Weather in St. Petersburg: May
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Average day temperature: | 83.6°F |
| Average night temperature: | 75.4°F | |
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Sea water temperature: | 81.0°F |
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Number of sunny days: | 20 days |
| Day length: | 13.2 - 13.8 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.5 in. | |
| more information | ||
14 days
forecast
forecast
| St. Petersburg |
sea water
temperature
temperature
| St. Petersburg |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 94°F. At the same time the lowest night temperature was 65°F. Daily and nightly averages during May were 88.1°F and 73.2°F.
Sea water temperature in St. Petersburg in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 82.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 77.9°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in St. Petersburg in May is 0.5 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 10.7 mph
Average sunny hours
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: 10.2.
Best time for vacation in St. Petersburg
St. Petersburg on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Petersburg
Local time: 22:29
June 06, saturday
0000
79°F
W
16 mph
16 mph
0300
75°F
W
14 mph
14 mph
0600
73°F
W
13 mph
13 mph
0900
77°F
W
11 mph
11 mph
1200
82°F
W
9 mph
9 mph
1500
86°F
W
6 mph
6 mph
1800
84°F
E
9 mph
9 mph
2100
82°F
SE
7 mph
7 mph
