The highest day temperature in June 2025 was 98°F. The lowest night temperature was 51°F. The average values for day and night temperatures during June were 77.1°F и 64.3°F respectivly.

The average sea surface temperature in June 2025 for New London was 62.2°F. The maximum and minimum values were 56.0°F and 66.4°F respectively.

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

Precipitation total in June for New London is 1.1 in.

The average wind speed in June is 7.6 mph. It makes June one of the most windless months of the year for New London.

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 New London in June is 8.1 hours.