Climate and monthly weather forecastPetersburg, VA
Climate and monthly weather forecast
The climate of Petersburg
Situated within the humid subtropical climate zone, as defined by the Köppen climate classification, Petersburg, Virginia experiences no dry season and a prevalence of warm, humid conditions. Annual weather in Petersburg incorporates highs reaching up to 90.1°F (32.3°C) in July and dipping as low as 30°F (-1.1°C) in January. The fluctuation in humidity is relatively minimal with monthly averages revolving around 74% to 78% throughout the year.Petersburg experiences rainfall year-round with a peak in precipitation observed in the months of August at 1.22" (31mm) and May with 0.98" (25mm). Monthly average rainfall values do not deviate far from this peak, maintaining a steady stream of rainfall throughout the year. Months with the least rainfall can be identified as September and January, with 0.59" (15mm) and 0.71" (18mm) respectively.
Being part of a subtropical climate zone, snowfall is infrequent and generally low in Petersburg. Peak snowfall occurs in February and December with most months experiencing no snowfall. The wind speed remains relatively constant, with variations between 5.2mph (8.4km/h) in August to a maximum of 7.8mph (12.6km/h) in April.
The best time to visit Petersburg
The prime time for visiting Petersburg lies between April and June when the average temperatures range between 56.5°F (13.6°C) and 85.3°F (29.6°C), simultaneously coinciding with longer daylight hours. Specifically, June offers up to 14.7 daylight hours, paired with an impressive 10.6 hours of sunshine. This phase witnesses lower wind speeds and minimal snowfall, creating an optimal environment for outdoor activities and sightseeing.The worst time to visit Petersburg
Between January and February, the weather conditions in Petersburg can be a deterrent for visitors. During this period, temperatures can dip to lows of 30°F (-1.1°C) to 32.9°F (0.5°C), paired with snowfall occurring intermittently. Although snowfall isn't heavy, the reduced visibility due to clouds and lower number of daylight hours make it a less appealing time for tourists.Spring weather in Petersburg
Petersburg's spring weather from March to May offers a warming shift from the cold winters. Temperatures progressively rise from a high of 56.5°F (13.6°C) in March to 77°F (25°C) by May. Concurrently, the spring period experiences a steady increase in humidity and rainfall, peaking in May with 0.98" (25mm) of rainfall. The daylight hours escalate throughout spring, ensuring more sunlight exposure for outdoor excursions.Summer weather in Petersburg
From June to August, Petersburg experiences its peak temperatures, reaching up to 90.1°F (32.3°C) on average. This period features the least amount of cloud coverage and the highest UV index rating, touching 7 in July. Despite the warmth, rainfall is high, particularly in August with 1.22" (31mm) of precipitation. However, the summer season provides the ample sunlight with up to 14.7 hours of daylight in June, allowing one to make the most of Petersburg's outdoor attractions.Autumn weather in Petersburg
Autumn, between September and November, in Petersburg, sees a gradual decline in temperature with highs between 81.1°F (27.3°C) and 57.6°F (14.2°C). The rainfall in these months remains relatively low, particularly in September experiencing the lowest rainfall of the year with 0.59" (15mm). Concurrently, the hours of sunshine decrease, yet daylight persists from 12.4 in September to 10.2 hours in November.Winter weather in Petersburg
Winters in Petersburg are characterized by a significant drop in temperature, reaching lows of 30°F (-1.1°C) in January. Although snowfall isn’t a common occurrence, it is recorded sporadically in December and February. Despite the cooler weather, there is relatively little rainfall, especially in January with only 0.71" (18mm) which is amongst the lowest in the year. It's worth noting that daylight hours are the shortest during winter, with only 9.6 hours of daylight on average in December.Weather in January
January in Petersburg, Virginia starts off the year with moderately cold weather. Skies over the city mostly stay cloudy. The steadily blowing wind from the north is one key characteristic for January, adding to the chill factor. Weather in January »Weather in February
Despite it being the shortest month, February brings subtle but significant changes. This month tends to be marginally warmer than January, with temperatures making a slow but steady climb. Snow becomes slightly more frequent, hinting at the remaining wintery influence. Weather in February »Weather in March
March signals the onset of spring with milder temperatures and gradually increasing daylight hours. Signs of greenery start seeping back into the surroundings as the snow starts to fade away. The more abundant sunshine compared to previous months, makes this an appealing time for outdoor activities. Weather in March »Weather in April
In April, Petersburg, Virginia experiences a fair amount of rainfall with a relative increase in warmer temperatures. Spring truly sets in, and nature blooms in its full glory, heightened by longer sunlight hours. This month typically sees cloud cover receding, introducing clear skies more often. Weather in April »Weather in May
May, in Petersburg, Virginia, ushers in some of the most comfortable weather, characterized by temperate conditions and moderate rainfall. The terrain bursts with colours from blooming flowers under the spring sunshine. This pre-summer phase is characterized by slightly higher humidity, revealing the warmer season around the corner. Weather in May »Weather in June
By the time June arrives, summer starts asserting its presence in Petersburg, Virginia. With the mercury rising, the weather markedly gets warmer affirming the transition from spring. The city basks in extended daylight hours with a boost to the UV Index. Weather in June »Weather in July
