Climate averages 1991–2020
Vilhena weather
in October.
A hot, wet month: the 3rd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Vilhena: daytime highs average 29.5°C and nights cool to about 21.2°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 165 mm of rain on roughly 22 days, which makes October a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average October day.
The nearest other city in this atlas is Cacoal (202 km away). In October its highs average 32.0°C, 2.5°C warmer than Vilhena, with 156 mm of rain.
Among the 448 cities listed in Brazil, Vilhena ranks joint 150th of 448 for the warmest October highs and joint 400th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Vilhena is 1.2°C warmer than that mean.
From October to November, average highs fall by 1.3°C to 28.2°C, and monthly rainfall rises from 165 mm to 207 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
Vilhena climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.5°C21.0°C | 21.0°C | 267 | 29.4 | 12.813 h |
| February | 27.2°C20.8°C | 20.8°C | 276 | 27.2 | 12.513 h |
| March | 27.5°C20.9°C | 20.9°C | 241 | 28.6 | 12.212 h |
| April | 27.6°C20.4°C | 20.4°C | 128 | 21.4 | 11.812 h |
| May | 27.5°C19.4°C | 19.4°C | 57 | 12.1 | 11.512 h |
| June | 28.3°C18.5°C | 18.5°C | 14 | 3.0 | 11.411 h |
| July | 29.3°C18.2°C | 18.2°C | 10 | 2.1 | 11.411 h |
| August | 31.0°C19.6°C | 19.6°C | 24 | 4.8 | 11.712 h |
| September | 30.8°C20.9°C | 20.9°C | 84 | 13.5 | 12.012 h |
| October, selected | 29.5°C21.2°C | 21.2°C | 165 | 22.4 | 12.412 h |
| November | 28.2°C21.1°C | 21.1°C | 207 | 25.5 | 12.713 h |
| December | 27.7°C21.1°C | 21.1°C | 259 | 28.2 | 12.913 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
- Cacoal in OctoberBrazil · 202 kmHigh 32.0°C · Low 23.2°C · 156 mm rain
- Ji Paraná in OctoberBrazil · 285 kmHigh 32.1°C · Low 23.3°C · 143 mm rain
- Tangará da Serra in OctoberBrazil · 355 kmHigh 31.5°C · Low 22.4°C · 120 mm rain
- Ariquemes in OctoberBrazil · 445 kmHigh 32.1°C · Low 23.3°C · 142 mm rain
- Cáceres, Brazil in OctoberBrazil · 456 kmHigh 33.7°C · Low 24.5°C · 91 mm rain
- Lucas do Rio Verde in OctoberBrazil · 460 kmHigh 31.7°C · Low 22.7°C · 126 mm rain
- Sorriso in OctoberBrazil · 482 kmHigh 31.7°C · Low 22.6°C · 126 mm rain
- Sinop in OctoberBrazil · 514 kmHigh 31.5°C · Low 22.2°C · 146 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 Vilhena) is explained once on the Vilhena year overview and on the Sources, method and limits page.