Ilha Grande weather in August
In August, Ilha Grande sees average daytime highs of 30°C and overnight lows near 26°C, with 2 mm of rain across 0.4 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 85% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Ilha Grande's 2nd-clearest and 4th-windiest month. For the whole year in context, see Ilha Grande's year-round climate.
- Daytime high
- 30°
- 1st warmest
- Overnight low
- 26°
- 3rd coldest
- Rainfall
- 2 mm
- 0.4 wet days
- Daylight
- 11 h 54 min
- 5:54 AM – 5:49 PM
- Cloud cover
- 23%
- 2nd clearest
- Wind
- 27 km/h
- 4th windiest
- Solar energy
- 6.47 kWh/m²
- Travel score
- 7.0
- out of 10
Temperature in August
Day-to-day highs hold fairly steady near 30°C through the month.
A typical August day in Ilha Grande reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 26 |
| 2 | 30 | 26 |
| 3 | 30 | 26 |
| 4 | 30 | 26 |
| 5 | 30 | 26 |
| 6 | 30 | 26 |
| 7 | 30 | 26 |
| 8 | 30 | 26 |
| 9 | 30 | 26 |
| 10 | 30 | 26 |
| 11 | 30 | 26 |
| 12 | 30 | 26 |
| 13 | 30 | 26 |
| 14 | 30 | 26 |
| 15 | 30 | 26 |
| 16 | 30 | 26 |
| 17 | 30 | 26 |
| 18 | 30 | 26 |
| 19 | 30 | 26 |
| 20 | 30 | 26 |
| 21 | 29 | 26 |
| 22 | 29 | 26 |
| 23 | 29 | 26 |
| 24 | 29 | 26 |
| 25 | 29 | 26 |
| 26 | 29 | 26 |
| 27 | 29 | 26 |
| 28 | 29 | 26 |
| 29 | 29 | 26 |
| 30 | 29 | 26 |
| 31 | 29 | 26 |
How August really feels in Ilha Grande
Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ilha Grande weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 26° | 146 | 21.3 | 12.1 | 4.3 |
| Feb | 28° / 26° | 211 | 23.7 | 12.1 | 3.9 |
| Mar | 28° / 25° | 323 | 28.3 | 12 | 3.7 |
| Apr | 28° / 26° | 343 | 27.3 | 11.9 | 3.5 |
| May | 29° / 26° | 178 | 20.7 | 11.9 | 4.3 |
| Jun | 29° / 26° | 51 | 11.3 | 11.8 | 5.5 |
| Jul | 29° / 26° | 22 | 4.3 | 11.9 | 6.5 |
| Aug | 30° / 26° | 2 | 0.4 | 11.9 | 7.0 |
| Sep | 29° / 26° | 1 | 0.2 | 12 | 7.2 |
| Oct | 29° / 26° | 6 | 0.8 | 12.1 | 7.1 |
| Nov | 29° / 26° | 7 | 1.6 | 12.1 | 6.8 |
| Dec | 29° / 26° | 34 | 7.7 | 12.2 | 5.9 |
Cloud cover in August
The sky is clear or mostly clear about 85% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 7%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 95 | 95 | 95 | 95 | 95 |
| Cloudier (%) | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 92 | 8 |
| 2 | 92 | 8 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 93 | 7 |
| 7 | 93 | 7 |
| 8 | 93 | 7 |
| 9 | 93 | 7 |
| 10 | 93 | 7 |
| 11 | 93 | 7 |
| 12 | 92 | 8 |
| 13 | 92 | 8 |
| 14 | 92 | 8 |
| 15 | 92 | 8 |
| 16 | 92 | 8 |
| 17 | 92 | 8 |
| 18 | 92 | 8 |
| 19 | 92 | 8 |
| 20 | 92 | 8 |
| 21 | 92 | 8 |
| 22 | 92 | 8 |
| 23 | 93 | 7 |
| 24 | 93 | 7 |
| 25 | 93 | 7 |
| 26 | 93 | 7 |
| 27 | 95 | 5 |
| 28 | 95 | 5 |
| 29 | 95 | 5 |
| 30 | 95 | 5 |
| 31 | 95 | 5 |
Chance of precipitation in August
Ilha Grande gets around 2 mm of rain over 0.4 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 2% and peaks near 4% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| Rain chance (%) | |
|---|---|
