The highest day temperature in January 2025 was 66°F. The lowest night temperature was 54°F. The average values for day and night temperatures during January were 62.5°F и 60.9°F respectivly.

The average sea surface temperature in January 2025 for Terceira Island was 64.8°F. The maximum and minimum values were 63.4°F and 65.8°F respectively.

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

Precipitation total in January for Terceira Island is 2.9 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 16.7 mph. It makes January one of the most windy months of the year for Terceira Island.

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 Terceira Island in January is 4.5 hours.