Temperatures in December
It's hot in December in Niterói with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 22°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Niterói in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Niterói with hot temperatures, averaging around 29°C during the day and nights close to 23°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-December
By mid-December, the average daytime temperature rises to around 31°C, with nights close to 24°C. There might be a few showers during this period, but plenty of dry days with sunshine too. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of December
By the end of December, the average daytime temperature in Niterói will be around 31°C, with nights close to 25°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in December
In December, there is an average of 78 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 22% 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 December 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 December |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 9°C | |
 High Temp |
32°C | 11°C | |
| Low Temp |
28°C | 8°C | |
 Total Precipitation |
78 mm | 67 mm | |
| Rainy Days |
7 days | 10 days | |
November
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 December a good time to visit Niterói?
December is a great month to be in Niterói for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Niterói in December
With 40°C, Niterói hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was 22°C in 2022. The extreme night temperatures ranged from a low of 17°C to a high of 28°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 December in Niterói
This chart shows the average daily temperatures, both day and night, for each day in December 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 December in Niterói
The chart below shows the average daily precipitation in December 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 December, you can expect around 7 days of rain in Niterói.
Daily UV Index in December in Niterói
This chart shows the average daily UV index in December 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 December in Niterói Over the Years
This chart shows the average temperature in December in Niterói, measured in degrees Celsius, over the past years.
Total Precipitation in December in Niterói Over the Years
This chart shows the average precipitation in December 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 December for Niterói
Click on a specific day in December 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 December in Niterói
Have you been to Niterói in December?
Share your weather experience in December 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.
