BrazilAverage weather for Ilha Grande 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.
Start of May
The month of May starts in Ilha Grande with hot temps, averaging around 29°C during the day and nights around 20°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid May
By mid-May, daytime temps stay steady at around 29°C, with nights around 19°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers.
End of May
By the end of May, the average daytime temperature in Ilha Grande is around 29°C, while nighttime temps are about 19°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended.
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.
Ilha Grande in May |
New York | ||
|---|---|---|---|
 Average temperature |
29°C | 22°C | |
 Max. temperature |
30°C | 28°C | |
| Min. temperature |
27°C | -5°C | |
 Total precipitation |
19 mm | 105 mm | |
| Rainy days |
5 days | 14 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?
Looking for great weather? May is a good time to be in Ilha Grande. The temperatures are nice, and there’s little chance of rain this month.
Temperature records
With 36°C in 2023, Ilha Grande reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 20°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 23°C.
Check out the climate of Ilha Grande 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.
Daily Temperature in May in Ilha Grande
This chart shows the average daily high and low temperatures in May for Ilha Grande, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Ilha Grande
The chart below shows the average daily precipitation in May for Ilha Grande, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 5 days of precipitation 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 few years.
Total precipitation in May in Ilha Grande over the years
This chart shows the average precipitation in May in Ilha Grande, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for Ilha Grande
Click on any day in May to get detailed info about the usual 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
