The highest day temperature in January 2025 was 67°F. The lowest night temperature was 45°F. The average values for day and night temperatures during January were 61.4°F и 54.5°F respectivly.

The average sea surface temperature in January 2025 for Portimao was 62.8°F. The maximum and minimum values were 61.2°F and 64.0°F respectively.

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

Precipitation total in January for Portimao is 0.9 in.

The average wind speed in January is 10.0 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 Portimao in January is 6.8 hours.