Climate averages 1991–2020
Imperatriz weather
in October.
A hot, fairly dry month: the 3rd warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Imperatriz: daytime highs average 33.5°C and nights cool to about 24.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 39 mm of rain on roughly 6 days, which makes October a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average October day.
The nearest other city in this atlas is Açailândia (64 km away). In October its highs average 33.0°C, about as warm as Imperatriz, with 41 mm of rain.
Among the 448 cities listed in Brazil, Imperatriz ranks 34th of 448 for the warmest October highs and 87th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Imperatriz is 5.3°C warmer than that mean.
From October to November, average highs fall by 1.9°C to 31.7°C, and monthly rainfall rises from 39 mm to 100 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
Imperatriz climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C23.0°C | 23.0°C | 207 | 26.1 | 12.412 h |
| February | 29.1°C23.0°C | 23.0°C | 206 | 24.1 | 12.312 h |
| March | 29.1°C23.0°C | 23.0°C | 212 | 26.3 | 12.112 h |
| April | 29.4°C23.1°C | 23.1°C | 150 | 20.7 | 12.012 h |
| May | 30.2°C23.1°C | 23.1°C | 74 | 11.7 | 11.912 h |
| June | 32.0°C23.0°C | 23.0°C | 8.2 | 1.8 | 11.812 h |
| July | 33.2°C23.1°C | 23.1°C | 6.2 | 1.1 | 11.812 h |
| August | 34.3°C23.7°C | 23.7°C | 2.1 | 0.4 | 11.912 h |
| September | 34.5°C24.5°C | 24.5°C | 9.6 | 2.0 | 12.112 h |
| October, selected | 33.5°C24.7°C | 24.7°C | 39 | 6.3 | 12.212 h |
| November | 31.7°C24.2°C | 24.2°C | 100 | 14.2 | 12.412 h |
| December | 30.3°C23.7°C | 23.7°C | 144 | 20.0 | 12.412 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
- Açailândia in OctoberBrazil · 64 kmHigh 33.0°C · Low 23.4°C · 41 mm rain
- Grajaú in OctoberBrazil · 153 kmHigh 33.8°C · Low 24.1°C · 32 mm rain
- Marabá in OctoberBrazil · 182 kmHigh 32.8°C · Low 24.3°C · 70 mm rain
- Araguaína in OctoberBrazil · 201 kmHigh 32.4°C · Low 22.9°C · 94 mm rain
- Barra do Corda in OctoberBrazil · 249 kmHigh 34.4°C · Low 24.4°C · 33 mm rain
- Parauapebas in OctoberBrazil · 273 kmHigh 31.9°C · Low 23.5°C · 70 mm rain
- Balsas in OctoberBrazil · 275 kmHigh 34.0°C · Low 24.0°C · 55 mm rain
- Paragominas in OctoberBrazil · 282 kmHigh 34.3°C · Low 23.8°C · 24 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 Imperatriz) is explained once on the Imperatriz year overview and on the Sources, method and limits page.