The highest day temperature in June 2023 was 72°F. The lowest night temperature was 38°F. The average values for day and night temperatures during June were 51.0°F и 45.7°F respectivly.

The average sea surface temperature in June 2023 for St. John's was 40.1°F. The maximum and minimum values were 36.8°F and 44.6°F respectively.

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

Precipitation total in June for St. John's is 1.9 in.

The average wind speed in June is 10.7 mph. It makes June one of the most windless months of the year for St. John's.

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 St. John's in June is 5.7 hours.