May weather forecast
Harman, VA

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Weather in May

The last month of the spring, May, is a warm month in Harman, Virginia, with an average temperature fluctuating between 53.1°F (11.7°C) and 73.9°F (23.3°C).

Temperature

With the transition into May, Harman experiences an increase in average high-temperatures, moving up from a comfortable 64.9°F (18.3°C) in April to a warm 73.9°F (23.3°C). In Harman, May is marked by an average low-temperature of 53.1°F (11.7°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Harman, in May, it is raining for 18.6 days, with typically 2.99" (76mm) of accumulated precipitation. In Harman, during the entire year, the rain falls for 169.1 days and collects up to 32.09" (815mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Harman. During 0.2 snowfall days, in May, Harman aggregates 0.24" (6mm) of snow. Throughout the year, there are 36.4 snowfall days, and 22.36" (568mm) of snow is accumulated.

Daylight

In Harman, the average length of the day in May is 14h and 11min.
On the first day of May, sunrise is at 6:32 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:43 pm EDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Harman in May?

In Harman, in May, the average high-temperature is 73.9°F (23.3°C), and the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How much does it rain in May?

In Harman, Virginia, in May, it is raining for 18.6 days, with typically 2.99" (76mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows in Harman, Virginia. During 0.2 snowfall days, in May, Harman aggregates 0.24" (6mm) of snow.

How many hours of daylight does Harman have in May?

The average day length in May is 14h and 11min.

When is the sunrise / sunset in May in Harman?

On the first day of May, sunrise is at 6:32 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:43 pm EDT.

How many hours of sunshine does Harman have in May?

The average sunshine duration in May in Harman is 9.1h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in May?

In Harman, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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, VA

Average temperature in May - Harman, VA
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in May: 53.1°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in May
Harman, VA

Average pressure in May - Harman, VA
  • Average pressure in May: 30.02"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in May
Harman, VA

Average wind speed in May - Harman, VA
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in May
Harman, VA

Average humidity in May - Harman, VA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and November (76%).

Average rainfall in May
Harman, VA

Average rainfall in May - Harman, VA
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in May
Harman, VA

Average rainfall days in May - Harman, VA
  • Average rainfall days in May: 18.6 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in May
Harman, VA

Average snowfall in May - Harman, VA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Harman, VA

Average snowfall days in May - Harman, VA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (9.4 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, VA

Average daylight in May / Average sunshine in May - Harman, VA
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in May
Harman, VA

Average sunshine days in May - Harman, VA
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in May
Harman, VA

Average UV index in May - Harman, VA
  • Average UV index in May: 6

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

Average cloud cover in May
Harman, VA

Average cloud cover in May - Harman, VA
  • Average cloud cover in May: 42

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Harman, VA

Average visibility in May - Harman, VA
  • 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).

Harman, Virginia, USA

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