The highest day temperature in October 2025 was 103°F. The lowest night temperature was 51°F. The average values for day and night temperatures during October were 80.4°F и 62.8°F respectivly.

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

Precipitation total in October for Jacarei is 1.9 in.

The average wind speed in October is 4.8 mph. This value is relatively stable throughout the year.

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 Jacarei in October is 4.9 hours.