The highest day temperature in January 2024 was 51°F. The lowest night temperature was 14°F. The average values for day and night temperatures during January were 35.1°F и 32.2°F respectivly.

The average sea surface temperature in January 2024 for Charlestown was 43.9°F. The maximum and minimum values were 39.6°F and 47.2°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Charlestown is 1.5 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 12.1 mph. It makes January the most windy month of the year for Charlestown.

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 Charlestown in January is 4.7 hours.