Saint Petersburg
Florida, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Saint Petersburg, FL

  • The average high temperature in May: 86°F

Warmest months (with the highest average high temperature) are July and August (90°F).
The month with the lowest average high temperature is January (70°F).

  • The average low temperature in May: 70°F

Months with the highest average low temperature are July and August (76°F).
The coldest month (with the lowest average low temperature) is January (53°F).

  • The average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is August (7.8").
The driest month (with the lowest rainfall) is April (1.6").

  • The average rainfall days in May: 6 days

The month with the highest number of rainy days is August (17 days).
The month with the lowest number of rainy days is April (4 days).

  • The average sea temperature in May: 77°F

The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest month (with the lowest average sea temperature) is February (68°F).

  • The average daylight in May: 14h

Months with the longest days are May, June and July (Average daylight: 14h).
The month with shortest days is December (Average daylight: 10h).

  • The average sunshine in May: 10h

Months with most sunshine are April and May (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 6h).

  • The average UV index in May: 11

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).

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