Temperatures in January
It's hot in January in Petrópolis with an average temperature of 31°C. Temperatures this month range from a low of 29°C to a high of 33°C. At night, you can expect temperatures between 22°C and 23°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Petrópolis in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Petrópolis with hot temperatures, averaging around 31°C during the day and nights close to 23°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-January
By mid-January, the average daytime temperature stays the same at 31°C, with nights close to 23°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of January
By the end of January, the average daytime temperature in Petrópolis will be around 32°C, with nights close to 23°C. A shower might show up, but overall the weather will be dry and sunny. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in January
In January, there is an average of 121 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 23% 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 January for Petrópolis. 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.
Petrópolis in January |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 8°C | |
 High Temp |
33°C | 9°C | |
| Low Temp |
29°C | 6°C | |
 Total Precipitation |
121 mm | 58 mm | |
| Rainy Days |
7 days | 9 days | |
December
UV index
The UV index is a maximum of 10 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 January a good time to visit Petrópolis?
After some sun? Then January isn’t the best time to be in Petrópolis. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Petrópolis in January
With 38°C, Petrópolis hit the highest temperature in the last 10 years in January 2015. The lowest daytime temperature in this month was 21°C in 2018. The extreme night temperatures ranged from a low of 13°C to a high of 28°C.
Check out the climate of Petrópolis 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 January in Petrópolis
This chart shows the average daily temperatures, both day and night, for each day in January in Petrópolis, 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 January in Petrópolis
The chart below shows the average daily precipitation in January for Petrópolis, 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 January, you can expect around 7 days of rain in Petrópolis.
Daily UV Index in January in Petrópolis
This chart shows the average daily UV index in January in Petrópolis, 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 January in Petrópolis Over the Years
This chart shows the average temperature in January in Petrópolis, measured in degrees Celsius, over the past years.
Total Precipitation in January in Petrópolis Over the Years
This chart shows the average precipitation in January in Petrópolis, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in January for Petrópolis
Click on a specific day in January for detailed info on the typical weather on that day in Petrópolis. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Petrópolis
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Average Weather in Petrópolis by Month
Click on a month below to see detailed weather info for Petrópolis. 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 Petrópolis for all months at once
