Temperatures in May
It's hot in May in Rio Negro with an average temperature of 30°C. Temperatures this month range from a low of 26°C to a high of 33°C. At night, you can expect temperatures between 17°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Rio Negro in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Rio Negro with hot temperatures, averaging around 32°C during the day and nights close to 21°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature drops to around 30°C, with nights close to 19°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of May
By the end of May, the average daytime temperature in Rio Negro will be around 29°C, with nights close to 19°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in May
In May, there is an average of 90 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance is 26% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Rio Negro. 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.
Rio Negro in May |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 18°C | |
 High Temp |
33°C | 21°C | |
| Low Temp |
26°C | 15°C | |
 Total Precipitation |
90 mm | 46 mm | |
| Rainy Days |
8 days | 8 days | |
April
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 May a good time to visit Rio Negro?
May is a great month to be in Rio Negro for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Rio Negro in May
With 37°C, Rio Negro hit the highest temperature in the last 10 years in May 2022. The lowest daytime temperature in this month was 16°C in 2014. The extreme night temperatures ranged from a low of 7°C to a high of 25°C.
Check out the climate of Rio Negro 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 May in Rio Negro
This chart shows the average daily temperatures, both day and night, for each day in May in Rio Negro, 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 May in Rio Negro
The chart below shows the average daily precipitation in May for Rio Negro, 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 May, you can expect around 8 days of rain in Rio Negro.
Daily UV Index in May in Rio Negro
This chart shows the average daily UV index in May 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 May in Rio Negro Over the Years
This chart shows the average temperature in May in Rio Negro, measured in degrees Celsius, over the past years.
Total Precipitation in May in Rio Negro Over the Years
This chart shows the average precipitation in May in Rio Negro, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Rio Negro
Click on a specific day in May for detailed info on the typical 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 May 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
