May weather forecast
Petersburg, VA

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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. Notably, sunshine duration extends to 14.2 hours as compared to April's 13.2 hours.

Temperature

The shift from April to May in Petersburg, Virginia, is marked by a slight increase in the average high-temperature, moving from an agreeable 68.4°F (20.2°C) to a moderately hot 77°F (25°C). May nights experience a consistent temperature drop to a moderate 58.5°F (14.7°C).

Humidity

In Petersburg, the average relative humidity in May is 77%.

Rainfall

In May, in Petersburg, Virginia, the rain falls for 12.2 days. Throughout May, 0.91" (23mm) of precipitation is accumulated. In Petersburg, Virginia, during the entire year, the rain falls for 109.6 days and collects up to 9.96" (253mm) of precipitation.

Snowfall

In Petersburg, snow does not fall in May through October.

Daylight

In Petersburg, the average length of the day in May is 14h and 11min.
On the first day of May, sunrise is at 6:13 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine in Petersburg, Virginia, is 9.4h.

UV index

The average daily maximum UV index in May in Petersburg is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Petersburg?

In May, the average high-temperature and low-temperature in Petersburg are 77°F (25°C) and 58.5°F (14.7°C) respectively.

What is the average humidity in May in Petersburg?

In May, the average relative humidity in Petersburg is 77%.

How many days does it rain in May in Petersburg?

In Petersburg, in May, during 12.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Petersburg?

May through October are months without snowfall in Petersburg, Virginia.

Does it snow in Petersburg in May?

In May, in Petersburg, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Petersburg have in May?

The average day length in May in Petersburg, Virginia, is 14h and 11min.

When is the sunrise / sunset in May in Petersburg?

On the first day of May, sunrise is at 6:13 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:23 pm EDT.

How long on average sun shines in May in Petersburg?

In May, the average sunshine duration is 9.4h.

What is the UV index reading in May in Petersburg?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Petersburg, VA

Average temperature in May - Petersburg, VA
  • Average high temperature in May: 77°F

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).

  • Average low temperature in May: 58.5°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 in May
Petersburg, VA

Average pressure in May - Petersburg, VA
  • Average pressure in May: 30.02"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 in May
Petersburg, VA

Average wind speed in May - Petersburg, VA
  • Average wind speed in May: 6.6mph

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 in May
Petersburg, VA

Average humidity in May - Petersburg, VA
  • Average humidity in May: 77%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).

Average rainfall in May
Petersburg, VA

Average rainfall in May - Petersburg, VA
  • Average rainfall in May: 0.91"

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 in May
Petersburg, VA

Average rainfall days in May - Petersburg, VA
  • Average rainfall days in May: 12.2 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 in May
Petersburg, VA

Average snowfall in May - Petersburg, VA
  • Average snowfall in May: 0"

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 in May
Petersburg, VA

Average snowfall days in May - Petersburg, VA
  • Average snowfall days in May: 0 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 in May /
Average sunshine in May
Petersburg, VA

Average daylight in May / Average sunshine in May - Petersburg, VA
  • Average daylight in May: 14h and 1min

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 May: 9h and 2min

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 in May
Petersburg, VA

Average sunshine days in May - Petersburg, VA
  • Average sunshine days in May: 15.3 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 in May
Petersburg, VA

Average UV index in May - Petersburg, VA
  • Average UV index in May: 6

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 in May
Petersburg, VA

Average cloud cover in May - Petersburg, VA
  • Average cloud cover in May: 41

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 in May
Petersburg, VA

Average visibility in May - Petersburg, VA
  • Average visibility in May: 5mi

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).

Petersburg, Virginia, USA

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