May weather forecast
Montana, WV

Share

Weather in May

The last month of the spring, May, is an agreeable month in Montana, West Virginia, with an average temperature ranging between min 51.4°F (10.8°C) and max 72.1°F (22.3°C).

Temperature

As April gives way to May, the average high-temperature displays an increase, moving from a comfortable 61.3°F (16.3°C) to a pleasant 72.1°F (22.3°C). Montana's average low-temperature during May nights is observed to be a cool 51.4°F (10.8°C).

Humidity

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

Rainfall

The month with the most rainfall is May, when the rain falls for 20.3 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Montana. May is the last month it regularly snows. During 0.2 snowfall days, in May, Montana aggregates 0.51" (13mm) of snow. Throughout the year, there are 58.4 snowfall days, and 29.09" (739mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 22min.
On the first day of May in Montana, sunrise is at 6:20 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:41 pm EDT.

Sunshine

In May, the average sunshine in Montana, West Virginia, is 8.5h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
[Resources]

Frequently asked questions

What is the temperature in May in Montana?

In Montana, 72.1°F (22.3°C) is the average high-temperature and 51.4°F (10.8°C) is the average low-temperature during May.

What is the average humidity in May in Montana?

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

What is the wettest month in Montana?

May is the month with the most rainfall. Rain falls for 20.3 days and accumulates 4.21" (107mm) of precipitation.

How much does it rain in Montana in May?

In Montana, West Virginia, in May, it is raining for 20.3 days, with typically 4.21" (107mm) of accumulated precipitation.

What is the last month it snows in Montana?

May is the last month it regularly snows in Montana, West Virginia. During 0.2 snowfall days, in May, Montana aggregates 0.51" (13mm) of snow.

What is the average length of the day in May in Montana?

The average day length in May is 14h and 22min.

When is the sunrise / sunset in May in Montana?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:41 pm EDT.

How many hours of sunshine does Montana have in May?

The average sunshine duration in May in Montana, West Virginia, is 8.5h.

When is the highest UV index in Montana?

May through July, with an average maximum UV index of 6, are months with the highest UV index in Montana, West Virginia.

How high is the UV index in May in Montana?

The average daily maximum UV index in May in Montana is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe 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
Montana, WV

Average temperature in May - Montana, WV
  • Average high temperature in May: 72.1°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 (35.6°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

[Resources]

Average pressure in May
Montana, WV

Average pressure in May - Montana, WV
  • Average pressure in May: 30"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).

[Resources]

Average wind speed in May
Montana, WV

Average wind speed in May - Montana, WV
  • Average wind speed in May: 5.6mph

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 (4.2mph).

[Resources]

Average humidity in May
Montana, WV

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

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

[Resources]

Average rainfall in May
Montana, WV

Average rainfall in May - Montana, WV
  • Average rainfall in May: 4.21"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").

[Resources]

Average rainfall days in May
Montana, WV

Average rainfall days in May - Montana, WV
  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).

[Resources]

Average snowfall in May
Montana, WV

Average snowfall in May - Montana, WV
  • Average snowfall in May: 0.51"

The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Montana, WV

Average snowfall days in May - Montana, WV
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in May / Average sunshine in May - Montana, 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 24min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

[Resources]

Average sunshine days in May
Montana, WV

Average sunshine days in May - Montana, WV
  • Average sunshine days in May: 8.8 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).

[Resources]

Average UV index in May
Montana, WV

Average UV index in May - Montana, WV
  • Average UV index in May: 6

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

[Resources]

Average cloud cover in May
Montana, WV

Average cloud cover in May - Montana, WV
  • Average cloud cover in May: 47

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).

[Resources]

Average visibility in May
Montana, WV

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

[Resources]

Montana, West Virginia, USA

Weather forecast for your location

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