The highest day temperature in January 2023 was 64°F. The lowest night temperature was 43°F. The average values for day and night temperatures during January were 55.5°F и 53.4°F respectivly.

The average sea surface temperature in January 2023 for Cascais was 60.5°F. The maximum and minimum values were 56.8°F and 62.4°F respectively.

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

Precipitation total in January for Cascais is 1.8 in.

The average wind speed in January is 12.4 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 Cascais in January is 6.1 hours.