| 1 | 4 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 2 |
| 14 | 2 |
| 15 | 2 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 1 |
| 24 | 1 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 0 |
| 31 | 0 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 |
| Oppressive (%) | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 99 | 99 |
| Muggy (%) | Oppressive (%) | |
|---|---|---|
| 1 | 7 | 93 |
| 2 | 7 | 93 |
| 3 | 7 | 93 |
| 4 | 7 | 93 |
| 5 | 7 | 93 |
| 6 | 6 | 94 |
| 7 | 6 | 94 |
| 8 | 6 | 94 |
| 9 | 6 | 94 |
| 10 | 5 | 95 |
| 11 | 5 | 95 |
| 12 | 5 | 95 |
| 13 | 5 | 95 |
| 14 | 5 | 95 |
| 15 | 5 | 95 |
| 16 | 5 | 95 |
| 17 | 5 | 95 |
| 18 | 4 | 96 |
| 19 | 4 | 96 |
| 20 | 4 | 96 |
| 21 | 4 | 96 |
| 22 | 4 | 96 |
| 23 | 3 | 97 |
| 24 | 3 | 97 |
| 25 | 3 | 97 |
| 26 | 2 | 98 |
| 27 | 2 | 98 |
| 28 | 2 | 98 |
| 29 | 2 | 98 |
| 30 | 1 | 99 |
| 31 | 1 | 99 |
Wind in August
Winds average 27 km/h in August.
Across August, daily wind ranges from about 25 km/h on the calmest days to 29 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | windy | windy | windy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 25 | breezy |
| 2 | 25 | breezy |
| 3 | 26 | breezy |
| 4 | 26 | breezy |
| 5 | 26 | breezy |
| 6 | 26 | breezy |
| 7 | 26 | breezy |
| 8 | 26 | breezy |
| 9 | 27 | breezy |
| 10 | 27 | breezy |
| 11 | 27 | breezy |
| 12 | 27 | breezy |
| 13 | 27 | breezy |
| 14 | 27 | breezy |
| 15 | 27 | breezy |
| 16 | 27 | breezy |
| 17 | 28 | breezy |
| 18 | 28 | breezy |
| 19 | 28 | breezy |
| 20 | 28 | breezy |
| 21 | 28 | breezy |
| 22 | 28 | breezy |
| 23 | 28 | breezy |
| 24 | 28 | breezy |
| 25 | 29 | breezy |
| 26 | 29 | breezy |
| 27 | 29 | breezy |
| 28 | 29 | breezy |
| 29 | 29 | windy |
| 30 | 29 | windy |
| 31 | 29 | windy |
Sunrise & sunset in August
Daylight runs from about 11 h 54 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over August. Sunrise moves from 5:57 AM to 5:49 AM, and sunset from 5:50 PM to 5:46 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:55 | 5:55 | 5:55 | 5:55 | 5:54 | 5:54 | 5:54 | 5:54 | 5:53 | 5:53 | 5:53 | 5:52 | 5:52 | 5:52 | 5:51 | 5:51 | 5:51 | 5:50 | 5:50 | 5:49 | 5:49 |
| Sunset (PM) | 5:50 | 5:50 | 5:50 | 5:50 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:46 | 5:46 | 5:46 | 5:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 5:57 | 5:50 |
| 2 | 11.9 | 5:57 | 5:50 |
| 3 | 11.9 | 5:57 | 5:50 |
| 4 | 11.9 | 5:57 | 5:50 |
| 5 | 11.9 | 5:57 | 5:49 |
| 6 | 11.9 | 5:56 | 5:49 |
| 7 | 11.9 | 5:56 | 5:49 |
| 8 | 11.9 | 5:56 | 5:49 |
| 9 | 11.9 | 5:56 | 5:49 |
| 10 | 11.9 | 5:56 | 5:49 |
| 11 | 11.9 | 5:55 | 5:49 |
| 12 | 11.9 | 5:55 | 5:49 |
| 13 | 11.9 | 5:55 | 5:49 |
| 14 | 11.9 | 5:55 | 5:49 |
| 15 | 11.9 | 5:54 | 5:49 |
| 16 | 11.9 | 5:54 | 5:49 |
| 17 | 11.9 | 5:54 | 5:48 |
| 18 | 11.9 | 5:54 | 5:48 |
| 19 | 11.9 | 5:53 | 5:48 |
| 20 | 11.9 | 5:53 | 5:48 |
| 21 | 11.9 | 5:53 | 5:48 |
| 22 | 11.9 | 5:52 | 5:48 |
| 23 | 11.9 | 5:52 | 5:47 |
| 24 | 11.9 | 5:52 | 5:47 |
| 25 | 11.9 | 5:51 | 5:47 |
| 26 | 11.9 | 5:51 | 5:47 |
