Climate averages 1991–2020
Manaus weather
in March.
A hot, very wet month: the joint 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Manaus: daytime highs average 29.2°C and nights cool to about 24.1°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 375 mm of rain on roughly 30 days, which makes March a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average March day.
The nearest other city in this atlas is Manacapuru (70 km away). In March its highs average 28.7°C, about as warm as Manaus, with 427 mm of rain.
Among the 448 cities listed in Brazil, Manaus ranks joint 111th of 448 for the warmest March highs and 426th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Manaus is 1.3°C warmer than that mean.
From March to April, average highs fall by 0.2°C to 29.0°C, and monthly rainfall falls from 375 mm to 363 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
Manaus climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C24.1°C | 24.1°C | 296 | 28.0 | 12.312 h |
| February | 29.1°C24.0°C | 24.0°C | 296 | 25.5 | 12.212 h |
| March, selected | 29.2°C24.1°C | 24.1°C | 375 | 29.5 | 12.112 h |
| April | 29.0°C24.0°C | 24.0°C | 363 | 28.8 | 12.012 h |
| May | 29.0°C23.9°C | 23.9°C | 312 | 29.1 | 12.012 h |
| June | 29.2°C23.7°C | 23.7°C | 164 | 23.5 | 11.912 h |
| July | 29.6°C23.6°C | 23.6°C | 105 | 19.9 | 12.012 h |
| August | 30.8°C24.1°C | 24.1°C | 99 | 17.3 | 12.012 h |
| September | 31.2°C24.6°C | 24.6°C | 121 | 19.5 | 12.112 h |
| October | 31.3°C24.9°C | 24.9°C | 159 | 21.6 | 12.212 h |
| November | 30.6°C24.8°C | 24.8°C | 193 | 23.6 | 12.312 h |
| December | 29.6°C24.4°C | 24.4°C | 289 | 28.2 | 12.312 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
- Manacapuru in MarchBrazil · 70 kmHigh 28.7°C · Low 24.3°C · 427 mm rain
- Itacoatiara in MarchBrazil · 176 kmHigh 28.8°C · Low 24.4°C · 366 mm rain
- Coari in MarchBrazil · 363 kmHigh 29.3°C · Low 23.9°C · 334 mm rain
- Parintins in MarchBrazil · 369 kmHigh 28.9°C · Low 23.7°C · 386 mm rain
- Itaituba in MarchBrazil · 467 kmHigh 29.1°C · Low 23.4°C · 319 mm rain
- Oriximiná in MarchBrazil · 485 kmHigh 29.0°C · Low 24.0°C · 378 mm rain
- Tefé in MarchBrazil · 522 kmHigh 29.5°C · Low 23.6°C · 329 mm rain
- Santarém in MarchBrazil · 595 kmHigh 28.3°C · Low 24.5°C · 488 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 Manaus) is explained once on the Manaus year overview and on the Sources, method and limits page.