May weather forecast
Sandy Spring, MD

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Weather in May

May, the last month of the spring in Sandy Spring, is a warm month, with an average temperature fluctuating between 73.9°F (23.3°C) and 55.8°F (13.2°C).

Temperature

Observing a rise in May, the average high-temperature goes from April's refreshing 64.2°F (17.9°C) to a moderately hot 73.9°F (23.3°C). Sandy Spring experiences a steady low-temperature of 55.8°F (13.2°C) throughout May.

Humidity

May, October and December, with an average relative humidity of 76%, are the most humid months in Sandy Spring.

Rainfall

In May, in Sandy Spring, the rain falls for 17.8 days. Throughout May, 3.23" (82mm) of precipitation is accumulated. In Sandy Spring, during the entire year, the rain falls for 160.9 days and collects up to 32.99" (838mm) of precipitation.

Snowfall

May through October are months without snowfall in Sandy Spring.

Daylight

The average length of the day in May in Sandy Spring is 14h and 20min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:01 pm. On the last day of May, in Sandy Spring, Maryland, sunrise is at 5:43 am and sunset at 8:27 pm EDT.

Sunshine

In May, the average sunshine in Sandy Spring is 8.8h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are May temperatures in Sandy Spring?

The high-temperature, in May, in Sandy Spring, is 73.9°F (23.3°C), while the low-temperature averages to 55.8°F (13.2°C).

What is the most humid month in Sandy Spring?

The months with the highest humidity in Sandy Spring, Maryland, are May, October and December, with an average relative humidity of 76%.

What is the average humidity in May in Sandy Spring?

In Sandy Spring, Maryland, the average relative humidity in May is 76%.

How many days does it rain in May in Sandy Spring?

In Sandy Spring, during May, the rain falls for 17.8 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Sandy Spring?

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

Does it snow in Sandy Spring in May?

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

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

The average day length in May is 14h and 20min.

When are sunrise and sunset in May in Sandy Spring?

On the first day of May in Sandy Spring, sunrise is at 6:08 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:27 pm EDT.

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

The average sunshine duration in May is 8.8h.

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

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

What is the UV index intensity in May in Sandy Spring?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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
Sandy Spring, MD

Average temperature in May - Sandy Spring, MD
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in May: 55.8°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in May
Sandy Spring, MD

Average pressure in May - Sandy Spring, MD
  • 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 (29.95"Hg).

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Average wind speed in May
Sandy Spring, MD

Average wind speed in May - Sandy Spring, MD
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in May
Sandy Spring, MD

Average humidity in May - Sandy Spring, MD
  • Average humidity in May: 76%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in May
Sandy Spring, MD

Average rainfall in May - Sandy Spring, MD
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in May
Sandy Spring, MD

Average rainfall days in May - Sandy Spring, MD
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in May
Sandy Spring, MD

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

The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Sandy Spring, MD

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

The months with the highest number of snowfall days are January and February (5.1 days).
The 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
Sandy Spring, MD

Average daylight in May / Average sunshine in May - Sandy Spring, MD
  • 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in May
Sandy Spring, MD

Average sunshine days in May - Sandy Spring, MD
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

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Average UV index in May
Sandy Spring, MD

Average UV index in May - Sandy Spring, MD
  • 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, November and December (UV index 2).

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Average cloud cover in May
Sandy Spring, MD

Average cloud cover in May - Sandy Spring, MD
  • Average cloud cover in May: 44

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in May
Sandy Spring, MD

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

The 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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Sandy Spring, Maryland, USA

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