Climate averages 1991–2020
Itacoatiara weather
in October.
A hot, wet month: one of the warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Itacoatiara: daytime highs average 31.2°C and nights cool to about 25.4°C. By daytime temperature it is one of the warmest months of the year.
Expect about 140 mm of rain on roughly 17 days, which makes October a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average October day.
The nearest other city in this atlas is Manaus (176 km away). In October its highs average 31.3°C, about as warm as Itacoatiara, with 159 mm of rain.
Among the 448 cities listed in Brazil, Itacoatiara ranks joint 94th of 448 for the warmest October highs and joint 348th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Itacoatiara is 3.0°C warmer than that mean.
From October to November, average highs fall by 0.9°C to 30.4°C, and monthly rainfall rises from 140 mm to 178 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Manaus in OctoberBrazil · 176 kmHigh 31.3°C · Low 24.9°C · 159 mm rain
- Parintins in OctoberBrazil · 198 kmHigh 31.8°C · Low 25.1°C · 121 mm rain
- Manacapuru in OctoberBrazil · 242 kmHigh 30.7°C · Low 25.2°C · 165 mm rain
- Itaituba in OctoberBrazil · 301 kmHigh 32.5°C · Low 24.3°C · 116 mm rain
- Oriximiná in OctoberBrazil · 325 kmHigh 32.0°C · Low 25.8°C · 100 mm rain
- Santarém in OctoberBrazil · 422 kmHigh 31.4°C · Low 26.5°C · 107 mm rain
- Coari in OctoberBrazil · 532 kmHigh 30.3°C · Low 24.7°C · 163 mm rain
- Altamira in OctoberBrazil · 693 kmHigh 33.0°C · Low 24.5°C · 60 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.