Temperatures in August
It's warm in August in Niterói with an average temperature of 26°C. Temperatures this month range from a low of 24°C to a high of 28°C. At night, you can expect temperatures between 18°C and 20°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Niterói 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 Niterói with hot temperatures, averaging around 27°C during the day and nights close to 19°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 drops to around 26°C, with nights close to 20°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 Niterói will be around 27°C, with nights close to 19°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in August
In August, there is an average of 28 mm of precipitation, spread over 4 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The precipitation chance averages 14% 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 Niterói. 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.
Niterói in August |
London | ||
|---|---|---|---|
 Average Temperature |
26°C | 22°C | |
 High Temp |
28°C | 24°C | |
| Low Temp |
24°C | 19°C | |
 Total Precipitation |
28 mm | 60 mm | |
| Rainy Days |
4 days | 10 days | |
July
UV index
The UV index is a maximum of 8 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 Niterói?
Want nice weather? Then August is a great time to be in Niterói. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Niterói in August
With 37°C, Niterói hit the highest temperature in the last 10 years in August 2023. The lowest daytime temperature in this month was 17°C in 2014. The extreme night temperatures ranged from a low of 13°C to a high of 25°C.
Check out the climate of Niterói 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.
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Daily Temperature in August in Niterói
This chart shows the average daily temperatures, both day and night, for each day in August in Niterói, 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 Niterói
The chart below shows the average daily precipitation in August for Niterói, 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 Niterói.
Daily UV Index in August in Niterói
This chart shows the average daily UV index in August in Niterói, 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 Niterói Over the Years
This chart shows the average temperature in August in Niterói, measured in degrees Celsius, over the past years.
Total Precipitation in August in Niterói Over the Years
This chart shows the average precipitation in August in Niterói, 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 Niterói
Click on a specific day in August for detailed info on the typical weather on that day in Niterói. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Niterói
Have you been to Niterói in August?
Share your weather experience in August in Niterói.
Average Weather in Niterói by Month
Click on a month below to see detailed weather info for Niterói. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
