Weather in St. John's: May
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Average day temperature: | 45.5°F |
| Average night temperature: | 39.1°F | |
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Sea water temperature: | 37.1°F |
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Number of sunny days: | 5 days |
| Day length: | 14.5 - 15.7 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 1.8 in. | |
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Air temperature in May, °F
| Day temperature | Night temperature |
The highest day temperature during May of 2024 was 63°F. At the same time the lowest night temperature was 33°F. Daily and nightly averages during May were 45.4°F and 39.8°F.
Sea water temperature in St. John's in May, °F
The average sea water temperature in May of 2024 was 37.1°F. The highest and lowest sea temperatures during the month were 41.0°F and 34.2°F.
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| Partly cloudy days | |
| Cloudy days |
Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in St. John's in May is 1.8 in. Other months of the year show relatively similar values.
The average wind speed value in May is 11.7 mph It makes May 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 May is: 5.4.
Best time for vacation in St. John's
St. John's on a weather map
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