Weather in St. Petersburg: May
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Average day temperature: | 82.8°F |
| Average night temperature: | 75.7°F | |
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Sea water temperature: | 80.8°F |
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Number of sunny days: | 19 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:
2025
2024
2023
The highest day temperature during May of 2025 was 92°F. At the same time the lowest night temperature was 69°F. Daily and nightly averages during May were 85.4°F and 76.3°F.
Sea water temperature in St. Petersburg in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 82.6°F. The highest and lowest sea temperatures during the month were 86.9°F and 78.8°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 10.8 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: 9.9.
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: 22:35
December 05, friday
0000
63°F
NW
4 mph
4 mph
0300
63°F
NW
7 mph
7 mph
0600
63°F
N
8 mph
8 mph
0900
66°F
N
10 mph
10 mph
1200
70°F
N
12 mph
12 mph
1500
72°F
N
14 mph
14 mph
1800
72°F
N
11 mph
11 mph
2100
72°F
NE
7 mph
7 mph
