May weather forecast
Selby-on-the-Bay, MD

Weather in May

May, the last month of the spring in Selby-on-the-Bay, is a pleasant month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 57.7°F (14.3°C).

Temperature

In Selby-on-the-Bay, Maryland, the average high-temperature in May rises from a comfortable 62.2°F (16.8°C) in April to a pleasant 71.2°F (21.8°C). In Selby-on-the-Bay, in May, the average low-temperature is 57.7°F (14.3°C).

Humidity

With an average relative humidity of 78%, May is the most humid month in Selby-on-the-Bay.

Rainfall

In Selby-on-the-Bay, in May, it is raining for 13.8 days, with typically 0.87" (22mm) of accumulated precipitation. In Selby-on-the-Bay, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

In Selby-on-the-Bay, snow does not fall in April through October.

Ocean temperature

In May, the average ocean temperature in Selby-on-the-Bay is 57.7°F (14.3°C).
Note: Swimming in 57.7°F (14.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in May in Selby-on-the-Bay is 14h and 19min.
On the first day of May in Selby-on-the-Bay, sunrise is at 6:07 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:24 pm EDT.

Sunshine

In May, the average sunshine in Selby-on-the-Bay is 9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Selby-on-the-Bay. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 is the most humid month in Selby-on-the-Bay?

May is the most humid month in Selby-on-the-Bay, Maryland, with an average relative humidity of 78%.

What is the average humidity in May in Selby-on-the-Bay?

In May, the average relative humidity in Selby-on-the-Bay is 78%.

How many days does it rain in May in Selby-on-the-Bay?

In Selby-on-the-Bay, Maryland, in May, it is raining for 13.8 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Selby-on-the-Bay?

In Selby-on-the-Bay, snow does not fall in April through October.

How cold is the water in May in Selby-on-the-Bay?

In Selby-on-the-Bay, Maryland, the average seawater temperature in May is 57.7°F (14.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Selby-on-the-Bay have in May?

In May, the average day length in Selby-on-the-Bay, Maryland, is 14h and 19min.

When are sunrise and sunset in May in Selby-on-the-Bay?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:24 pm EDT.

How long on average sun shines in May in Selby-on-the-Bay?

The average sunshine duration in May in Selby-on-the-Bay, Maryland, is 9h.

What is the month with the highest UV index in Selby-on-the-Bay?

The months with the highest UV index in Selby-on-the-Bay, Maryland, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Selby-on-the-Bay?

In May, the average daily maximum UV index in Selby-on-the-Bay is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Selby-on-the-Bay, MD

Average temperature in May - Selby-on-the-Bay, MD
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in May
Selby-on-the-Bay, MD

Average pressure in May - Selby-on-the-Bay, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Selby-on-the-Bay, MD

Average wind speed in May - Selby-on-the-Bay, MD
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in May
Selby-on-the-Bay, MD

Average humidity in May - Selby-on-the-Bay, 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
Selby-on-the-Bay, MD

Average rainfall in May - Selby-on-the-Bay, MD
  • Average rainfall in May: 0.87"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in May
Selby-on-the-Bay, MD

Average rainfall days in May - Selby-on-the-Bay, MD
  • Average rainfall days in May: 13.8 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in May
Selby-on-the-Bay, MD

Average snowfall in May - Selby-on-the-Bay, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Selby-on-the-Bay, MD

Average snowfall days in May - Selby-on-the-Bay, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in May
Selby-on-the-Bay, MD

Average sea temperature in May - Selby-on-the-Bay, MD
  • Average sea temperature in May: 57.7°F

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).

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Average daylight in May /
Average sunshine in May
Selby-on-the-Bay, MD

Average daylight in May / Average sunshine in May - Selby-on-the-Bay, MD
  • Average daylight in May: 14h and 19min

The month with the longest days is June (Average daylight: 14h and 51min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in May: 9h and 0min

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
Selby-on-the-Bay, MD

Average sunshine days in May - Selby-on-the-Bay, MD
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in May
Selby-on-the-Bay, MD

Average UV index in May - Selby-on-the-Bay, 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 and December (UV index 2).

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Average cloud cover in May
Selby-on-the-Bay, MD

Average cloud cover in May - Selby-on-the-Bay, MD
  • Average cloud cover in May: 41

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
Selby-on-the-Bay, MD

Average visibility in May - Selby-on-the-Bay, 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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