The highest day temperature in January 2026 was 89°F. The lowest night temperature was 74°F. The average values for day and night temperatures during January were 86.3°F и 77.0°F respectivly.

The average sea surface temperature in January 2026 for Ilheus was 84.5°F. The maximum and minimum values were 82.8°F and 86.0°F respectively.

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

Precipitation total in January for Ilheus is 1.9 in.

The average wind speed in January is 6.1 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 Ilheus in January is 5.4 hours.