St. Petersburg (Florida) weather by month & the best time to visit
United States · coastal city break · humid subtropical climate
The best time to visit St. Petersburg (Florida) is November — its sunniest month (Sunshine Score 87/100), with January and February close behind. St. Petersburg (Florida) averages about 2,819 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 49 mm of rain in November.
When is the best time to visit St. Petersburg (Florida)?
For sunshine, the best time to visit St. Petersburg (Florida) is November, then January and February. The dullest month is June (68/100, 226 mm of rain). The full month-by-month picture is in the table below.
How sunny is St. Petersburg (Florida)?
St. Petersburg (Florida) gets a lot of sun: around 2,819 hours a year. November (87/100) is noticeably better than June (68). It ranks #112 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around July, carries about 50% of the annual 1,441 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 84 | 20° / 68°F | 11° / 52°F | 65 mm | 5 | 16° / 61°F |
| February | 84 | 22° / 72°F | 12° / 54°F | 65 mm | 6 | 17° / 63°F |
| March | 82 | 24° / 75°F | 15° / 59°F | 73 mm | 8 | 22° / 72°F |
| April | 84 | 27° / 81°F | 18° / 64°F | 63 mm | 9 | 24° / 75°F |
| May | 79 | 30° / 86°F | 21° / 70°F | 89 mm | 9 | 29° / 84°F |
| June | 68 | 31° / 88°F | 24° / 75°F | 226 mm | 9 | 31° / 88°F |
| July | 68 | 31° / 88°F | 25° / 77°F | 240 mm | 9 | 32° / 90°F |
| August | 68 | 30° / 86°F | 25° / 77°F | 252 mm | 9 | 31° / 88°F |
| September | 68 | 29° / 84°F | 24° / 75°F | 185 mm | 8 | 31° / 88°F |
| October | 83 | 27° / 81°F | 20° / 68°F | 69 mm | 7 | 26° / 79°F |
| November | 87 | 24° / 75°F | 15° / 59°F | 49 mm | 5 | 24° / 75°F |
| December | 84 | 22° / 72°F | 13° / 55°F | 65 mm | 4 | 18° / 64°F |
Sea temperature in St. Petersburg (Florida) by month
The sea off St. Petersburg (Florida) is warmest in July at around 32°C / 90°F, and coolest in January at 16°C / 61°F. The water sits at a comfortable 21°C or warmer roughly 9 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How St. Petersburg (Florida) compares month by month: St. Petersburg (Florida) vs Tampa · St. Petersburg (Florida) vs Sarasota/Bradenton · St. Petersburg (Florida) vs Punta Gorda · all comparisons
St. Petersburg (Florida): questions and answers
What kind of destination is St. Petersburg (Florida)?
St. Petersburg (Florida) is a coastal city break in United States with a humid subtropical climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) about 9 months a year.
How many hours of sunshine does St. Petersburg (Florida) get a year?
St. Petersburg (Florida) gets about 2,819 hours of sunshine a year, at its best around November.
When is the best time to visit St. Petersburg (Florida)?
The sunniest time to visit St. Petersburg (Florida) is November, when the Sunshine Score peaks at 87/100 (with January and February close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in St. Petersburg (Florida)?
June is the least sunny month in St. Petersburg (Florida), scoring 68/100 with about 226 mm of rain.
What is the sea temperature in St. Petersburg (Florida)?
The sea in St. Petersburg (Florida) ranges from about 16°C (January) to 32°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in St. Petersburg (Florida)?
The typical midday UV index in St. Petersburg (Florida) peaks around 9 (very high) in April, easing to about 4 (moderate) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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