The highest day temperature in January 2026 was 56°F. The lowest night temperature was -8°F. The average values for day and night temperatures during January were 22.0°F и 15.8°F respectivly.

The average sea surface temperature in January 2026 for Niagara-on-the-Lake was 35.9°F. The maximum and minimum values were 34.4°F and 37.2°F respectively.

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

Precipitation total in January for Niagara-on-the-Lake is 1.0 in. It makes january one of the most rainy months of 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 Niagara-on-the-Lake.

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 Niagara-on-the-Lake in January is 2.6 hours.