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St Petersburg Weather in May
St Petersburg in May sees very high temperatures, with highs around 30°C (86°F) and overnight lows of 22°C (72°F). Rainfall is fairly high at around 79 mm (3.1 in) on average, so pack waterproofs just in case.
Rainfall in St Petersburg in May
Typically, you can expect about 7 days of rain this month, with 79 mm (3.1 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in St Petersburg in May
May in St Petersburg sees highs of 30°C (86°F) and lows of 22°C (72°F) overnight. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in St Petersburg in May
Expect sunny days throughout the month, with an estimated 312 hours of sunshine. This makes it a pleasant time to visit St Petersburg.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, October, November and December typically offer the best weather for St Petersburg.
St Petersburg Temperature in May
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
24%
Precipitation
79 mm (3.1 in)
Rainy days
7 days
Sunshine
312 hours *
Percentage Sunshine
74% *
* Data from: Clearwater, the United States of America (25 KM, 15 Miles).
St Petersburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St Petersburg - and find the best time to visit.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in St Petersburg in May
Warm but pleasant conditions in St Petersburg in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in St Petersburg in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
St Petersburg 3-Day Forecast
More climate data for St Petersburg
See the full St Petersburg climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
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