Temperatures in August
It's hot in August in Rio Negro with an average temperature of 33°C. Temperatures this month range from a low of 29°C to a high of 36°C. At night, you can expect temperatures between 16°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Rio Negro in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Rio Negro with hot temperatures, averaging around 33°C during the day and nights close to 18°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-August
By mid-August, the average daytime temperature stays the same at 33°C, with nights close to 19°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of August
By the end of August, the average daytime temperature in Rio Negro will be around 34°C, with nights close to 20°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Discover cheap trips to Rio Negro 
Precipitation in August
In August, there is an average of 24 mm of precipitation, spread over 4 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The precipitation chance averages 12% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Rio Negro. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Rio Negro in August |
London | ||
|---|---|---|---|
 Average Temperature |
33°C | 22°C | |
 High Temp |
36°C | 24°C | |
| Low Temp |
29°C | 19°C | |
 Total Precipitation |
24 mm | 60 mm | |
| Rainy Days |
4 days | 10 days | |
July
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Rio Negro?
August is a great month to be in Rio Negro for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Rio Negro in August
With 40°C, Rio Negro hit the highest temperature in the last 10 years in August 2014. The lowest daytime temperature in this month was 12°C in 2020. The extreme night temperatures ranged from a low of 6°C to a high of 27°C.
Check out the climate of Rio Negro for all months and discover the best travel time
Curious about the climate in other parts of Brazil? Check out the weather and climate in places like Rio de Janeiro, Salvador, Pipa, or have a look at other destinations in Brazil.
Plan your next holiday
Don’t miss the best holiday deals for Rio Negro and see what our partners have for you.
Daily Temperature in August in Rio Negro
This chart shows the average daily temperatures, both day and night, for each day in August in Rio Negro, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Rio Negro
The chart below shows the average daily precipitation in August for Rio Negro, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 4 days of rain in Rio Negro.
Daily UV Index in August in Rio Negro
This chart shows the average daily UV index in August in Rio Negro, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Rio Negro Over the Years
This chart shows the average temperature in August in Rio Negro, measured in degrees Celsius, over the past years.
Total Precipitation in August in Rio Negro Over the Years
This chart shows the average precipitation in August in Rio Negro, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Rio Negro
Click on a specific day in August for detailed info on the typical weather on that day in Rio Negro. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Rio Negro
Have you been to Rio Negro in August?
Share your weather experience in August in Rio Negro.
Average Weather in Rio Negro by Month
Click on a month below to see detailed weather info for Rio Negro. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Rio Negro for all months at once
