Climate averages 1991–2020
Manaus weather
in January.
A hot, very wet month: the joint 7th warmest and the joint 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January 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 296 mm of rain on roughly 28 days, which makes January a very wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average January day.
The nearest other city in this atlas is Manacapuru (70 km away). In January its highs average 28.7°C, 0.5°C cooler than Manaus, with 358 mm of rain.
Among the 448 cities listed in Brazil, Manaus ranks joint 151st of 448 for the warmest January highs and joint 412th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Manaus is 0.7°C warmer than that mean.
From January to February, average highs fall by 0.1°C to 29.1°C, and monthly rainfall stays at 296 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Manacapuru in JanuaryBrazil · 70 kmHigh 28.7°C · Low 24.3°C · 358 mm rain
- Itacoatiara in JanuaryBrazil · 176 kmHigh 28.6°C · Low 24.4°C · 337 mm rain
- Coari in JanuaryBrazil · 363 kmHigh 29.1°C · Low 24.0°C · 285 mm rain
- Parintins in JanuaryBrazil · 369 kmHigh 29.0°C · Low 23.8°C · 337 mm rain
- Itaituba in JanuaryBrazil · 467 kmHigh 29.3°C · Low 23.5°C · 289 mm rain
- Oriximiná in JanuaryBrazil · 485 kmHigh 29.2°C · Low 24.2°C · 329 mm rain
- Tefé in JanuaryBrazil · 522 kmHigh 29.4°C · Low 23.6°C · 275 mm rain
- Santarém in JanuaryBrazil · 595 kmHigh 28.6°C · Low 24.7°C · 409 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.