May weather forecast
Aspen Hill, MD

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Weather in May

The last month of the spring, May, is a moderately hot month in Aspen Hill, Maryland, with an average temperature fluctuating between 55.8°F (13.2°C) and 73.9°F (23.3°C).

Temperature

Aspen Hill's transition into May brings a rise in the average high-temperature, moving from a comfortable 64.2°F (17.9°C) in April to a warm 73.9°F (23.3°C). The average low-temperature of 55.8°F (13.2°C) is witnessed during May.

Humidity

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

Rainfall

In Aspen Hill, during May, the rain falls for 17.8 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, there are 160.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

In Aspen Hill, snow does not fall in May through October.

Daylight

The average length of the day in May in Aspen Hill, Maryland, is 14h and 20min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

Sunshine

In Aspen Hill, Maryland, the average sunshine in May is 8.8h.

UV index

The months with the highest UV index in Aspen Hill are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, a regular UV index of 6 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the average May temperature in Aspen Hill?

During May, Aspen Hill experiences an average high-temperature of 73.9°F (23.3°C) and a low-temperature of 55.8°F (13.2°C).

What is the most humid month in Aspen Hill?

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

What is the average humidity in May in Aspen Hill?

In May, the average relative humidity is 76%.

How much does it rain in Aspen Hill in May?

In Aspen Hill, Maryland, in May, during 17.8 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow in Aspen Hill?

In Aspen Hill, snow does not fall in May through October.

Does it snow in Aspen Hill in May?

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

What is the average length of the day in May in Aspen Hill?

In May, the average day length is 14h and 20min.

When are sunrise and sunset in May in Aspen Hill?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of the month, in Aspen Hill, Maryland, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

How long on average sun shines in May in Aspen Hill?

The average sunshine duration in May in Aspen Hill, Maryland, is 8.8h.

When is the highest UV index in Aspen Hill?

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

What is the UV index reading in May in Aspen Hill?

In Aspen Hill, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
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
Aspen Hill, MD

Average temperature in May - Aspen Hill, 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
Aspen Hill, MD

Average pressure in May - Aspen Hill, 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
Aspen Hill, MD

Average wind speed in May - Aspen Hill, 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
Aspen Hill, MD

Average humidity in May - Aspen Hill, 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
Aspen Hill, MD

Average rainfall in May - Aspen Hill, 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
Aspen Hill, MD

Average rainfall days in May - Aspen Hill, 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
Aspen Hill, MD

Average snowfall in May - Aspen Hill, 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
Aspen Hill, MD

Average snowfall days in May - Aspen Hill, 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
Aspen Hill, MD

Average daylight in May / Average sunshine in May - Aspen Hill, 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
Aspen Hill, MD

Average sunshine days in May - Aspen Hill, 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
Aspen Hill, MD

Average UV index in May - Aspen Hill, 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
Aspen Hill, MD

Average cloud cover in May - Aspen Hill, 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
Aspen Hill, MD

Average visibility in May - Aspen Hill, 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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Aspen Hill, Maryland, USA

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