The highest day temperature in January 2026 was 48°F. The lowest night temperature was -6°F. The average values for day and night temperatures during January were 26.5°F и 20.7°F respectivly.

The average sea surface temperature in January 2026 for Lunenburg was 34.1°F. The maximum and minimum values were 30.2°F and 36.0°F respectively.

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

Precipitation total in January for Lunenburg is 2.2 in.

The average wind speed in January is 11.7 mph.

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 Lunenburg in January is 2.8 hours.