The highest day temperature in January 2024 was 54°F. The lowest night temperature was 9°F. The average values for day and night temperatures during January were 39.4°F и 28.2°F respectivly.

The average sea surface temperature in January 2024 for Winterthur was 41.2°F. The maximum and minimum values were 40.2°F and 42.8°F respectively.

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

Precipitation total in January for Winterthur is 3.2 in.

The average wind speed in January is 5.0 mph. This value is relatively stable throughout the year.

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 Winterthur in January is 3.7 hours.