May weather forecast
Harman, WV

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Weather in May

May, the last month of the spring in Harman, is a refreshing month, with an average temperature fluctuating between 48.6°F (9.2°C) and 67.5°F (19.7°C).

Temperature

As April transitions into May, a change in temperatures is observed, with average highs moving from a moderate 57.7°F (14.3°C) to a comfortable 67.5°F (19.7°C). During May, Harman witnesses a consistent average low-temperature of 48.6°F (9.2°C).

Humidity

In Harman, the average relative humidity in May is 81%.

Rainfall

The month with the most rainfall in Harman is May, when the rain falls for 20.4 days and typically aggregates up to 3.66" (93mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Harman aggregates 1.02" (26mm) of snow. Throughout the year, there are 70.3 snowfall days, and 47.2" (1199mm) of snow is accumulated.

Daylight

In Harman, the average length of the day in May is 14h and 19min.
On the first day of May in Harman, West Virginia, sunrise is at 6:19 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:37 pm EDT.

Sunshine

In Harman, the average sunshine in May is 8.5h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Harman. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 5 in May translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Harman?

The high-temperature, in May, in Harman, is 67.5°F (19.7°C), while the low-temperature averages to 48.6°F (9.2°C).

What is the average humidity in May in Harman?

The average relative humidity in May in Harman, West Virginia, is 81%.

What is the rainiest month in Harman?

May is the month with the most rainfall in Harman. Rain falls for 20.4 days and accumulates 3.66" (93mm) of precipitation.

How many days does it rain in May in Harman?

In Harman, West Virginia, in May, it is raining for 20.4 days, with typically 3.66" (93mm) of accumulated precipitation.

What is the last month it snows in Harman?

May is the last month it regularly snows in Harman. During 0.8 snowfall days, in May, Harman aggregates 1.02" (26mm) of snow.

How many hours of daylight does Harman have in May?

In Harman, the average day length in May is 14h and 19min.

When is the sunrise / sunset in May in Harman?

In May, on the first day of the month, sunrise is at 6:19 am and sunset at 8:11 pm. On the last day of the month, in Harman, sunrise is at 5:54 am and sunset at 8:37 pm EDT.

How many hours of sunshine does Harman have in May?

In May, the average sunshine duration in Harman is 8.5h.

What are the months with the highest UV index in Harman?

The months with the highest UV index in Harman, West Virginia, are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in Harman?

The average daily maximum UV index in May in Harman, West Virginia, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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
Harman, WV

Average temperature in May - Harman, WV
  • Average high temperature in May: 67.5°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 48.6°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in May
Harman, WV

Average pressure in May - Harman, 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
Harman, WV

Average wind speed in May - Harman, WV
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in May
Harman, WV

Average humidity in May - Harman, WV
  • Average humidity in May: 81%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in May
Harman, WV

Average rainfall in May - Harman, WV
  • Average rainfall in May: 3.66"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in May
Harman, WV

Average rainfall days in May - Harman, WV
  • Average rainfall days in May: 20.4 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in May
Harman, WV

Average snowfall in May - Harman, WV
  • Average snowfall in May: 1.02"

The month with the highest snowfall is January (10.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Harman, WV

Average snowfall days in May - Harman, WV
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Harman, 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 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Harman, WV

Average sunshine days in May - Harman, WV
  • Average sunshine days in May: 8.4 days

The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is May (8.4 days).

Average UV index in May
Harman, WV

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Harman, WV

Average cloud cover in May - Harman, WV
  • Average cloud cover in May: 49

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in May
Harman, WV

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

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

Harman, West Virginia, USA

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