Climate averages 1991–2020
Ariquemes weather
in July.
A hot, very dry month: the 3rd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Ariquemes: daytime highs average 32.7°C and nights cool to about 21.5°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 13 mm of rain on roughly 3 days, which makes July a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 36 min on an average July day.
The nearest other city in this atlas is Porto Velho (159 km away). In July its highs average 31.3°C, 1.4°C cooler than Ariquemes, with 22 mm of rain.
Among the 448 cities listed in Brazil, Ariquemes ranks joint 7th of 448 for the warmest July highs and joint 118th of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Ariquemes is 8.0°C warmer than that mean.
From July to August, average highs rise by 1.2°C to 33.9°C, and monthly rainfall rises from 13 mm to 32 mm.
The annual picture
July 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
Ariquemes climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.5°C22.8°C | 22.8°C | 281 | 27.6 | 12.613 h |
| February | 29.3°C22.7°C | 22.7°C | 282 | 26.3 | 12.412 h |
| March | 29.4°C22.8°C | 22.8°C | 274 | 28.1 | 12.212 h |
| April | 29.4°C22.7°C | 22.7°C | 185 | 23.8 | 11.912 h |
| May | 29.3°C22.2°C | 22.2°C | 91 | 15.7 | 11.712 h |
| June | 30.7°C21.5°C | 21.5°C | 20 | 4.4 | 11.612 h |
| July, selected | 32.7°C21.5°C | 21.5°C | 13 | 2.5 | 11.612 h |
| August | 33.9°C22.4°C | 22.4°C | 32 | 5.3 | 11.812 h |
| September | 33.1°C23.3°C | 23.3°C | 86 | 13.9 | 12.012 h |
| October | 32.1°C23.3°C | 23.3°C | 142 | 20.1 | 12.312 h |
| November | 30.4°C23.1°C | 23.1°C | 208 | 23.2 | 12.613 h |
| December | 29.8°C22.9°C | 22.9°C | 246 | 26.8 | 12.713 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
July in nearby cities
- Porto Velho in JulyBrazil · 159 kmHigh 31.3°C · Low 21.9°C · 22 mm rain
- Ji Paraná in JulyBrazil · 161 kmHigh 32.2°C · Low 20.8°C · 11 mm rain
- Cacoal in JulyBrazil · 243 kmHigh 32.2°C · Low 20.3°C · 11 mm rain
- Riberalta in JulyBolivia · 351 kmHigh 30.0°C · Low 20.7°C · 24 mm rain
- Vilhena in JulyBrazil · 445 kmHigh 29.3°C · Low 18.2°C · 10 mm rain
- Rio Branco in JulyBrazil · 522 kmHigh 30.4°C · Low 20.4°C · 21 mm rain
- Trinidad in JulyBolivia · 583 kmHigh 27.9°C · Low 19.3°C · 41 mm rain
- Coari in JulyBrazil · 648 kmHigh 28.9°C · Low 23.7°C · 101 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 Ariquemes) is explained once on the Ariquemes year overview and on the Sources, method and limits page.