Climate averages 1991–2020
Itacoatiara weather
in January.
A hot, very wet month: one of the coolest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Itacoatiara: daytime highs average 28.6°C and nights cool to about 24.4°C. By daytime temperature it is one of the coolest months of the year.
Expect about 337 mm of rain on roughly 28 days, which makes January a very wet month (the 10th 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 Manaus (176 km away). In January its highs average 29.2°C, 0.6°C warmer than Itacoatiara, with 296 mm of rain.
Among the 448 cities listed in Brazil, Itacoatiara ranks joint 218th of 448 for the warmest January highs and joint 436th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Itacoatiara is 0.2°C warmer than that mean.
From January to February, average highs stay level at 28.6°C, and monthly rainfall falls from 337 mm to 304 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
Itacoatiara climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.6°C24.4°C | 24.4°C | 337 | 28.0 | 12.312 h |
| February | 28.6°C24.3°C | 24.3°C | 304 | 25.6 | 12.212 h |
| March | 28.8°C24.4°C | 24.4°C | 366 | 28.2 | 12.112 h |
| April | 28.7°C24.4°C | 24.4°C | 355 | 27.8 | 12.012 h |
| May | 28.7°C24.3°C | 24.3°C | 277 | 28.3 | 12.012 h |
| June | 29.0°C24.3°C | 24.3°C | 155 | 22.6 | 11.912 h |
| July | 29.4°C24.3°C | 24.3°C | 105 | 19.3 | 12.012 h |
| August | 30.6°C24.9°C | 24.9°C | 89 | 15.7 | 12.012 h |
| September | 31.2°C25.2°C | 25.2°C | 109 | 15.8 | 12.112 h |
| October | 31.2°C25.4°C | 25.4°C | 140 | 16.9 | 12.212 h |
| November | 30.4°C25.2°C | 25.2°C | 178 | 20.5 | 12.312 h |
| December | 29.4°C24.8°C | 24.8°C | 268 | 25.8 | 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
- Manaus in JanuaryBrazil · 176 kmHigh 29.2°C · Low 24.1°C · 296 mm rain
- Parintins in JanuaryBrazil · 198 kmHigh 29.0°C · Low 23.8°C · 337 mm rain
- Manacapuru in JanuaryBrazil · 242 kmHigh 28.7°C · Low 24.3°C · 358 mm rain
- Itaituba in JanuaryBrazil · 301 kmHigh 29.3°C · Low 23.5°C · 289 mm rain
- Oriximiná in JanuaryBrazil · 325 kmHigh 29.2°C · Low 24.2°C · 329 mm rain
- Santarém in JanuaryBrazil · 422 kmHigh 28.6°C · Low 24.7°C · 409 mm rain
- Coari in JanuaryBrazil · 532 kmHigh 29.1°C · Low 24.0°C · 285 mm rain
- Altamira in JanuaryBrazil · 693 kmHigh 28.9°C · Low 23.0°C · 248 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 Itacoatiara) is explained once on the Itacoatiara year overview and on the Sources, method and limits page.