May weather forecast
Fort Washington, MD

Weather in May

The last month of the spring, May, is a moderately hot month in Fort Washington, Maryland, with an average temperature ranging between min 56.8°F (13.8°C) and max 74.7°F (23.7°C).

Temperature

In May, the average high-temperature increases from a comfortable 65.1°F (18.4°C) in April to a moderately hot 74.7°F (23.7°C). In May, in Fort Washington, Maryland, the average low-temperature is 56.8°F (13.8°C).

Humidity

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

Rainfall

In Fort Washington, it is raining for 17.7 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, in Fort Washington, there are 158.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 18min.
On the first day of May in Fort Washington, sunrise is at 6:10 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:26 pm EDT.

Sunshine

The average sunshine in May in Fort Washington is 9h.

UV index

The months with the highest UV index in Fort Washington are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What are the most humid months in Fort Washington?

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

What is the average humidity in May in Fort Washington?

The average relative humidity in May is 76%.

How much does it rain in Fort Washington in May?

In May, in Fort Washington, the rain falls for 17.7 days. Throughout May, 2.95" (75mm) of precipitation is accumulated.

When it does not snow in Fort Washington?

In Fort Washington, Maryland, snow does not fall in May through October.

Does it snow in Fort Washington in May?

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

How many hours of daylight does Fort Washington have in May?

In May, the average day length is 14h and 18min.

When is the sunrise / sunset in May in Fort Washington?

In May, on the first day of the month, sunrise is at 6:10 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Fort Washington have in May?

In Fort Washington, Maryland, the average sunshine duration in May is 9h.

When is the highest UV index in Fort Washington?

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 Fort Washington?

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

Average temperature in May
Fort Washington, MD

Average temperature in May - Fort Washington, MD
  • Average high temperature in May: 74.7°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in May: 56.8°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in May
Fort Washington, MD

Average pressure in May - Fort Washington, 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
Fort Washington, MD

Average wind speed in May - Fort Washington, MD
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Fort Washington, MD

Average humidity in May - Fort Washington, MD
  • Average humidity in May: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in May
Fort Washington, MD

Average rainfall in May - Fort Washington, MD
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in May
Fort Washington, MD

Average rainfall days in May - Fort Washington, MD
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in May
Fort Washington, MD

Average snowfall in May - Fort Washington, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Fort Washington, MD

Average snowfall days in May - Fort Washington, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.5 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
Fort Washington, MD

Average daylight in May / Average sunshine in May - Fort Washington, MD
  • Average daylight in May: 14h and 18min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in May: 9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5.1h).

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Average sunshine days in May
Fort Washington, MD

Average sunshine days in May - Fort Washington, MD
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in May
Fort Washington, MD

Average UV index in May - Fort Washington, 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 and December (UV index 2).

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Average cloud cover in May
Fort Washington, MD

Average cloud cover in May - Fort Washington, MD
  • Average cloud cover in May: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in May
Fort Washington, MD

Average visibility in May - Fort Washington, 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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