Weather in Saint John: June
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Average day temperature: | 68.1°F |
| Average night temperature: | 55.0°F | |
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Sea water temperature: | 51.1°F |
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Number of sunny days: | 7 days |
| Day length: | 15.4 - 15.7 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.1 in. | |
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forecast
| Saint John |
temperature
| Saint John |
Air temperature in June, °F
The highest day temperature during June of 2025 was 86°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during June were 66.2°F and 52.5°F.
Sea water temperature in Saint John in June, °F
The average sea water temperature in June of 2025 was 48.3°F. The highest and lowest sea temperatures during the month were 52.3°F and 45.0°F.
Mostly all days in June are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in June, in.
Precipitation total value in Saint John in June is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in June is 6.8 mph It makes June one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in June is: 6.3.
Best time for vacation in Saint John
Saint John on a weather map
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