United StatesAverage weather for St. Petersburg in May
It's hot in May in St. Petersburg with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 22°C and 25°C.
Start of May
The month of May starts in St. Petersburg with hot temps, averaging around 30°C during the day and nights around 23°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid May
By mid-May, daytime temps stay steady at around 30°C, with nights around 24°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of May
By the end of May, the average daytime temperature in St. Petersburg is around 32°C, while nighttime temps are about 25°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Water temperature
The water temperature at St. Petersburg is 29°C this month. Nice and warm for a swim.
In May, there is an average of 95 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
St. Petersburg in May |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 22°C | |
 Max. temperature |
32°C | 28°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
95 mm | 105 mm | |
| Rainy days |
7 days | 14 days | |
April
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit St. Petersburg?
May is a good month to be in St. Petersburg for sunny weather. You’ll have high temperatures and not too much rain.
The hurricane season in St. Petersburg runs from June to November.
Temperature records
With 34°C in 2015, St. Petersburg reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 22°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 27°C.
Check out the climate of St. Petersburg for all months and discover the best travel time
Daily Temperature in May in St. Petersburg
This chart shows the average daily high and low temperatures in May for St. Petersburg, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in St. Petersburg
The chart below shows the average daily precipitation in May for St. Petersburg, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 7 days of precipitation in St. Petersburg.
Daily UV index in May in St. Petersburg
This chart shows the average daily UV index in May in St. Petersburg, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in St. Petersburg over the years
This chart shows the average temperature in May in St. Petersburg, measured in degrees Celsius, over the past few years.
Total precipitation in May in St. Petersburg over the years
This chart shows the average precipitation in May in St. Petersburg, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for St. Petersburg
Click on any day in May to get detailed info about the usual weather on that day in St. Petersburg. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in St. Petersburg
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Average weather in St. Petersburg by month
Click on a month below to see detailed weather info for St. Petersburg. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of St. Petersburg for all months at once
