The highest day temperature in January 2026 was 45°F. The lowest night temperature was -13°F. The average values for day and night temperatures during January were 20.3°F и 12.0°F respectivly.

The average sea surface temperature in January 2026 for Moncton was 27.9°F. The maximum and minimum values were 27.4°F and 28.8°F respectively.

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

Precipitation total in January for Moncton is 1.2 in. This value is relatively stable throughout the year.

The average wind speed in January is 11.9 mph. It makes January one of the most windy months of the year for Moncton.

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 Moncton in January is 3.2 hours.