UTC Offset
UTC-03:00
Alterosa, Brazil Snapshot 2026
Where is Alterosa?
Alterosa, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Alterosa
- Population
- 13.9K
- Coordinates
- -21.25°, -46.14°
Alterosa is a city in Brazil with a population of approximately 13.9K. Average temperatures range from 12°C (54°F) in July to 29°C (84°F) in September. The best time to visit is May, June, July, August, September.
Time in Alterosa right now
Open full time & time zone page 11:52 52
Friday, May 8, 2026
IANA time zone
America/Sao_Paulo
Daylight saving
No DST
Next DST change
—
Live weather in Alterosa
Daylight in Alterosa today
View full sunrise & sunset page Sunrise
Sunset
Day length
11h 13m
Climate normals for Alterosa
Long-term monthly averages based on historical data.
January
Wet 
February
Wet March
Wet April
Excellent May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 27°C / 20°C | 31°C / 22°C | 23days (275 mm) Wet | 9.6h Good | 80% Humid | 8.9 Very High | Wet | View Details |
| February | 27°C / 20°C | 31°C / 22°C | 20days (241 mm) Wet | 9.8h Good | 80% Humid | 8.5 Very High | Wet | View Details |
| March | 27°C / 19°C | 31°C / 22°C | 17days (182 mm) Wet | 10.2h Excellent | 79% Humid | 7.9 Very High | Wet | View Details |
| April | 26°C / 18°C | 28°C / 19°C | 7days (58 mm) Good | 9.7h Good | 76% Humid | 6.9 High | Excellent | View Details |
| May best | 24°C / 15°C | 25°C / 15°C | 4days (31 mm) Good | 9.4h Good | 74% Muggy | 5.8 High | Excellent | View Details |
| June best | 23°C / 13°C | 23°C / 13°C | 3days (23 mm) Excellent | 9.4h Good | 74% Muggy | 5.4 High | Excellent | View Details |
| July best | 24°C / 12°C | 23°C / 12°C | 1days (6 mm) Excellent | 9.8h Good | 67% Muggy | 5.8 High | Excellent | View Details |
| August best | 25°C / 14°C | 25°C / 13°C | 3days (22 mm) Excellent | 9.6h Good | 62% Muggy | 6.7 High | Excellent | View Details |
| September best | 29°C / 17°C | 30°C / 17°C | 5days (39 mm) Good | 10.5h Excellent | 57% Moderate | 7.9 Very High | Excellent | View Details |
| October | 28°C / 19°C | 30°C / 20°C | 15days (151 mm) Wet | 9.9h Good | 71% Muggy | 8.3 Very High | Good | View Details |
| November | 27°C / 19°C | 30°C / 20°C | 17days (204 mm) Wet | 10h Excellent | 75% Muggy | 8.5 Very High | Wet | View Details |
| December | 27°C / 20°C | 31°C / 22°C | 21days (249 mm) Wet | 9.8h Good | 79% Humid | 8.7 Very High | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 27°C / 20°C . Feb: 27°C / 20°C . Mar: 27°C / 19°C . Apr: 26°C / 18°C . May: 24°C / 15°C . Jun: 23°C / 13°C . Jul: 24°C / 12°C . Aug: 25°C / 14°C . Sep: 29°C / 17°C . Oct: 28°C / 19°C . Nov: 27°C / 19°C . Dec: 27°C / 20°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 275 mm. Feb: 241 mm. Mar: 182 mm. Apr: 58 mm. May: 31 mm. Jun: 23 mm. Jul: 6 mm. Aug: 22 mm. Sep: 39 mm. Oct: 151 mm. Nov: 204 mm. Dec: 249 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 80%. Mar: 79%. Apr: 76%. May: 74%. Jun: 74%. Jul: 67%. Aug: 62%. Sep: 57%. Oct: 71%. Nov: 75%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 11 km/h . Mar: 11 km/h . Apr: 11 km/h . May: 11 km/h . Jun: 11 km/h . Jul: 11 km/h . Aug: 12 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 12 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 9. Mar: UV 8. Apr: UV 7. May: UV 6. Jun: UV 5. Jul: UV 6. Aug: UV 7. Sep: UV 8. Oct: UV 8. Nov: UV 9. Dec: UV 9.
Frequently Asked Questions
Alterosa has a population of approximately 13.9K.
The best months to visit Alterosa are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Alterosa receives approximately 1481mm of rainfall annually across 136 rainy days.
Alterosa is located in Brazil, in the Americas region.