The highest day temperature in January 2026 was 86°F. The lowest night temperature was 70°F. The average values for day and night temperatures during January were 81.5°F и 75.5°F respectivly.

The average sea surface temperature in January 2026 for Buzios was 78.1°F. The maximum and minimum values were 75.2°F and 81.0°F respectively.

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

Precipitation total in January for Buzios is 4.5 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 12.4 mph. It makes January one of the most windy months of the year for Buzios.

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 Buzios in January is 8.7 hours.