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The average temperature in Rio Brilhante over the whole year is 23°C. March is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 13°C. The rainy (wet) season in Rio Brilhante runs from October to April, peaking in February with a 57% chance of rain on a given day. The dry season is May to July; July is the driest month, at 28%. Winds in Rio Brilhante are highest in August, averaging 2.0 m/s (7 km/h), and lightest in April, at 1.3 m/s (5 km/h). The prevailing wind is from the NW. The clearest skies in Rio Brilhante come in August, when the sky is typically 45% covered; January is the cloudiest month, at 62%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 30°C | 23°C | 33°C | 56% | 62% | 1.5 m/s | 8 | 49 | 2 |
| February | 30°C | 22°C | 32°C | 57% | 60% | 1.5 m/s | 13 | 53 | 3 |
| March | 30°C | 22°C | 33°C | 54% | 56% | 1.4 m/s | 11 | 50 | 2 |
| April | 28°C | 19°C | 30°C | 56% | 52% | 1.3 m/s | 28 | 63 | 10 |
| May | 26°C | 16°C | 26°C | 41% | 58% | 1.4 m/s | 46 | 54 | 27 |
| June | 25°C | 15°C | 24°C | 35% | 59% | 1.5 m/s | 54 | 52 | 32 |
| July | 25°C | 13°C | 24°C | 28% | 50% | 1.7 m/s | 58 | 50 | 34 |
| August | 27°C | 15°C | 25°C | 44% | 45% | 2.0 m/s | 48 | 48 | 33 |
| September | 30°C | 18°C | 29°C | 42% | 45% | 1.9 m/s | 33 | 49 | 18 |
| October | 30°C | 21°C | 31°C | 55% | 58% | 1.9 m/s | 24 | 50 | 9 |
| November | 30°C | 22°C | 31°C | 57% | 57% | 1.8 m/s | 19 | 55 | 6 |
| December | 30°C | 23°C | 32°C | 57% | 60% | 1.6 m/s | 11 | 53 | 2 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Year round, Rio Brilhante has days of about 25°C at their warmest in June, its coolest month, and 30°C in March, its warmest; the coolest hours of the day run from 13°C to 23°C through the year, and the average temperature over the year is 23°C around the clock. Rain is most likely around February and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Winter in Rio Brilhante has typical daily highs of about 26°C and lows of about 14°C, with a 36% chance of rain on a given day.
Spring in Rio Brilhante has typical daily highs of about 30°C and lows of about 20°C, with a 51% chance of rain on a given day.
Summer in Rio Brilhante has typical daily highs of about 30°C and lows of about 22°C, with a 57% chance of rain on a given day.
Autumn in Rio Brilhante has typical daily highs of about 28°C and lows of about 19°C, with a 50% chance of rain on a given day.
The rainy (wet) season in Rio Brilhante runs from October to April, peaking in February with a 57% chance of rain on a given day. The dry season is May to July; July is the driest month, at 28%.
Winds in Rio Brilhante are highest in August, averaging 2.0 m/s (7 km/h), and lightest in April, at 1.3 m/s (5 km/h). The prevailing wind is from the NW.
The average temperature in Rio Brilhante over the whole year is 23°C. March is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 13°C.