Measurements:
°C
°F
Rio de Janeiro
70°F
SW 2 mph
Feels like: 70°F
Precip: 0%
World Resorts Brazil Rio de Janeiro Weather May Weather in Rio de Janeiro

Rio de Janeiro Weather: May

Average Day Temperature: 84.2°F
Average Night Temperature: 71.2°F
Sea Water Temperature: 77.2°F
Number of Sunny Days: 19 days
Sunshine Hours: 10.8 - 11.3 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.5 in

Air Temperature in May, °F

Select Year: 2023 2022 2021

The highest day temperature in May 2023 was 91°F. The lowest night temperature was 64°F. The average values for day and night temperatures during May were 82.4°F и 70.2°F respectivly.

Rio de Janeiro Water Sea Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Rio de Janeiro was 77.4°F. The maximum and minimum values were 75.6°F and 79.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Rio de Janeiro is 2.5 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 6.0 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rio de Janeiro in May is 7.7 hours.

Best Time to Visit Rio de Janeiro
The most sunny months:
July 21 days
August 19 days
May 19 days
The most warm months:
February 93.0 °F
January 92.0 °F
March 91.1 °F
Warmest sea temperature:
February 83.0 °F
January 82.7 °F
March 82.3 °F
The most cold months:
August 82.9 °F
June 83.1 °F
September 83.9 °F
The most rainy months:
November 10 days
December 9 days
January 8 days
The most windy months:
October 7 mph
September 7 mph
November 7 mph

Rio de Janeiro on the Weather Map

24 Hours Weather Forecast
Rio de Janeiro
Local time: 01:56
20 apr, saturday
0300 70°F
SW
2 mph
0600 68°F
S
4 mph
0900 74°F
SW
2 mph
1200 80°F
NW
6 mph
1500 80°F
NW
9 mph
1800 76°F
W
7 mph
2100 74°F
W
6 mph
21 apr, sunday
0000 72°F
SW
5 mph