The highest day temperature in June 2026 was 100°F. The lowest night temperature was 40°F. The average values for day and night temperatures during June were 80.8°F и 56.0°F respectivly.

The average sea surface temperature in June 2026 for Winterthur was 72.8°F. The maximum and minimum values were 67.4°F and 84.2°F respectively.

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

Precipitation total in June for Winterthur is 3.3 in. It makes june one of the most rainy months of the year.

The average wind speed in June is 4.6 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 June is 9.4 hours.