July is in the middle of summer, and at this time, Petersburg, Virginia showcases its warmest weather of the year. While the serene blue skies invite outdoor adventures, the city is sometimes interrupted by scattered thundershowers. Weather in July »Weather in August
As summer begins to wind down, August continues with its high temperatures, but not quite surpassing July's peak. Climatic conditions in Petersburg, Virginia start shifting, as the amount of sunshine slightly reduces. The daylight hours slowly start to decrease, indicating a lean towards the onset of Autumn. Weather in August »Weather in September
September in Petersburg, Virginia, sees a more pronounced drop in temperature as autumn begins to take the stage. The shift in seasons is marked by shorter days and less relative sunshine. While the surroundings gradually transform into vibrant hues of red and orange, the UV index and humidity see a decrease. Weather in September »Weather in October
October imprints the full essence of Fall on Petersburg, Virginia. The Autumn leaves make a stunning display against the backdrop of the clear blue sky. Lower humidity, alongside milder temperatures, outlines the climatic characteristic of this month. Weather in October »Weather in November
In November, Petersburg, Virginia ushers in a noticeable reduction in temperature. The areal scenery transforms completely as most trees shed leaves in preparation for winter. The days become significantly shorter, leading to lesser daylight hours and more cloudy days. Weather in November »Weather in December
December, the final month in Petersburg, Virginia, wraps up the year with the onset of winter. The temperature falls substantially, leading to crisp and cold weather. Snow starts to make an appearance against the shortened daylight backdrop. Weather in December »Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Petersburg, January records the average lowest temperatures, peaking at 45.3°F (7.4°C) and reaching a low of 30°F (-1.1°C).
Throughout the year, in Petersburg, there are 109.6 rainfall days, and 9.96" (253mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
Throughout the year, there are 5.5 snowfall days, and 1.3" (33mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
The month with the most snowfall in Petersburg, Virginia, is February, when snow falls for 1.7 days and typically aggregates up to 0.35" (9mm) of snow.
February and December, with an average of 5.4h of sunshine, are months with the least sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
May through October are months without snowfall in Petersburg, Virginia.
With an average of 14h and 42min of daylight, June has the longest days of the year.
July, with average temperatures reaching a high of 90.1°F (32.3°C) and a low of 69.4°F (20.8°C), is the warmest month in Petersburg, Virginia.
July is the least humid month in Petersburg, with an average relative humidity of 71%.
With an average of 10.7h of sunshine, July has the most sunshine of the year in Petersburg, Virginia.
July is the month with the highest UV index in Petersburg, Virginia, with an average maximum UV index of 7.
August is the month with the most rainfall in Petersburg, Virginia. Rain falls for 12 days and accumulates 1.22" (31mm) of precipitation.
September is the month with the least rainfall. Rain falls for 9 days and accumulates 0.59" (15mm) of precipitation.
With an average relative humidity of 78%, December is the most humid month in Petersburg, Virginia.
With an average of 9h and 42min of daylight, December has the shortest days of the year in Petersburg.
Average temperature
Petersburg, VA
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.3°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure
Petersburg, VA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Petersburg, VA
- Average wind speed in January:
7mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.3mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Petersburg, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Petersburg, VA
- Average rainfall in January:
0.71" - Average rainfall in February:
0.94" - Average rainfall in March:
0.75" - Average rainfall in April:
0.79" - Average rainfall in May:
0.91" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.75" - Average rainfall in August:
1.22" - Average rainfall in September:
0.59" - Average rainfall in October:
0.63" - Average rainfall in November:
0.94" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is August (1.22").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days
Petersburg, VA
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
10 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
12.2 days - Average rainfall days in June:
10.5 days
- Average rainfall days in July:
11.5 days - Average rainfall days in August:
12 days - Average rainfall days in September:
9 days - Average rainfall days in October:
5.6 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is October (5.6 days).
Average snowfall
Petersburg, VA
The month with the highest snowfall is February (0.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Petersburg, VA
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
1.7 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Petersburg, VA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 24min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days
Petersburg, VA
- Average sunshine days in January:
21.7 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
18.5 days - Average sunshine days in April:
18.1 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
16.9 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
23.6 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is May (15.3 days).
Average UV index
Petersburg, VA
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Petersburg, VA
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Petersburg, VA
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
