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
The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 63.7°F (17.6°C) to a warm 74.5°F (23.6°C). In May, Parkersburg records an average nighttime temperature of 53.4°F (11.9°C).Humidity
In Parkersburg, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.5 days and typically aggregates up to 3.43" (87mm) of precipitation.Snowfall
In Parkersburg, snow does not fall in May through September.Daylight
In Parkersburg, the average length of the day in May is 14h and 21min.On the first day of May, sunrise is at 6:26 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:46 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Parkersburg have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Parkersburg, WV
- Average high temperature in May: 74.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in May: 53.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in May
Parkersburg, WV
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Parkersburg, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Parkersburg, WV
- Average humidity in May: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Parkersburg, WV
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Parkersburg, WV
- Average rainfall days in May: 19.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in May
Parkersburg, WV
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Parkersburg, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Parkersburg, 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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Parkersburg, WV
- Average sunshine days in May: 9.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in May
Parkersburg, WV
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Parkersburg, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Parkersburg, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Parkersburg, West Virginia, USA
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