The highest day temperature in June 2026 was 91°F. The lowest night temperature was 47°F. The average values for day and night temperatures during June were 81.1°F и 63.3°F respectivly.

The average sea surface temperature in June 2026 for Mystic was 61.3°F. The maximum and minimum values were 52.4°F and 67.2°F respectively.

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

Precipitation total in June for Mystic is 1.0 in. This value is relatively stable throughout the year.

The average wind speed in June is 7.9 mph. It makes June one of the most windless months of the year for Mystic.

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 Mystic in June is 8.7 hours.