BrazilAverage weather for Rio Negro in January
It's hot in January in Rio Negro with an average temperature of 34°C. Temperatures this month range from a low of 32°C to a high of 35°C. At night, you can expect temperatures between 24°C and 25°C.
Start of January
The month of January starts in Rio Negro with hot temps, averaging around 34°C during the day and nights around 25°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid January
By mid-January, daytime temps stay steady at around 34°C, with nights around 25°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of January
By the end of January, the average daytime temperature in Rio Negro is around 34°C, while nighttime temps are about 25°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In January, there is an average of 157 mm of precipitation, spread over 20 days. The wind speed is around 3 Bft, mostly coming from the South.
Rio Negro in January |
New York | ||
|---|---|---|---|
 Average temperature |
34°C | 5°C | |
 Max. temperature |
35°C | 11°C | |
| Min. temperature |
32°C | -5°C | |
 Total precipitation |
157 mm | 97 mm | |
| Rainy days |
20 days | 12 days | |
December
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 January a good time to visit Rio Negro?
Looking for sun? January isn’t a good month to be in Rio Negro. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 40°C in 2022, Rio Negro reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 25°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 28°C.
Check out the climate of Rio Negro for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Daily Temperature in January in Rio Negro
This chart shows the average daily high and low temperatures in January for Rio Negro, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Rio Negro
The chart below shows the average daily precipitation in January for Rio Negro, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 20 days of precipitation in Rio Negro.
Daily UV index in January in Rio Negro
This chart shows the average daily UV index in January 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 January in Rio Negro over the years
This chart shows the average temperature in January in Rio Negro, measured in degrees Celsius, over the past few years.
Total precipitation in January in Rio Negro over the years
This chart shows the average precipitation in January in Rio Negro, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Rio Negro
Click on any day in January to get detailed info about the usual 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 January in Rio Negro
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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
