What’s the climate like in Ilha Grande?
The current climate of Ilha Grande features average monthly temperatures ranging from highs of 33°C during the day to lows of 26°C. The average yearly temperature is around 30°C. At night, temperatures in the colder months average around 15°C and in the warmer months around 21°C.
The highest temperature recorded in Ilha Grande in recent years was 41°C in November 2023. The lowest daytime temperature recorded was 17°C in July 2017.
On average, Ilha Grande receives 637 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
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.
Best time to visit Ilha Grande?
The best time to visit Ilha Grande for sunny weather is January through October and December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Ilha Grande. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Ilha Grande
The climate table of Ilha Grande shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 30 | 31 | 31 | 30 | 29 | 27 | 26 | 26 | 29 | 31 | 33 | 31 |
| Temp. min (°C) | 20 | 20 | 20 | 20 | 19 | 17 | 16 | 16 | 17 | 19 | 21 | 20 |
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| Precipitation (mm) | 105 | 81 | 48 | 58 | 19 | 13 | 12 | 21 | 8,2 | 33 | 135 | 103 |
| UV Index | 9 | 9 | 9 | 8 | 7 | 6 | 6 | 7 | 8 | 9 | 9 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 30°C
- Highest temperature: 33°C in November
- Lowest temperature: 26°C in July and August
- Precipitation: 637 mm per year, averaging 53 mm per month
- Driest months: 8,2 mm in September, 12 mm in July and 13 mm in June
- Wettest months: 135 mm in November, 105 mm in January and 103 mm in December
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Table of Contents
Average Temperature per Month in Ilha Grande
This graph shows the average maximum temperatures per month in Ilha Grande, Brazil. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Ilha Grande
This graph shows how much precipitation Ilha Grande, Brazil, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Ilha Grande
This graph shows the average UV index per month in Ilha Grande, Brazil. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Ilha Grande
This graph shows the average yearly temperature in Ilha Grande, Brazil. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Ilha Grande
This chart shows the total yearly precipitation in Ilha Grande, Brazil, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences 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.
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