May weather forecast
Mountain Lake Park, MD

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Weather in May

The last month of the spring, May, is a refreshing month in Mountain Lake Park, Maryland, with an average temperature ranging between max 67.8°F (19.9°C) and min 48.7°F (9.3°C).

Temperature

Mountain Lake Park's weather in May presents a rise in the average high-temperature, moving from a mild 57.9°F (14.4°C) in April to an enjoyable 67.8°F (19.9°C). Throughout the month of May, the average temperature dips to a chilly 48.7°F (9.3°C) at night.

Humidity

The average relative humidity in May is 81%.

Rainfall

May is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.9" (99mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Mountain Lake Park. May is the last month it regularly snows. During 0.6 snowfall days, in May, Mountain Lake Park aggregates 0.94" (24mm) of snow. Throughout the year, there are 64.2 snowfall days, and 35.2" (894mm) of snow is accumulated.

Daylight

In Mountain Lake Park, the average length of the day in May 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, sunrise is at 5:52 am and sunset at 8:38 pm EDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Mountain Lake Park. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What is the average May temperature?

In May, the average high-temperature and low-temperature are 67.8°F (19.9°C) and 48.7°F (9.3°C) respectively.

What is the average humidity in May?

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

What is the wettest month?

May is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.9" (99mm) of precipitation.

How much does it rain in May?

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

What is the last month it snows?

May is the last month it regularly snows. 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?

The average day length in May in Mountain Lake Park is 14h and 22min.

When are sunrise and sunset in May?

In May, on the first day of the month, 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?

The average sunshine duration in May is 8.4h.

When is the highest UV index in Mountain Lake Park?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Mountain Lake Park, Maryland, USA

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