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

May weather forecast and Climate
Saint Petersburg, FL

  • Average high temperature in May: 86°F

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

  • Average low temperature in May: 70°F

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

  • Average rainfall in May: 2.6"

Wettest month (with highest rainfall) is August (7.8").
Driest month (with lowest rainfall) is April (1.6").

  • Average rainfall days in May: 6 days

Month with highest number of rainy days is August (17 days).
Month with lowest number of rainy days is April (4 days).

  • Average sea temperature in May: 77°F

Best month for swimming (with highest average sea temperature) is August (86°F).
Coldest month (with lowest average sea temperature) is February (68°F).

  • Average daylight in May: 14h

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

  • Average sunshine in May: 10h

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

  • Average UV index in May: 11

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