The best times to visit St Petersburg for ideal weather are

October 29th to April 22nd

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.


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Other St Petersburg Travel Info

Weather in St Petersburg

Temperature

Average temperatures in St Petersburg vary somewhat. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 48th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit St Petersburg, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 90.7°F (32.6°C) with temperatures rarely dropping below 79.3°F (26.3°C) at night.

St Petersburg Temperatures (Fahrenheit)

Key
High
Average
Low

St Petersburg Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

St Petersburg Perceived Temperature (F)

Key
High
Average
Low

St Petersburg Perceived Temperature (C)

Key
High
Average
Low

 

Average St Petersburg Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
Jan69.861.555.4
Feb71.46357.2
Mar76.267.861.7
Apr8273.968
May86.87973.2
Jun89.582.577.1
Jul89.683.378.2
Aug90.384.178.9
Sep88.982.177.3
Oct8477.272.2
Nov76.96963.2
Dec73.565.459.7

Show Celsius

MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
Jan2116.413
Feb21.917.214
Mar24.619.916.5
Apr27.823.320
May30.426.122.9
Jun31.928.125.1
Jul3228.525.7
Aug32.428.926.1
Sep31.627.825.2
Oct28.925.122.3
Nov24.920.617.3
Dec23.118.615.4


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in St Petersburg are November, April, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid May. For example, on the week of May 7th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 3 days of significant precipitation the week of July 2nd.

When can you find snow in St Petersburg? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in St Petersburg.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in St Petersburg (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
Jan14%02.2
Feb12%01.9
Mar14%03
Apr10%02
May11%02.6
Jun30%05.9
Jul38%07.7
Aug40%08.8
Sep33%06.6
Oct14%02.1
Nov9%01.3
Dec10%01.2

Show Centimeters

MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
Jan1405.6
Feb1204.8
Mar1407.6
Apr1005.1
May1106.6
Jun30015
Jul38019.6
Aug40022.4
Sep33016.8
Oct1405.3
Nov903.3
Dec1003

 

Humidity and Wind

St Petersburg has some very humid months, and above average humidity throughout the year. The least humid month is May (60.3% relative humidity), and the most humid month is December (71.6%).

Wind in St Petersburg is usually moderate. The windiest month is May, followed by October and November. May’s average wind speed of around 8.3 knots (9.5 MPH or 15.3 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid to late August where average top sustained speeds reach 17 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in St Petersburg.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
Jan7.1Gentle breeze13Significant breeze
Feb7.2Gentle breeze13.1Significant breeze
Mar8.1Gentle breeze14.2Significant breeze
Apr8.1Gentle breeze14.4Significant breeze
May8.3Gentle breeze15.1Significant breeze
Jun7.2Gentle breeze15.5Significant breeze
Jul6.2Light breeze14.6Significant breeze
Aug6.8Light breeze15.8Significant breeze
Sep7.8Gentle breeze15.3Significant breeze
Oct8.2Gentle breeze13.9Significant breeze
Nov8.1Gentle breeze13.6Significant breeze
Dec7.2Gentle breeze12.7Significant breeze

Show Relative Humidity by Month

MonthAvg. Relative Humidity
Jan66.6%
Feb65.5%
Mar61.7%
Apr61.3%
May60.3%
Jun66.3%
Jul69.2%
Aug70.3%
Sep70.8%
Oct65.3%
Nov67.6%
Dec71.6%

 

Is it Safe to Travel to St Petersburg?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in St Petersburg, FL, US is March, followed by February and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit St Petersburg in September. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 64 in September means 64% of the tourists vs. March.


Overall St Petersburg Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 88.9°F (31.6°C) and 72.6°F (22.6°C) with warmer temperatures in the later months. Rain is rare with 3 to 4 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 9 to 12 days of precipitation per month. June – August is fairly slow season for tourism in St Petersburg, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 89.8°F (32.1°C) and 74.5°F (23.6°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 10 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is somewhat cool this time of year in St Petersburg to be enjoyable for warm weather travelers. The average high during this season is between 74.2°F (23.4°C) and 68.5°F (20.3°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the busiest with tourists.

 

Best Times to Travelthe United States › St Petersburg, FL, US


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