Climate averages 1991–2020
Itacoatiara weather
in May.
A hot, very wet month: the joint 9th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Itacoatiara: daytime highs average 28.7°C and nights cool to about 24.3°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 277 mm of rain on roughly 28 days, which makes May a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average May day.
The nearest other city in this atlas is Manaus (176 km away). In May its highs average 29.0°C, about as warm as Itacoatiara, with 312 mm of rain.
Among the 448 cities listed in Brazil, Itacoatiara ranks joint 87th of 448 for the warmest May highs and 430th of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Itacoatiara is 3.4°C warmer than that mean.
From May to June, average highs rise by 0.3°C to 29.0°C, and monthly rainfall falls from 277 mm to 155 mm.
The annual picture
May 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, selected | 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
May in nearby cities
- Manaus in MayBrazil · 176 kmHigh 29.0°C · Low 23.9°C · 312 mm rain
- Parintins in MayBrazil · 198 kmHigh 29.0°C · Low 23.7°C · 292 mm rain
- Manacapuru in MayBrazil · 242 kmHigh 28.5°C · Low 24.1°C · 372 mm rain
- Itaituba in MayBrazil · 301 kmHigh 29.1°C · Low 23.4°C · 203 mm rain
- Oriximiná in MayBrazil · 325 kmHigh 28.7°C · Low 24.0°C · 272 mm rain
- Santarém in MayBrazil · 422 kmHigh 28.3°C · Low 24.6°C · 365 mm rain
- Coari in MayBrazil · 532 kmHigh 28.4°C · Low 23.7°C · 297 mm rain
- Altamira in MayBrazil · 693 kmHigh 28.8°C · Low 23.1°C · 190 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.