Climate averages 1991–2020
Coari weather
in March.
A hot, very wet month: the joint 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Coari: daytime highs average 29.3°C and nights cool to about 23.9°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 334 mm of rain on roughly 29 days, which makes March a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average March day.
The nearest other city in this atlas is Tefé (192 km away). In March its highs average 29.5°C, about as warm as Coari, with 329 mm of rain.
Among the 448 cities listed in Brazil, Coari ranks joint 102nd of 448 for the warmest March highs and 420th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Coari is 1.3°C warmer than that mean.
From March to April, average highs fall by 0.4°C to 28.8°C, and monthly rainfall rises from 334 mm to 335 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
Coari climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.1°C24.0°C | 24.0°C | 285 | 28.0 | 12.312 h |
| February | 29.1°C24.0°C | 24.0°C | 278 | 25.4 | 12.212 h |
| March, selected | 29.3°C23.9°C | 23.9°C | 334 | 28.7 | 12.112 h |
| April | 28.8°C23.8°C | 23.8°C | 335 | 28.6 | 12.012 h |
| May | 28.4°C23.7°C | 23.7°C | 297 | 29.1 | 11.912 h |
| June | 28.4°C23.5°C | 23.5°C | 167 | 25.3 | 11.912 h |
| July | 28.9°C23.7°C | 23.7°C | 101 | 20.5 | 11.912 h |
| August | 29.9°C24.3°C | 24.3°C | 96 | 18.6 | 12.012 h |
| September | 30.2°C24.6°C | 24.6°C | 123 | 21.5 | 12.112 h |
| October | 30.3°C24.7°C | 24.7°C | 163 | 24.6 | 12.212 h |
| November | 29.8°C24.5°C | 24.5°C | 211 | 25.6 | 12.312 h |
| December | 29.3°C24.2°C | 24.2°C | 256 | 29.1 | 12.412 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
- Tefé in MarchBrazil · 192 kmHigh 29.5°C · Low 23.6°C · 329 mm rain
- Manacapuru in MarchBrazil · 293 kmHigh 28.7°C · Low 24.3°C · 427 mm rain
- Manaus in MarchBrazil · 363 kmHigh 29.2°C · Low 24.1°C · 375 mm rain
- Porto Velho in MarchBrazil · 527 kmHigh 29.3°C · Low 23.4°C · 328 mm rain
- Itacoatiara in MarchBrazil · 532 kmHigh 28.8°C · Low 24.4°C · 366 mm rain
- Ariquemes in MarchBrazil · 648 kmHigh 29.4°C · Low 22.8°C · 274 mm rain
- Parintins in MarchBrazil · 729 kmHigh 28.9°C · Low 23.7°C · 386 mm rain
- Ji Paraná in MarchBrazil · 767 kmHigh 29.2°C · Low 22.8°C · 241 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 Coari) is explained once on the Coari year overview and on the Sources, method and limits page.