Climate averages 1991–2020
Cacoal weather
in March.
A hot, very wet month: the 10th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Cacoal: daytime highs average 29.2°C and nights cool to about 22.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 270 mm of rain on roughly 28 days, which makes March a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average March day.
The nearest other city in this atlas is Ji Paraná (83 km away). In March its highs average 29.2°C, about as warm as Cacoal, with 241 mm of rain.
Among the 448 cities listed in Brazil, Cacoal ranks joint 111th of 448 for the warmest March highs and joint 397th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Cacoal is 1.3°C warmer than that mean.
From March to April, average highs rise by 0.1°C to 29.3°C, and monthly rainfall falls from 270 mm to 151 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cacoal climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.1°C22.7°C | 22.7°C | 308 | 29.3 | 12.713 h |
| February | 28.9°C22.6°C | 22.6°C | 299 | 26.6 | 12.512 h |
| March, selected | 29.2°C22.6°C | 22.6°C | 270 | 28.2 | 12.212 h |
| April | 29.3°C22.4°C | 22.4°C | 151 | 22.3 | 11.912 h |
| May | 29.3°C21.6°C | 21.6°C | 77 | 13.4 | 11.612 h |
| June | 30.7°C20.5°C | 20.5°C | 17 | 3.5 | 11.511 h |
| July | 32.2°C20.3°C | 20.3°C | 11 | 2.1 | 11.512 h |
| August | 33.7°C21.5°C | 21.5°C | 26 | 4.7 | 11.712 h |
| September | 33.3°C23.0°C | 23.0°C | 90 | 14.1 | 12.012 h |
| October | 32.0°C23.2°C | 23.2°C | 156 | 21.7 | 12.312 h |
| November | 30.3°C22.9°C | 22.9°C | 239 | 24.9 | 12.613 h |
| December | 29.4°C22.8°C | 22.8°C | 284 | 27.9 | 12.813 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Ji Paraná in MarchBrazil · 83 kmHigh 29.2°C · Low 22.8°C · 241 mm rain
- Vilhena in MarchBrazil · 202 kmHigh 27.5°C · Low 20.9°C · 241 mm rain
- Ariquemes in MarchBrazil · 243 kmHigh 29.4°C · Low 22.8°C · 274 mm rain
- Porto Velho in MarchBrazil · 401 kmHigh 29.3°C · Low 23.4°C · 328 mm rain
- Riberalta in MarchBolivia · 505 kmHigh 29.4°C · Low 23.3°C · 255 mm rain
- Trinidad in MarchBolivia · 531 kmHigh 29.3°C · Low 23.3°C · 234 mm rain
- Tangará da Serra in MarchBrazil · 556 kmHigh 29.1°C · Low 21.9°C · 215 mm rain
- Lucas do Rio Verde in MarchBrazil · 628 kmHigh 29.3°C · Low 22.1°C · 182 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cacoal) is explained once on the Cacoal year overview and on the Sources, method and limits page.