Temperatures in May
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Rio das Ostras 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 das Ostras with hot temperatures, averaging around 29°C during the day and nights close to 20°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-May
By mid-May, the average daytime temperature drops to around 28°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 das Ostras will be around 28°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 57 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance is 32% 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 das Ostras. 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 das Ostras in May |
London | ||
|---|---|---|---|
 Average Temperature |
28°C | 18°C | |
 High Temp |
30°C | 21°C | |
| Low Temp |
26°C | 15°C | |
 Total Precipitation |
57 mm | 46 mm | |
| Rainy Days |
10 days | 8 days | |
April
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.
Is May a good time to visit Rio das Ostras?
Want nice weather? Then May is a great time to be in Rio das Ostras. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Rio das Ostras in May
With 38°C, Rio das Ostras hit the highest temperature in the last 10 years in May 2016. The lowest daytime temperature in this month was 19°C in 2017. The extreme night temperatures ranged from a low of 11°C to a high of 24°C.
Check out the climate of Rio das Ostras 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 das Ostras
This chart shows the average daily temperatures, both day and night, for each day in May in Rio das Ostras, 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 das Ostras
The chart below shows the average daily precipitation in May for Rio das Ostras, 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 10 days of rain in Rio das Ostras.
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.
Temperature in May in Rio das Ostras Over the Years
This chart shows the average temperature in May in Rio das Ostras, measured in degrees Celsius, over the past years.
Total Precipitation in May in Rio das Ostras Over the Years
This chart shows the average precipitation in May in Rio das Ostras, 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 das Ostras
Click on a specific day in May for detailed info on the typical weather on that day in Rio das Ostras. Check out the historical temperatures and precipitation over the past 10 years on this day.
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.
Or check out the climate of Rio das Ostras for all months at once
