May weather forecast
Whetstone, MD

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Weather in May

May, the last month of the spring in Whetstone, is a moderately hot month, with an average temperature fluctuating between 55°F (12.8°C) and 73.6°F (23.1°C).

Temperature

The arrival of May sees a shift in the average high-temperature, moving from a comfortable 63.9°F (17.7°C) in April to a warm 73.6°F (23.1°C). In Whetstone, the average nighttime temperature during May is a fresh 55°F (12.8°C).

Humidity

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

Rainfall

In Whetstone, Maryland, in May, during 17.4 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Whetstone, during the entire year, the rain falls for 154.8 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Whetstone aggregates 0.16" (4mm) of snow. Throughout the year, there are 16.7 snowfall days, and 9.76" (248mm) of snow is accumulated.

Daylight

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

Sunshine

In May, the average sunshine in Whetstone, Maryland, is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What are the temperatures in Whetstone in May?

During May, Whetstone experiences an average high-temperature of 73.6°F (23.1°C) and a low-temperature of 55°F (12.8°C).

What are the most humid months in Whetstone?

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

What is the average humidity in May in Whetstone?

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

How many days does it rain in May in Whetstone?

In Whetstone, Maryland, during May, the rain falls for 17.4 days and regularly aggregates up to 3.19" (81mm) of precipitation.

What is the last month it snows in Whetstone?

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

How many hours of daylight does Whetstone have in May?

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

What time are sunrise and sunset in May in Whetstone?

On the first day of May in Whetstone, 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 long on average sun shines in May in Whetstone?

In May, the average sunshine duration in Whetstone, Maryland, is 8.9h.

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

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

What is the UV index reading in May in Whetstone?

In Whetstone, the average daily maximum UV index in May 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
Whetstone, MD

Average temperature in May - Whetstone, 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
Whetstone, MD

Average pressure in May - Whetstone, 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
Whetstone, MD

Average wind speed in May - Whetstone, 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
Whetstone, MD

Average humidity in May - Whetstone, 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
Whetstone, MD

Average rainfall in May - Whetstone, 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
Whetstone, MD

Average rainfall days in May - Whetstone, 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
Whetstone, MD

Average snowfall in May - Whetstone, 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
Whetstone, MD

Average snowfall days in May - Whetstone, 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
Whetstone, MD

Average daylight in May / Average sunshine in May - Whetstone, 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
Whetstone, MD

Average sunshine days in May - Whetstone, 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
Whetstone, MD

Average UV index in May - Whetstone, 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
Whetstone, MD

Average cloud cover in May - Whetstone, 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
Whetstone, MD

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

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