Climate averages 1991–2020
Vilhena weather
in April.
A warm, wet month: the 8th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Vilhena: daytime highs average 27.6°C and nights cool to about 20.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 128 mm of rain on roughly 21 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 49 min on an average April day.
The nearest other city in this atlas is Cacoal (202 km away). In April its highs average 29.3°C, 1.7°C warmer than Vilhena, with 151 mm of rain.
Among the 448 cities listed in Brazil, Vilhena ranks joint 193rd of 448 for the warmest April highs and joint 338th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; Vilhena is 0.6°C warmer than that mean.
From April to May, average highs fall by 0.2°C to 27.5°C, and monthly rainfall falls from 128 mm to 57 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- Cacoal in AprilBrazil · 202 kmHigh 29.3°C · Low 22.4°C · 151 mm rain
- Ji Paraná in AprilBrazil · 285 kmHigh 29.2°C · Low 22.6°C · 148 mm rain
- Tangará da Serra in AprilBrazil · 355 kmHigh 28.7°C · Low 21.1°C · 112 mm rain
- Ariquemes in AprilBrazil · 445 kmHigh 29.4°C · Low 22.7°C · 185 mm rain
- Cáceres, Brazil in AprilBrazil · 456 kmHigh 30.3°C · Low 22.8°C · 84 mm rain
- Lucas do Rio Verde in AprilBrazil · 460 kmHigh 29.5°C · Low 21.6°C · 88 mm rain
- Sorriso in AprilBrazil · 482 kmHigh 29.6°C · Low 21.6°C · 94 mm rain
- Sinop in AprilBrazil · 514 kmHigh 29.2°C · Low 21.4°C · 129 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.