Measurements:
°C
°F
St. Petersburg
96°F
E 14 mph
Feels like: 104°F
Precip: 2%
World Resorts USA St. Petersburg Weather May Weather in St. Petersburg

St. Petersburg Weather: May

Average Day Temperature: 87.3°F
Average Night Temperature: 78.2°F
Sea Water Temperature: 84.4°F
Number of Sunny Days: 20 days
Sunshine Hours: 13.2 - 13.8 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 99°F. The lowest night temperature was 67°F. The average values for day and night temperatures during May were 92.4°F и 75.8°F respectivly.

St. Petersburg Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for St. Petersburg was 85.6°F. The maximum and minimum values were 81.0°F and 89.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for St. Petersburg is 0.5 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 10.7 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for St. Petersburg in May is 10.2 hours.

Best Time to Visit St. Petersburg
The most sunny months:
May 20 days
March 20 days
April 20 days
The most warm months:
July 91.7 °F
August 91.5 °F
June 90.6 °F
Warmest sea temperature:
August 91.6 °F
July 91.3 °F
June 89.1 °F
The most cold months:
January 66.0 °F
February 70.5 °F
December 70.5 °F
The most rainy months:
July 4 days
September 4 days
August 3 days
The most windy months:
April 12 mph
November 12 mph
October 12 mph

St. Petersburg on the Weather Map

USA Resorts:
NAME
Boston +96
Chicago +86
Hawaii +82
Houston +80
Las Vegas +118
Los Angeles +100
Maui +78
Miami +96
Myrtle Beach +90
New York +104
San Diego +94
San Francisco +82
Santa Monica +82
Sarasota +96
Tampa +98
24 Hours Weather Forecast
St. Petersburg
Local time: 16:50
15 jul, wednesday
1800 96°F
E
14 mph
2100 90°F
SE
10 mph
16 jul, thursday
0000 86°F
SE
9 mph
0300 90°F
SE
11 mph
0600 90°F
SE
12 mph
0900 90°F
SE
11 mph
1200 92°F
SE
12 mph
1500 94°F
E
14 mph