May weather forecast and climate
Silver Spring, MD

Weather in May

May, the last month of the spring, in Silver Spring, is a warm month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 56.5°F (13.6°C).

Temperature

In May, the average high-temperature increases, from a comfortable 64.9°F (18.3°C) in April, to a warm 74.3°F (23.5°C). The average low-temperature, in May, is 56.5°F (13.6°C).

Humidity

May, October and December, with an average relative humidity of 75%, are most humid months.

Rainfall

In Silver Spring, it is raining for 17.7 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 154.8 rainfall days, and 30.28" (769mm) of precipitation is accumulated.

Snowfall

In Silver Spring snow does not fall through October.

Daylight

In Silver Spring, the average length of the day in May is 14.3h.

Sunshine

In May, the average sunshine is 8.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Silver Spring. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the most humid month in Silver Spring?

Months with the highest humidity are May, October and December, with an average relative humidity of 75%.

What is the average humidity in May in Silver Spring?

In May, the average relative humidity in Silver Spring, Maryland, is 75%.

How much does it rain in Silver Spring in May?

In May, the rain falls for 17.7 days. Throughout May, 2.87" (73mm) of precipitation is accumulated.

When it does not snow in Silver Spring?

In Silver Spring, Maryland, snow does not fall in May through October.

Does it snow in Silver Spring in May?

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

How many hours of daylight does Silver Spring have in May?

In May, the average length of the day is 14.3h.

How long on average sun shines in May in Silver Spring?

In Silver Spring, Maryland, the average sunshine in May is 8.6h.

What is the month with the highest UV index in Silver Spring?

Months with the highest UV index in Silver Spring, Maryland, are May through August, with an average maximum UV index of 6.

How high is the UV index in May in Silver Spring?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.

Average temperature in May
Silver Spring, MD

Average temperature in May - Silver Spring, MD
  • Average high temperature in May: 74.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 56.5°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in May
Silver Spring, MD

Average pressure in May - Silver Spring, MD
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in May
Silver Spring, MD

Average wind speed in May - Silver Spring, MD
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
Silver Spring, MD

Average humidity in May - Silver Spring, MD
  • Average humidity in May: 75%

Months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in May
Silver Spring, MD

Average rainfall in May - Silver Spring, MD
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in May
Silver Spring, MD

Average rainfall days in May - Silver Spring, MD
  • 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 (8.5 days).

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Average snowfall in May
Silver Spring, MD

Average snowfall in May - Silver Spring, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.87").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Silver Spring, MD

Average snowfall days in May - Silver Spring, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Silver Spring, MD

Average daylight in May / Average sunshine in May - Silver Spring, MD
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 8.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in May
Silver Spring, MD

Average sunshine days in May - Silver Spring, MD
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index in May
Silver Spring, MD

Average UV index in May - Silver Spring, MD
  • Average UV index in May: 6

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

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Average cloud cover in May
Silver Spring, MD

Average cloud cover in May - Silver Spring, MD
  • Average cloud cover in May: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in May
Silver Spring, MD

Average visibility in May - Silver Spring, MD
  • Average visibility in May: 5mi

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

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