temperature in August
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, Brazil
- Average daylight in August: 11h and 4min
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 5min
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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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).
