Temperatures in May
It's warm in May in Ilha Grande with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 30°C. At night, you can expect temperatures between 17°C and 20°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Ilha Grande 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 Ilha Grande 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 stays the same at 29°C, with nights close to 19°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
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 Ilha Grande will be around 29°C, with nights close to 19°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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 19 mm of precipitation, spread over 5 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The precipitation chance averages 17% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Ilha Grande. 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.
Ilha Grande in May |
London | ||
|---|---|---|---|
 Average Temperature |
29°C | 18°C | |
 High Temp |
30°C | 21°C | |
| Low Temp |
27°C | 15°C | |
 Total Precipitation |
19 mm | 46 mm | |
| Rainy Days |
5 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 Ilha Grande?
Want nice weather? Then May is a great time to be in Ilha Grande. You’ll have pleasant temperatures and little chance of rain this month.
Temperature records for Ilha Grande in May
With 36°C, Ilha Grande hit the highest temperature in the last 10 years in May 2023. The lowest daytime temperature in this month was 20°C in 2017. The extreme night temperatures ranged from a low of 11°C to a high of 23°C.
Check out the climate of Ilha Grande 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 Ilha Grande
This chart shows the average daily temperatures, both day and night, for each day in May in Ilha Grande, 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 Ilha Grande
The chart below shows the average daily precipitation in May for Ilha Grande, 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 5 days of rain in Ilha Grande.
Daily UV Index in May in Ilha Grande
This chart shows the average daily UV index in May in Ilha Grande, 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 Ilha Grande Over the Years
This chart shows the average temperature in May in Ilha Grande, measured in degrees Celsius, over the past years.
Total Precipitation in May in Ilha Grande Over the Years
This chart shows the average precipitation in May in Ilha Grande, 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 Ilha Grande
Click on a specific day in May for detailed info on the typical weather on that day in Ilha Grande. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Ilha Grande
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Average Weather in Ilha Grande by Month
Click on a month below to see detailed weather info for Ilha Grande. 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 Ilha Grande for all months at once
