May weather forecast
Flower Hill, MD

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Weather in May

May, the last month of the spring in Flower Hill, is a warm month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 73.6°F (23.1°C).

Temperature

May's onset brings a rise in the average high-temperature, moving from an enjoyable 63.9°F (17.7°C) in April to a moderately hot 73.6°F (23.1°C). Throughout May nights, Flower Hill experiences a consistent temperature average of 55°F (12.8°C).

Humidity

May, October and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Flower Hill, during May, the rain falls for 17.4 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, in Flower Hill, there are 154.8 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Flower Hill. May is the last month it regularly snows in Flower Hill. During 0.1 snowfall days, in May, Flower Hill aggregates 0.16" (4mm) of snow. In Flower Hill, during the entire year, snow falls for 16.7 days and aggregates up to 9.76" (248mm) of snow.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of May in Flower Hill, sunrise is at 6:09 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:28 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in May in Flower Hill?

In May, the average high-temperature and low-temperature are 73.6°F (23.1°C) and 55°F (12.8°C) respectively.

What is the most humid month in Flower Hill?

The months with the highest humidity are May, October and December, with an average relative humidity of 77%.

What is the average humidity in May in Flower Hill?

In May, the average relative humidity in Flower Hill is 77%.

How many days does it rain in May in Flower Hill?

In Flower Hill, in May, it is raining for 17.4 days, with typically 3.19" (81mm) of accumulated precipitation.

What is the last month it snows in Flower Hill?

May is the last month it regularly snows in Flower Hill. During 0.1 snowfall days, in May, Flower Hill aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Flower Hill?

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

What time are sunrise and sunset in May in Flower Hill?

On the first day of May, sunrise is at 6:09 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:28 pm EDT.

How many hours of sunshine does Flower Hill have in May?

In May, the average sunshine duration in Flower Hill is 8.9h.

What are the months with the highest UV index in Flower Hill?

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

How high is the UV index in May in Flower Hill?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe 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
Flower Hill, MD

Average temperature in May - Flower Hill, MD
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in May
Flower Hill, MD

Average pressure in May - Flower Hill, 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
Flower Hill, MD

Average wind speed in May - Flower Hill, MD
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in May
Flower Hill, MD

Average humidity in May - Flower Hill, MD
  • Average humidity in May: 77%

The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in May
Flower Hill, MD

Average rainfall in May - Flower Hill, MD
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").

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Average rainfall days in May
Flower Hill, MD

Average rainfall days in May - Flower Hill, MD
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in May
Flower Hill, MD

Average snowfall in May - Flower Hill, MD
  • Average snowfall in May: 0.16"

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

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Average snowfall days in May
Flower Hill, MD

Average snowfall days in May - Flower Hill, MD
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Flower Hill, MD

Average daylight in May / Average sunshine in May - Flower Hill, 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 months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days in May
Flower Hill, MD

Average sunshine days in May - Flower Hill, MD
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in May
Flower Hill, MD

Average UV index in May - Flower Hill, 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, February, November and December (UV index 2).

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Average cloud cover in May
Flower Hill, MD

Average cloud cover in May - Flower Hill, MD
  • Average cloud cover in May: 44

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
Flower Hill, MD

Average visibility in May - Flower Hill, 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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Flower Hill, Maryland, USA

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