Climate averages 1991–2020
Boa Vista weather
in October.
A hot, moderately wet month: the 4th 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 Boa Vista: daytime highs average 31.8°C and nights cool to about 23.8°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 71 mm of rain on roughly 13 days, which makes October a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average October day.
The nearest other city in this atlas is Georgetown (524 km away). In October its highs average 29.1°C, 2.8°C cooler than Boa Vista, with 108 mm of rain.
Among the 448 cities listed in Brazil, Boa Vista ranks joint 74th of 448 for the warmest October highs and 120th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Boa Vista is 3.6°C warmer than that mean.
From October to November, average highs fall by 0.2°C to 31.6°C, and monthly rainfall rises from 71 mm to 90 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
Boa Vista climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.1°C24.1°C | 24.1°C | 34 | 6.7 | 12.012 h |
| February | 32.5°C24.3°C | 24.3°C | 31 | 5.8 | 12.012 h |
| March | 33.0°C24.6°C | 24.6°C | 59 | 9.1 | 12.112 h |
| April | 31.1°C24.0°C | 24.0°C | 200 | 17.4 | 12.212 h |
| May | 28.8°C23.2°C | 23.2°C | 343 | 26.4 | 12.212 h |
| June | 28.3°C22.7°C | 22.7°C | 310 | 27.3 | 12.312 h |
| July | 28.3°C22.4°C | 22.4°C | 249 | 26.7 | 12.312 h |
| August | 29.3°C22.7°C | 22.7°C | 156 | 22.2 | 12.212 h |
| September | 30.8°C23.2°C | 23.2°C | 94 | 15.4 | 12.112 h |
| October, selected | 31.8°C23.8°C | 23.8°C | 71 | 12.8 | 12.112 h |
| November | 31.6°C24.0°C | 24.0°C | 90 | 13.6 | 12.012 h |
| December | 31.5°C24.1°C | 24.1°C | 58 | 10.3 | 12.012 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
- Georgetown in OctoberGuyana · 524 kmHigh 29.1°C · Low 25.7°C · 108 mm rain
- Upata in OctoberVenezuela · 609 kmHigh 31.6°C · Low 22.4°C · 94 mm rain
- Ciudad Guayana in OctoberVenezuela · 652 kmHigh 31.5°C · Low 23.5°C · 89 mm rain
- Manaus in OctoberBrazil · 662 kmHigh 31.3°C · Low 24.9°C · 159 mm rain
- Ciudad Bolívar in OctoberVenezuela · 670 kmHigh 31.8°C · Low 24.0°C · 104 mm rain
- Manacapuru in OctoberBrazil · 680 kmHigh 30.7°C · Low 25.2°C · 165 mm rain
- Paramaribo in OctoberSuriname · 698 kmHigh 31.2°C · Low 24.5°C · 71 mm rain
- Itacoatiara in OctoberBrazil · 708 kmHigh 31.2°C · Low 25.4°C · 140 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 Boa Vista) is explained once on the Boa Vista year overview and on the Sources, method and limits page.