Weather in Saint John: March
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Average day temperature: | 35.6°F |
| Average night temperature: | 27.1°F | |
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Sea water temperature: | 36.3°F |
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Number of sunny days: | 6 days |
| Day length: | 11.2 - 12.8 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| Saint John |
temperature
| Saint John |
Air temperature in March, °F
The highest day temperature during March of 2026 was 46°F. At the same time the lowest night temperature was 2°F. Daily and nightly averages during March were 35.4°F and 28.1°F.
Sea water temperature in Saint John in March, °F
The average sea water temperature in March of 2026 was 35.1°F. The highest and lowest sea temperatures during the month were 36.3°F and 33.8°F.
Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in Saint John in March is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in March is 9.0 mph It makes March most windy month 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 March is: 4.7.
Best time for vacation in Saint John
Saint John on a weather map
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