Temperatures in January
It's hot in January in Río de Janeiro 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 21°C and 23°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Río de Janeiro 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 Río de Janeiro with hot temperatures, averaging around 31°C during the day and nights close to 23°C. Plenty of days with a chance of precipitation.
Mid-January
By mid-January, the average daytime temperature stays the same at 31°C, with nights close to 23°C. The chance of precipitation is high during this period.
End of January
By the end of January, the average daytime temperature in Río de Janeiro will be around 31°C, with nights close to 23°C. There’s a significant chance of many days with precipitation.
Precipitation in January
In January, there is an average of 324 mm of precipitation, spread over 27 days. The wind speed is around 2 Bft, mostly coming from the Southeast.
With an average precipitation chance of 87% this month, rainy days are almost inevitable.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Río de Janeiro. 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.
Río de Janeiro in January |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 8°C | |
 High Temp |
32°C | 9°C | |
| Low Temp |
28°C | 6°C | |
 Total Precipitation |
324 mm | 58 mm | |
| Rainy Days |
27 days | 9 days | |
December
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 January a good time to visit Río de Janeiro?
After some sun? Then January isn’t the best time to be in Río de Janeiro. The temperature is pleasant, but there’s too much chance of rain this month.
Check out the climate of Río de Janeiro for all months and discover the best travel time
Curious about the climate in other parts of Peru? Check out the weather and climate in places like Lima, Cusco, Machu Picchu, or have a look at other destinations in Peru.
Daily Temperature in January in Río de Janeiro
This chart shows the average daily temperatures, both day and night, for each day in January in Río de Janeiro, 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 Río de Janeiro
The chart below shows the average daily precipitation in January for Río de Janeiro, 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 27 days of rain in Río de Janeiro.
Daily UV Index in January in Río de Janeiro
This chart shows the average daily UV index in January in Río de Janeiro, 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 Río de Janeiro Over the Years
This chart shows the average temperature in January in Río de Janeiro, measured in degrees Celsius, over the past years.
Total Precipitation in January in Río de Janeiro Over the Years
This chart shows the average precipitation in January in Río de Janeiro, 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 Río de Janeiro
Click on a specific day in January for detailed info on the typical weather on that day in Río de Janeiro. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Río de Janeiro
Have you been to Río de Janeiro in January?
Share your weather experience in January in Río de Janeiro.
Average Weather in Río de Janeiro by Month
Click on a month below to see detailed weather info for Río de Janeiro. 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 Río de Janeiro for all months at once
