The highest day temperature in October 2025 was 84°F. The lowest night temperature was 78°F. The average values for day and night temperatures during October were 81.2°F и 81.5°F respectivly.

The average sea surface temperature in October 2025 for Boa Vista was 83.7°F. The maximum and minimum values were 82.6°F and 84.8°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Boa Vista is 0.5 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 13.6 mph. It makes October one of the most windless months of the year for Boa Vista.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Boa Vista in October is 8.9 hours.