| 27 | 11.9 | 5:51 | 5:47 |
| 28 | 11.9 | 5:50 | 5:46 |
| 29 | 11.9 | 5:50 | 5:46 |
| 30 | 11.9 | 5:49 | 5:46 |
| 31 | 11.9 | 5:49 | 5:46 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.47 kWh/m².
For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 7.04 kWh/m² in October across the year — August's 6.47 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.5 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.6 | Intense |
| 22 | 6.6 | Intense |
| 23 | 6.6 | Intense |
| 24 | 6.6 | Intense |
| 25 | 6.6 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.7 | Intense |
| 29 | 6.7 | Intense |
| 30 | 6.7 | Intense |
| 31 | 6.8 | Intense |
Hazard calendar for Ilha Grande
None of Ilha Grande's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Ilha Grande's monsoon runs February–May, when most of the year's rain falls.
Is August a good time to visit Ilha Grande?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Ilha Grande for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Ilha Grande in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Ilha Grande sees daytime highs around 30°C and nights near 26°C. Pack light clothes and sun protection. Worth having: a windbreaker.
Sea temperature near Ilha Grande in August
The nearest coast averages about 27°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in May at about 29°C and coldest in September near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Warm |
| Aug | 27 | Warm |
| Sep | 27 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Ilha Grande in August
Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ilha Grande peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 14 | 16 | 14 | 12 | 10 | 10 | 10 | 12 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Ilha Grande in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Ilha Grande is worst in December — around 18 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (August, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 15 | 13 | 11 | 8 | 7 | 9 | 6 | 7 | 10 | 16 | 18 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 15 | Moderate |
| Mar | 13 | Moderate |
| Apr | 11 | Good |
| May | 8 | Good |
| Jun | 7 | Good |
| Jul | 9 | Good |
| Aug | 6 | Good |
| Sep | 7 | Good |
| Oct | 10 | Good |
| Nov | 16 | Moderate |
| Dec | 18 | Moderate |
Where is Ilha Grande?
Ilha Grande sits at 2.9°S, 41.8°W, 0 m above sea level, in Brazil. The nearest listed city is Parnaíba, 7.0 km away.
Topography around Ilha Grande
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ilha Grande.
Within 3 km, the terrain around Ilha Grande has only modest variations in elevation — a maximum elevation change of 24 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.
The land around Ilha Grande is covered by grassland (49%) and trees (22%) within 3 km, grassland (32%) within 16 km, and trees (38%) and water (35%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ilha Grande (-2.8521°, -41.8169°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).