The best times to visit Petersburg for ideal weather are
March 26th to June 10th
September 3rd to November 4th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Petersburg Travel Guide
Other Petersburg Travel Info
Weather in Petersburg
Average temperatures in Petersburg vary drastically. Considering humidity, temperatures feel very nice much of the year, but hot in the summer and cold in the winter with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 49th 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 Petersburg, the hottest months are July, June, and then August. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 92.5°F (33.6°C) with temperatures rarely dropping below 69.8°F (21°C) at night.
Petersburg Temperatures (Fahrenheit)
Petersburg Temperatures (Celsius)
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.
Petersburg Perceived Temperature (F)
Petersburg Perceived Temperature (C)
Average 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Petersburg are May, November, and then July. 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 late June with an average of 1 days of significant precipitation the week of June 25th.
When can you find snow in 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 Petersburg.
Snow on the Ground
The graph below shows the average snow on the ground in Petersburg (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Petersburg has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (46% relative humidity), and the most humid month is September (68.3%).
Wind in Petersburg is usually extremely calm. The windiest month is March, followed by February and April. March’s average wind speed of around 5.1 knots (5.8 MPH or 9.4 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 13.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Petersburg.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||4.4||Light breeze||11.5||Significant breeze|
|Feb||5||Light breeze||12.9||Significant breeze|
|Mar||5.1||Light breeze||12.7||Significant breeze|
|Apr||5||Light breeze||12.6||Significant breeze|
|May||3.8||Barely noticeable||10.7||Significant breeze|
|Jun||3.3||Barely noticeable||9.9||Gentle breeze|
|Jul||2.9||Barely noticeable||9.9||Significant breeze|
|Aug||2.7||Barely noticeable||9.4||Gentle breeze|
|Sep||3.3||Barely noticeable||9.6||Significant breeze|
|Oct||3.8||Barely noticeable||10.1||Gentle breeze|
|Nov||3.9||Barely noticeable||10.4||Significant breeze|
|Dec||3.9||Barely noticeable||10.3||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to 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 Petersburg, VA, US is July, followed by June and May. 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 Petersburg in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Petersburg Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 86.6°F (30.3°C) and 55.3°F (12.9°C) with warmer temperatures in the later months. Rain is rare with 0 to 2 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 1 to 2 days of precipitation per month. June – August is the busiest season for tourism in Petersburg, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 87.9°F (31.1°C) and 60.1°F (15.6°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 1 to 2 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is too cold this time of year in Petersburg to be enjoyable for warm weather travelers. The average high during this season is between 56.8°F (13.8°C) and 47.9°F (8.8°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the slowest with tourists.