The highest day temperature in January 2023 was 98°F. The lowest night temperature was 69°F. The average values for day and night temperatures during January were 87.9°F и 75.6°F respectivly.

The average sea surface temperature in January 2023 for Rio de Janeiro was 81.1°F. The maximum and minimum values were 77.4°F and 84.0°F respectively.

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

Precipitation total in January for Rio de Janeiro is 4.9 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 5.9 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 Rio de Janeiro in January is 8.7 hours.