May weather forecast
Salem, VA

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Weather in May

May is the threshold to the heat of summer in Salem, with considerable rise in day time temperatures. The temperature variation for May ranges from lows of 52.3°F (11.3°C) to highs of 74.5°F (23.6°C). This month is also notable for a significant increase in rainfall. With 3.31" (84mm) of rain over 17.7 days, May is the rainiest month in Salem. Despite the weather fluctuations, it is an enjoyable time to explore the outdoors with longer daylight hours increasing UV exposure to a yearly high of 6.

Temperature

Salem's transition into May brings a rise in the average high-temperature, moving from an enjoyable 65.1°F (18.4°C) in April to a warm 74.5°F (23.6°C). Throughout May nights, Salem reports a steady thermal contrast from the day, with an average low-temperature of 52.3°F (11.3°C).

Humidity

May, September and December, with an average relative humidity of 77%, are the most humid months in Salem, Virginia.

Rainfall

May is the month with the most rainfall in Salem. Rain falls for 17.7 days and accumulates 3.31" (84mm) of precipitation.

Snowfall

In Salem, Virginia, snow does not fall in May through September.

Daylight

In May, the average length of the day in Salem is 14h and 11min.
On the first day of May in Salem, sunrise is at 6:24 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:34 pm EDT.

Sunshine

The average sunshine in May in Salem, Virginia, is 9.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In May, a regular UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the usual temperature for Salem in May?

The average high-temperature, in May, in Salem, is 74.5°F (23.6°C), while the average low-temperature is 52.3°F (11.3°C).

What is the most humid month in Salem?

May, September and December, with an average relative humidity of 77%, are most humid months in Salem, Virginia.

What is the average humidity in May in Salem?

In Salem, the average relative humidity in May is 77%.

What is the rainiest month in Salem?

The month with the most rainfall in Salem, Virginia, is May, when the rain falls for 17.7 days and typically aggregates up to 3.31" (84mm) of precipitation.

How much does it rain in Salem in May?

In May, in Salem, the rain falls for 17.7 days. Throughout May, 3.31" (84mm) of precipitation is accumulated.

When it does not snow in Salem?

May through September are months without snowfall in Salem.

Does it snow in Salem in May?

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

How many hours of daylight does Salem have in May?

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

When are sunrise and sunset in May in Salem?

In May, on the first day of the month, sunrise is at 6:24 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:34 pm EDT.

How many hours of sunshine does Salem have in May?

In Salem, Virginia, the average sunshine duration in May is 9.3h.

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

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

How high is the UV index in May in Salem?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Salem, VA

Average temperature in May - Salem, VA
  • Average high temperature in May: 74.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in May
Salem, VA

Average pressure in May - Salem, VA
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in May
Salem, VA

Average wind speed in May - Salem, VA
  • Average wind speed in May: 5.3mph

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

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Average humidity in May
Salem, VA

Average humidity in May - Salem, VA
  • Average humidity in May: 77%

The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in May
Salem, VA

Average rainfall in May - Salem, VA
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in May
Salem, VA

Average rainfall days in May - Salem, VA
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall in May
Salem, VA

Average snowfall in May - Salem, VA
  • Average snowfall in May: 0"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Salem, VA

Average snowfall days in May - Salem, VA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Salem, VA

Average daylight in May / Average sunshine in May - Salem, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in May
Salem, VA

Average sunshine days in May - Salem, VA
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in May
Salem, VA

Average UV index in May - Salem, 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, November and December (UV index 2).

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Average cloud cover in May
Salem, VA

Average cloud cover in May - Salem, VA
  • Average cloud cover in May: 41

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).

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Average visibility in May
Salem, VA

Average visibility in May - Salem, VA
  • Average visibility in May: 5mi

The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).

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Salem, Virginia, USA

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