The weather in May in Río

It's pleasantly warm in May in Río with an average temperature of 22°C. Temperatures this month range from a low of 20°C to a high of 23°C. At night, you can expect temperatures between 6°C and 8°C.

Looking for great weather? May is a good time to be in Río. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Río, Peru. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 27°C in 2020, Río reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 11°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 13°C.

Rainfall amount

In May, there is an average of 64 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in May for Río

Click on any day in May to get detailed info about the usual weather on that day in Río. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Río New York
Average temperature 22°C 22°C
Max. temperature 23°C 28°C
Min. temperature 6°C -5°C
Total precipitation 64 mm 105 mm
Rainy days 8 days 14 days

Start of May

The month of May starts in Río with warm temps, averaging around 23°C during the day and nights around 8°C.

Mid May

By mid-May, daytime temps stay steady at around 23°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of May

By the end of May, the average daytime temperature in Río is around 22°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.

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.

Check out the climate of Río for all months and discover the best travel time

Curious about the weather in other parts of Peru? Check out the climate and weather for spots like Lima, Cusco, Machu Picchu, or explore other destinations in Peru.

Temperature charts

These charts show the average temperatures in May in Río, Peru. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Río

Temperature in May in Río over the years

Precipitation charts

These charts show the average amount of precipitation in May in Río, Peru. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Río

Total precipitation in May in Río over the years

Daily UV index in May in Río

This chart shows the average daily UV index in May in Río, 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.

Weather experiences in May in Río

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Average weather in Río by month

Click on a month below to see detailed weather info for Río. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.