May weather forecast
Diana, WV

Share

Weather in May

The last month of the spring, May, is an agreeable month in Diana, West Virginia, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 72.1°F (22.3°C).

Temperature

Diana's weather in May shows a rise in the average high-temperature, moving up from April's comfortable 61.9°F (16.6°C) to an agreeable 72.1°F (22.3°C). An average nighttime temperature of 52.3°F (11.3°C) is recorded during May.

Humidity

In Diana, the average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 21.5 days and accumulates 4.37" (111mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Diana. May is the last month it regularly snows in Diana, West Virginia. During 0.3 snowfall days, in May, Diana aggregates 0.47" (12mm) of snow. In Diana, during the entire year, snow falls for 58.6 days and aggregates up to 34.25" (870mm) of snow.

Daylight

In May, the average length of the day is 14h and 17min.
On the first day of the month, sunrise is at 6:23 am and sunset at 8:14 pm. On the last day of May, in Diana, sunrise is at 5:59 am and sunset at 8:40 pm EDT.

Sunshine

In May, the average sunshine is 9h.

UV index

In Diana, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Diana?

In Diana, 72.1°F (22.3°C) is the average high-temperature and 52.3°F (11.3°C) is the average low-temperature during May.

What is the average humidity in May in Diana?

In Diana, West Virginia, the average relative humidity in May is 79%.

What is the wettest month in Diana?

May is the month with the most rainfall in Diana. Rain falls for 21.5 days and accumulates 4.37" (111mm) of precipitation.

How much does it rain in Diana in May?

In Diana, West Virginia, in May, during 21.5 rainfall days, 4.37" (111mm) of precipitation is typically accumulated.

What is the last month it snows in Diana?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Diana aggregates 0.47" (12mm) of snow.

How many hours of daylight does Diana have in May?

In Diana, West Virginia, the average day length in May is 14h and 17min.

When is the sunrise / sunset in May in Diana?

On the first day of May in Diana, sunrise is at 6:23 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:40 pm EDT.

How many hours of sunshine does Diana have in May?

The average sunshine duration in May is 9h.

What is the UV index reading in May in Diana?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Diana, WV

Average temperature in May - Diana, WV
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in May
Diana, WV

Average pressure in May - Diana, WV
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in May
Diana, WV

Average wind speed in May - Diana, WV
  • Average wind speed in May: 5.7mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in May
Diana, WV

Average humidity in May - Diana, WV
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).

Average rainfall in May
Diana, WV

Average rainfall in May - Diana, WV
  • Average rainfall in May: 4.37"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in May
Diana, WV

Average rainfall days in May - Diana, WV
  • Average rainfall days in May: 21.5 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.9 days).

Average snowfall in May
Diana, WV

Average snowfall in May - Diana, WV
  • Average snowfall in May: 0.47"

The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Diana, WV

Average snowfall days in May - Diana, WV
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Diana, WV

Average daylight in May / Average sunshine in May - Diana, WV
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 0min

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 42min).

Average sunshine days in May
Diana, WV

Average sunshine days in May - Diana, WV
  • Average sunshine days in May: 7.8 days

The month with the most sunshine days is October (14.3 days).
The months with the least sunshine days are January and February (7.3 days).

Average UV index in May
Diana, WV

Average UV index in May - Diana, WV
  • Average UV index in May: 5

The months with the highest UV index are 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
Diana, WV

Average cloud cover in May - Diana, WV
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Diana, WV

Average visibility in May - Diana, WV
  • Average visibility in May: 5mi

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).

Diana, West Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location