The highest day temperature in January 2026 was 86°F. The lowest night temperature was 63°F. The average values for day and night temperatures during January were 80.1°F и 72.7°F respectivly.

The average sea surface temperature in January 2026 for Arroio do Sal was 81.1°F. The maximum and minimum values were 78.8°F and 84.6°F respectively.

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

Precipitation total in January for Arroio do Sal is 2.1 in.

The average wind speed in January is 8.2 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 Arroio do Sal in January is 6.6 hours.