The highest day temperature in January 2024 was 51°F. The lowest night temperature was 16°F. The average values for day and night temperatures during January were 35.5°F и 34.3°F respectivly.

The average sea surface temperature in January 2024 for Block Island was 44.9°F. The maximum and minimum values were 40.4°F and 48.0°F respectively.

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

Precipitation total in January for Block Island is 1.5 in.

The average wind speed in January is 14.7 mph. It makes January one of the most windy months of the year for Block 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 Block Island in January is 4.7 hours.