The highest day temperature in January 2025 was 88°F. The lowest night temperature was 77°F. The average values for day and night temperatures during January were 85.3°F и 81.5°F respectivly.

The average sea surface temperature in January 2025 for Sao Luis was 87.2°F. The maximum and minimum values were 86.6°F and 88.2°F respectively.

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

Precipitation total in January for Sao Luis is 4.7 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 6.5 mph.

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 Sao Luis in January is 3.8 hours.