May weather forecast
Walker Mill, MD

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Weather in May

The last month of the spring, May, is a moderately hot month in Walker Mill, Maryland, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 57°F (13.9°C).

Temperature

With the onset of May, Walker Mill sees a temperature rise, with the average high-temperature moving from April's comfortable 64.4°F (18°C) to a warm 73.6°F (23.1°C). Walker Mill witnesses a consistent average low-temperature of 57°F (13.9°C) throughout May.

Humidity

May is the most humid month in Walker Mill, with an average relative humidity of 77%.

Rainfall

In Walker Mill, in May, it is raining for 17.7 days, with typically 3.03" (77mm) of accumulated precipitation. In Walker Mill, during the entire year, the rain falls for 164.8 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

In Walker Mill, snow does not fall in May through October.

Daylight

In Walker Mill, the average length of the day in May is 14h and 19min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:26 pm EDT.

Sunshine

In Walker Mill, Maryland, the average sunshine in May is 9.1h.

UV index

The months with the highest UV index in Walker Mill are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 6 in May translates into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What is the usual temperature for Walker Mill in May?

May temperatures in Walker Mill, Maryland, vary between a high-temperature of 73.6°F (23.1°C) and a low-temperature of 57°F (13.9°C).

What is the most humid month in Walker Mill?

The most humid month is May, with an average relative humidity of 77%.

What is the average humidity in May in Walker Mill?

In Walker Mill, Maryland, the average relative humidity in May is 77%.

How much does it rain in Walker Mill in May?

In Walker Mill, in May, during 17.7 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

When it does not snow in Walker Mill?

May through October are months without snowfall in Walker Mill.

Does it snow in Walker Mill in May?

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

What is the average length of the day in May in Walker Mill?

In May, the average day length in Walker Mill is 14h and 19min.

When is the sunrise / sunset in May in Walker Mill?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, in Walker Mill, Maryland, sunrise is at 5:44 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Walker Mill have in May?

In May, the average sunshine duration in Walker Mill, Maryland, is 9.1h.

What are the months with the highest UV index in Walker Mill?

The months with the highest UV index in Walker Mill, Maryland, are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Walker Mill?

In May, the average daily maximum UV index in Walker Mill, Maryland, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Walker Mill, MD

Average temperature in May - Walker Mill, MD
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in May
Walker Mill, MD

Average pressure in May - Walker Mill, 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 (29.94"Hg).

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Average wind speed in May
Walker Mill, MD

Average wind speed in May - Walker Mill, MD
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

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Average humidity in May
Walker Mill, MD

Average humidity in May - Walker Mill, MD
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and April (72%).

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Average rainfall in May
Walker Mill, MD

Average rainfall in May - Walker Mill, MD
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in May
Walker Mill, MD

Average rainfall days in May - Walker Mill, MD
  • Average rainfall days in May: 17.7 days

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

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Average snowfall in May
Walker Mill, MD

Average snowfall in May - Walker Mill, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Walker Mill, MD

Average snowfall days in May - Walker Mill, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.6 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
Walker Mill, MD

Average daylight in May / Average sunshine in May - Walker Mill, MD
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in May
Walker Mill, MD

Average sunshine days in May - Walker Mill, MD
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in May
Walker Mill, MD

Average UV index in May - Walker Mill, 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
Walker Mill, MD

Average cloud cover in May - Walker Mill, MD
  • Average cloud cover in May: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in May
Walker Mill, MD

Average visibility in May - Walker Mill, MD
  • Average visibility in May: 6mi

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

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Walker Mill, Maryland, USA

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