May weather forecast
Mountain Lake Park, MD

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Weather in May

The last month of the spring, May, is a comfortable month in Mountain Lake Park, Maryland, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 67.8°F (19.9°C).

Temperature

A shift in the average high-temperature is noticeable in May, changing from a refreshing 57.9°F (14.4°C) in April to an enjoyable 67.8°F (19.9°C). In Mountain Lake Park, the average nighttime temperature during May is a frosty 48.7°F (9.3°C).

Humidity

In Mountain Lake Park, Maryland, the average relative humidity in May is 81%.

Rainfall

The month with the most rainfall in Mountain Lake Park is May, when the rain falls for 22.3 days and typically aggregates up to 3.9" (99mm) of precipitation.

Snowfall

Months with snowfall in Mountain Lake Park are January through May, October through December. May is the last month it regularly snows in Mountain Lake Park. During 0.6 snowfall days, in May, Mountain Lake Park aggregates 0.94" (24mm) of snow. In Mountain Lake Park, during the entire year, snow falls for 64.2 days and aggregates up to 35.2" (894mm) of snow.

Daylight

In May, the average length of the day is 14h and 22min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:11 pm. On the last day of May, in Mountain Lake Park, Maryland, sunrise is at 5:52 am and sunset at 8:38 pm EDT.

Sunshine

The average sunshine in May in Mountain Lake Park is 8.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the average May temperature in Mountain Lake Park?

The high-temperature during May is 67.8°F (19.9°C) and the low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Mountain Lake Park?

In May, the average relative humidity in Mountain Lake Park is 81%.

What is the rainiest month in Mountain Lake Park?

The month with the most rainfall in Mountain Lake Park is May, when the rain falls for 22.3 days and typically aggregates up to 3.9" (99mm) of precipitation.

How much does it rain in Mountain Lake Park in May?

In Mountain Lake Park, Maryland, in May, it is raining for 22.3 days, with typically 3.9" (99mm) of accumulated precipitation.

What is the last month it snows in Mountain Lake Park?

May is the last month it regularly snows in Mountain Lake Park. During 0.6 snowfall days, in May, Mountain Lake Park aggregates 0.94" (24mm) of snow.

What is the average length of the day in May in Mountain Lake Park?

In Mountain Lake Park, Maryland, the average day length in May is 14h and 22min.

When is the sunrise / sunset in May in Mountain Lake Park?

On the first day of May in Mountain Lake Park, sunrise is at 6:17 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:38 pm EDT.

How many hours of sunshine does Mountain Lake Park have in May?

In May, the average sunshine duration in Mountain Lake Park is 8.4h.

When is the highest UV index in Mountain Lake Park?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in May in Mountain Lake Park?

In Mountain Lake Park, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Mountain Lake Park, MD

Average temperature in May - Mountain Lake Park, MD
  • Average high temperature in May: 67.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in May
Mountain Lake Park, MD

Average pressure in May - Mountain Lake Park, 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 (29.96"Hg).

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Average wind speed in May
Mountain Lake Park, MD

Average wind speed in May - Mountain Lake Park, MD
  • Average wind speed in May: 6.6mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
Mountain Lake Park, MD

Average humidity in May - Mountain Lake Park, MD
  • Average humidity in May: 81%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).

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Average rainfall in May
Mountain Lake Park, MD

Average rainfall in May - Mountain Lake Park, MD
  • Average rainfall in May: 3.9"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (2.24").

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Average rainfall days in May
Mountain Lake Park, MD

Average rainfall days in May - Mountain Lake Park, MD
  • Average rainfall days in May: 22.3 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in May
Mountain Lake Park, MD

Average snowfall in May - Mountain Lake Park, MD
  • Average snowfall in May: 0.94"

The month with the highest snowfall is February (7.6").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Mountain Lake Park, MD

Average snowfall days in May - Mountain Lake Park, MD
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Mountain Lake Park, MD

Average daylight in May / Average sunshine in May - Mountain Lake Park, 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 24min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Mountain Lake Park, MD

Average sunshine days in May - Mountain Lake Park, MD
  • Average sunshine days in May: 6.9 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is May (6.9 days).

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Average UV index in May
Mountain Lake Park, MD

Average UV index in May - Mountain Lake Park, MD
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Mountain Lake Park, MD

Average cloud cover in May - Mountain Lake Park, MD
  • Average cloud cover in May: 50

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in May
Mountain Lake Park, MD

Average visibility in May - Mountain Lake Park, MD
  • Average visibility in May: 5mi

The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).

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Mountain Lake Park, Maryland, USA

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