Weather in St John's: May
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Average day temperature: | 82.5°F |
| Average night temperature: | 79.9°F | |
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Sea water temperature: | 81.6°F |
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Number of sunny days: | 3 days |
| Day length: | 12.7 - 13.1 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 2.5 in. | |
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| St John's |
temperature
| St John's |
Air temperature in May, °F
The highest day temperature during May of 2025 was 82°F. At the same time the lowest night temperature was 78°F. Daily and nightly averages during May were 80.7°F and 80.3°F.
Sea water temperature in St John's in May, °F
The average sea water temperature in May of 2025 was 82.3°F. The highest and lowest sea temperatures during the month were 83.1°F and 81.5°F.
Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in St John's in May is 2.0 in. Other months of the year show relatively similar values.
The average wind speed value in May is 15.8 mph
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 May is: 5.9.
Best time for vacation in St John's
St John's on a weather map
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