May weather forecast
Wheaton Hills, MD

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Weather in May

May, the last month of the spring in Wheaton Hills, is a warm month, with an average temperature fluctuating between 55.8°F (13.2°C) and 73.9°F (23.3°C).

Temperature

May brings a temperature change, with average high-temperatures moving from April's comfortable 64.2°F (17.9°C) to a warm 73.9°F (23.3°C). In May, Wheaton Hills experiences a temperature dip to an average of 55.8°F (13.2°C) at night.

Humidity

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

Rainfall

In Wheaton Hills, Maryland, in May, during 17.8 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, in Wheaton Hills, there are 160.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

In Wheaton Hills, snow does not fall in May through October.

Daylight

In May, the average length of the day in Wheaton Hills is 14h and 20min.
On the first day of May, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

Sunshine

In Wheaton Hills, the average sunshine in May is 8.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 6 suggests this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the temperature in May in Wheaton Hills?

Wheaton Hills in May has an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 55.8°F (13.2°C).

What is the most humid month in Wheaton Hills?

May, October and December, with an average relative humidity of 76%, are most humid months in Wheaton Hills, Maryland.

What is the average humidity in May in Wheaton Hills?

The average relative humidity in May is 76%.

How much does it rain in Wheaton Hills in May?

In Wheaton Hills, during May, the rain falls for 17.8 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Wheaton Hills?

In Wheaton Hills, Maryland, snow does not fall in May through October.

Does it snow in Wheaton Hills 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 Wheaton Hills?

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

When are sunrise and sunset in May in Wheaton Hills?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of the month, in Wheaton Hills, Maryland, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

How many hours of sunshine does Wheaton Hills have in May?

In May, the average sunshine duration is 8.8h.

What is the month with the highest UV index in Wheaton Hills?

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

What is the UV index intensity in May in Wheaton Hills?

The average daily maximum UV index in May in Wheaton Hills is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Wheaton Hills, MD

Average temperature in May - Wheaton Hills, MD
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in May: 55.8°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in May
Wheaton Hills, MD

Average pressure in May - Wheaton Hills, 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
Wheaton Hills, MD

Average wind speed in May - Wheaton Hills, MD
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in May
Wheaton Hills, MD

Average humidity in May - Wheaton Hills, MD
  • Average humidity in May: 76%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in May
Wheaton Hills, MD

Average rainfall in May - Wheaton Hills, MD
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in May
Wheaton Hills, MD

Average rainfall days in May - Wheaton Hills, MD
  • Average rainfall days in May: 17.8 days

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

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Average snowfall in May
Wheaton Hills, MD

Average snowfall in May - Wheaton Hills, MD
  • Average snowfall in May: 0"

The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Wheaton Hills, MD

Average snowfall days in May - Wheaton Hills, MD
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (5.1 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
Wheaton Hills, MD

Average daylight in May / Average sunshine in May - Wheaton Hills, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in May
Wheaton Hills, MD

Average sunshine days in May - Wheaton Hills, MD
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

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Average UV index in May
Wheaton Hills, MD

Average UV index in May - Wheaton Hills, 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
Wheaton Hills, MD

Average cloud cover in May - Wheaton Hills, MD
  • Average cloud cover in May: 44

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in May
Wheaton Hills, MD

Average visibility in May - Wheaton Hills, 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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Wheaton Hills, Maryland, USA

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