May weather forecast
Willowbrook, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Willowbrook, Maryland, with an average temperature ranging between max 72.1°F (22.3°C) and min 57.2°F (14°C).

Temperature

May's arrival brings a change in high-temperatures, moving from a comfortable 62.8°F (17.1°C) in April to a pleasant 72.1°F (22.3°C). Throughout the month of May, Willowbrook reports a steady low-temperature average of 57.2°F (14°C).

Humidity

The most humid month in Willowbrook is May, with an average relative humidity of 78%.

Rainfall

In Willowbrook, during May, the rain falls for 17.5 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Willowbrook, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May is 14h and 20min.
On the first day of May in Willowbrook, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine in Willowbrook is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Willowbrook. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the temperature in May in Willowbrook?

In May, in Willowbrook, the average high-temperature is 72.1°F (22.3°C), and the average low-temperature is 57.2°F (14°C).

What is the most humid month in Willowbrook?

The most humid month in Willowbrook, Maryland, is May, with an average relative humidity of 78%.

What is the average humidity in May in Willowbrook?

In Willowbrook, Maryland, the average relative humidity in May is 78%.

How many days does it rain in May in Willowbrook?

In Willowbrook, during May, the rain falls for 17.5 days and regularly aggregates up to 2.87" (73mm) of precipitation.

When it does not snow in Willowbrook?

May through October are months without snowfall in Willowbrook.

Does it snow in Willowbrook in May?

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

How many hours of daylight does Willowbrook have in May?

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

When are sunrise and sunset in May in Willowbrook?

On the first day of May, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

How long on average sun shines in May in Willowbrook?

In May, the average sunshine duration is 9.1h.

What are the months with the highest UV index in Willowbrook?

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

How high is the UV index in May in Willowbrook?

The average daily maximum UV index in May in Willowbrook, Maryland, is 6. A UV Index estimate of 6 to 7 represents a high health risk from 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
Willowbrook, MD

Average temperature in May - Willowbrook, MD
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 57.2°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in May
Willowbrook, MD

Average pressure in May - Willowbrook, 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
Willowbrook, MD

Average wind speed in May - Willowbrook, MD
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in May
Willowbrook, MD

Average humidity in May - Willowbrook, MD
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in May
Willowbrook, MD

Average rainfall in May - Willowbrook, MD
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Willowbrook, MD

Average rainfall days in May - Willowbrook, MD
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in May
Willowbrook, MD

Average snowfall in May - Willowbrook, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Willowbrook, MD

Average snowfall days in May - Willowbrook, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.4 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
Willowbrook, MD

Average daylight in May / Average sunshine in May - Willowbrook, 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: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in May
Willowbrook, MD

Average sunshine days in May - Willowbrook, MD
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in May
Willowbrook, MD

Average UV index in May - Willowbrook, 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
Willowbrook, MD

Average cloud cover in May - Willowbrook, MD
  • Average cloud cover in May: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Willowbrook, MD

Average visibility in May - Willowbrook, 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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Willowbrook, Maryland, USA

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