Rondônia, Brazil Weather

  1. Rondônia, Brazil Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Rondônia over the next 12 hours
  7. Temperature and possibility of rain in Rondônia in the coming days
  8. Rainfall in Rondônia in the coming days
  9. Rondônia Weather Summary
  10. Weather averages by month
  11. Rondônia's weather
  12. Frequently asked questions
  13. Comments
Rondônia, Weather
(Photo by Agustin Diaz Gargiulo on Unsplash)

Current conditions

Updated:
25°C
77.0°F
°C °F

Condition: Mainly Clear

Pressure: 987 hPa

Feel like: 30 °C

Temperature: 25°C

Cloud: 45%

Humidity: 92%

Wind: SW - 3 km/h

Visibility: 7.48 km

Weather forecast

Fri
18 Sep
22°C / 33°C
Overcast
Sat
19 Sep
23°C / 34°C
Drizzle
Sun
20 Sep
23°C / 34°C
Drizzle Dense Intensity
Mon
21 Sep
24°C / 34°C
Drizzle
Tue
22 Sep
23°C / 34°C
Slight Thunderstorm
Hourly forecast today:
23:00 PM
23° / 25°
23° / 25°
Mainly Clear
92% 9 km/h
00:00 AM
23° / 24°
23° / 24°
Overcast
95% 11 km/h
01:00 AM
23° / 24°
23° / 24°
Overcast
93% 10 km/h
02:00 AM
23° / 24°
23° / 24°
Overcast
94% 5 km/h
03:00 AM
23° / 24°
23° / 24°
Overcast
94% 7 km/h
04:00 AM
23° / 23°
23° / 23°
Overcast
97% 5 km/h
05:00 AM
22° / 23°
22° / 23°
Overcast
92% 21 km/h
06:00 AM
22° / 23°
22° / 23°
Partly Cloudy
94% 12 km/h
07:00 AM
22° / 22°
22° / 22°
Mainly Clear
97% 6 km/h
08:00 AM
22° / 22°
22° / 22°
Partly Cloudy
97% 9 km/h
09:00 AM
22° / 22°
22° / 22°
Clear Sky
98% 3 km/h

30 Day Averages and Extremes

  • Average high 31.3°C
  • Average low 21.33°C
  • Hottest day 35°C (04 September 2026)
  • Coldest day 17°C (07 September 2026)
  • Average humidity 81.5%
  • Days with precipitation 30 days
  • Highest precipitation 75 mm (13 September 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 20°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Rondônia over the next 12 hours

Temperature and possibility of rain in Rondônia in the coming days

Rainfall in Rondônia in the coming days

Rondônia Climate Summary

Rondônia features a Tropical wet and dry or savanna (Köppen classification: Aw), with an average annual temperature of 28.02ºC (82.44ºF), which is about 2.3% higher than the national average for Brazil. Annually, the city experiences approximately 123.64 millimeters (4.87 inches) of rainfall, spread across 195.0 rainy days, accounting for 53.42% of the year.

Longitude -11.5057341
Latitude -63.580611
Yearly high temperature 31.72ºC (89.1ºF)
Yearly low temperature 21.66ºC (70.99ºF)
Hottest month September 37.1ºC (98.78ºF)
Coldest month July 19.43ºC (66.97ºF)
Yearly precip 123.64mm (4.87in)
Days with rainfall 195.0 days (53.42%)
Driest month July (58.21%)
Wettest month January (90.86%)

Weather averages by month

Month High / Low (°C) Rain
January 28.77° / 21.88° 27.64 days
February 28.39° / 21.86° 26.0 days
March 29.05° / 21.87° 27.09 days
April 30.05° / 21.45° 22.91 days
May 30.23° / 20.79° 14.36 days
June 31.37° / 19.72° 4.36 days
July 33.23° / 19.43° 1.09 days
August 36.46° / 21.68° 1.73 days
September 37.1° / 24.25° 6.64 days
October 34.45° / 22.71° 16.36 days
November 31.73° / 22.25° 21.55 days
December 29.79° / 22.06° 25.27 days

Rondônia's weather

Frequently asked questions

1. What is the hottest month in Rondônia?

September has the highest average monthly temperature (daily mean of 37.1ºC) and July are the coolest (daily mean of 19.43ºC).

2. What should I wear in Rondônia today?

For today's very hot weather in Rondônia, with the high temperatures above 33ºC (91.4ºF), consider wearing:
- Ultra-thin, breathable socks
- Sleeveless tops or vests
- Broad-brimmed sun hat
- High SPF sunscreen for outdoor activities

Temperature

Early
21°C / 24°C
Morning
21°C / 22°C
Afternoon
20°C / 31°C
Evening
24°C / 28°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 463
  • CO 141
  • NH3 0
  • NO2 1
  • O3 32
  • PM10 10
  • PM25 10
  • SO2 0
  • CH4 1,337

Sunrise / Sunset

10:07
22:10