The weather in May in Rio das Ostras

It's warm in May in Rio das Ostras with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 30°C. At night, you can expect temperatures between 18°C and 21°C.

Looking for great weather? May is a good time to be in Rio das Ostras. 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 Rio das Ostras, Brazil. 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 38°C in 2016, Rio das Ostras reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 19°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 24°C.

Rainfall amount

In May, there is an average of 57 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in May for Rio das Ostras

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

May weather comparison

  Rio das Ostras New York
Average temperature 28°C 22°C
Max. temperature 30°C 28°C
Min. temperature 18°C -5°C
Total precipitation 57 mm 105 mm
Rainy days 9 days 14 days

Start of May

The month of May starts in Rio das Ostras with hot temps, averaging around 29°C during the day and nights around 20°C.

Mid May

By mid-May, daytime temps drop to around 28°C, with nights around 19°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 Rio das Ostras is around 28°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Rio das Ostras

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Rio das Ostras 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.

Temperature charts

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

Daily Temperature in May in Rio das Ostras

Temperature in May in Rio das Ostras over the years

Precipitation charts

These charts show the average amount of precipitation in May in Rio das Ostras, Brazil. 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 Rio das Ostras

Total precipitation in May in Rio das Ostras over the years

Daily UV index in May in Rio das Ostras

This chart shows the average daily UV index in May in Rio das Ostras, 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 Rio das Ostras

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Average weather in Rio das Ostras by month

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