Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
An increase in the average high-temperature marks May, moving from April's refreshing 60.8°F (16°C) to an agreeable 71.2°F (21.8°C). In Petersburg, following the steep rise of daytime temperatures, an average nighttime low of 49.5°F (9.7°C) is anticipated during May.Humidity
In Petersburg, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall in Petersburg is May, when the rain falls for 18.3 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Petersburg. May is the last month it regularly snows in Petersburg. During 0.3 snowfall days, in May, Petersburg aggregates 0.16" (4mm) of snow. In Petersburg, during the entire year, snow falls for 37.9 days and aggregates up to 15.91" (404mm) of snow.Daylight
In Petersburg, the average length of the day in May is 14h and 19min.On the first day of May in Petersburg, sunrise is at 6:17 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:35 pm EDT.
Sunshine
The average sunshine in May in Petersburg is 9.1h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 5 in May translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Petersburg?
What is the average humidity in May in Petersburg?
What is the rainiest month in Petersburg?
How much does it rain in Petersburg in May?
What is the last month it snows in Petersburg?
What is the average length of the day in May in Petersburg?
What time are sunrise and sunset in May in Petersburg?
How long on average sun shines in May in Petersburg?
How high is the UV index in May in Petersburg?
Average temperature in May
Petersburg, WV
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Petersburg, WV
- Average pressure in May: 30.01"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, WV
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Petersburg, WV
- Average humidity in May: 78%
The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).
Average rainfall in May
Petersburg, WV
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in May
Petersburg, WV
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in May
Petersburg, WV
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Petersburg, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Petersburg, WV
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Petersburg, WV
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in May
Petersburg, WV
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Petersburg, WV
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Petersburg, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).
Petersburg, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location