Parkersburg
West Virginia, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Parkersburg, West VA

The last month of the spring, May, is a warm month in Parkersburg, West Virginia, with average temperature ranging between min 53.4°F (11.9°C) and max 74.5°F (23.6°C).

Temperature

In Parkersburg, West Virginia, the average high-temperature in May increases, from an enjoyable 63.7°F (17.6°C) in April, to a moderately hot 74.5°F (23.6°C). The average low-temperature, in May, is 53.4°F (11.9°C).

Humidity

In Parkersburg, West Virginia, the average relative humidity is 78%.

Rainfall

May is the month with the most rainfall in Parkersburg. Rain falls for 19.5 days and accumulates 3.43" (87mm) of precipitation.

Snowfall

In Parkersburg snow does not fall in May through September.

Daylight

In Parkersburg, West Virginia, the average length of the day is 14.4h.

Sunshine

In Parkersburg, the average sunshine in May is 8.8h.

UV index

In Parkersburg, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Parkersburg?

The average high-temperature, in May, in Parkersburg, is 74.5°F (23.6°C), while the average low-temperature is 53.4°F (11.9°C).

What is the average humidity in May in Parkersburg?

In Parkersburg, the average relative humidity in May is 78%.

How many days does it rain in May in Parkersburg?

In Parkersburg, West Virginia, during May, the rain falls for 19.5 days and regularly aggregates up to 3.43" (87mm) of precipitation.

What is the rainiest month in Parkersburg?

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.

Does it snow in Parkersburg in May?

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

When it does not snow in Parkersburg?

May through September are months without snowfall in Parkersburg, West Virginia.

How many hours of daylight does Parkersburg have in May?

The average length of the day in May in Parkersburg, West Virginia, is 14.4h.

How long on average sun shines in May in Parkersburg?

In May, the average sunshine in Parkersburg, West Virginia, is 8.8h.

What is the UV index intensity in May in Parkersburg?

In Parkersburg, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in May - Parkersburg, West VA
  • 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 humidity in May - Parkersburg, West VA
  • 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, West VA
  • 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, West VA
  • 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, West VA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.54").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May - Parkersburg, West VA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (13.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Parkersburg, West VA
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 8.8h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 3.5h).

Average UV index in May - Parkersburg, West VA
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).