UTC Offset
UTC-03:00
Castelo, Brazil Snapshot 2026
Where is Castelo?
Castelo, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Castelo
- Population
- 36.9K
- Coordinates
- -20.60°, -41.18°
Castelo is a city in Brazil with a population of approximately 36.9K. Average temperatures range from 16°C (61°F) in July to 31°C (88°F) in January. The best time to visit is May, June, July, August, September.
Time in Castelo right now
Open full time & time zone page 02:16 16
Thursday, June 18, 2026
IANA time zone
America/Sao_Paulo
Daylight saving
No DST
Next DST change
—
Live weather in Castelo
Daylight in Castelo today
View full sunrise & sunset page Sunrise
Sunset
Day length
10h 53m
Climate normals for Castelo
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Fair April
Good May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 31°C / 22°C | 36°C / 26°C | 14days (164 mm) Wet | 10h Excellent | 76% Humid | 8.1 Very High | Poor | View Details |
| February | 31°C / 22°C | 36°C / 26°C | 14days (142 mm) Wet | 10h Excellent | 77% Humid | 8.7 Very High | Poor | View Details |
| March | 31°C / 22°C | 36°C / 25°C | 13days (109 mm) Wet | 10.2h Excellent | 78% Humid | 8 Very High | Fair | View Details |
| April | 29°C / 20°C | 32°C / 23°C | 11days (68 mm) Wet | 9.3h Good | 80% Humid | 6.7 High | Good | View Details |
| May best | 27°C / 18°C | 29°C / 20°C | 7days (33 mm) Good | 9h Good | 80% Humid | 5.7 High | Excellent | View Details |
| June best | 27°C / 17°C | 28°C / 18°C | 5days (19 mm) Good | 9h Good | 77% Humid | 5.3 High | Excellent | View Details |
| July best | 26°C / 16°C | 27°C / 17°C | 4days (15 mm) Good | 9.1h Good | 75% Muggy | 5.4 High | Excellent | View Details |
| August best | 27°C / 17°C | 28°C / 17°C | 6days (29 mm) Good | 9h Good | 74% Muggy | 6.2 High | Excellent | View Details |
| September best | 29°C / 18°C | 31°C / 20°C | 7days (43 mm) Good | 9.5h Good | 71% Muggy | 7.2 Very High | Excellent | View Details |
| October | 29°C / 20°C | 32°C / 22°C | 14days (108 mm) Wet | 8.4h Good | 76% Humid | 7.1 Very High | Good | View Details |
| November | 29°C / 20°C | 32°C / 23°C | 16days (153 mm) Wet | 8.7h Good | 79% Humid | 8.2 Very High | Fair | View Details |
| December | 30°C / 22°C | 35°C / 25°C | 18days (193 mm) Wet | 9.4h Good | 80% Humid | 8.4 Very High | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 31°C / 22°C . Feb: 31°C / 22°C . Mar: 31°C / 22°C . Apr: 29°C / 20°C . May: 27°C / 18°C . Jun: 27°C / 17°C . Jul: 26°C / 16°C . Aug: 27°C / 17°C . Sep: 29°C / 18°C . Oct: 29°C / 20°C . Nov: 29°C / 20°C . Dec: 30°C / 22°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 164 mm. Feb: 142 mm. Mar: 109 mm. Apr: 68 mm. May: 33 mm. Jun: 19 mm. Jul: 15 mm. Aug: 29 mm. Sep: 43 mm. Oct: 108 mm. Nov: 153 mm. Dec: 193 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 77%. Mar: 78%. Apr: 80%. May: 80%. Jun: 77%. Jul: 75%. Aug: 74%. Sep: 71%. Oct: 76%. Nov: 79%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 10 km/h . Mar: 9 km/h . Apr: 9 km/h . May: 9 km/h . Jun: 9 km/h . Jul: 10 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 12 km/h . Nov: 11 km/h . Dec: 11 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 9. Mar: UV 8. Apr: UV 7. May: UV 6. Jun: UV 5. Jul: UV 5. Aug: UV 6. Sep: UV 7. Oct: UV 7. Nov: UV 8. Dec: UV 8.
Frequently Asked Questions
Castelo has a population of approximately 36.9K.
The best months to visit Castelo are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Castelo receives approximately 1076mm of rainfall annually across 129 rainy days.
Castelo is located in Brazil, in the Americas region.