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

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Weather in May

May is an enchanting month in Selby-on-the-Bay, emanating a warm welcoming glow with desirable weather conditions. A significant increase is witnessed in the temperature range, soaring up to 71.2°F (21.8°C), making it the warmest month yet. The city is abuzz with activities, as residents and tourists take advantage of the pleasant warm weather and increased sunshine hours. The escalation in temperature also leads to a rise in humidity, often leading to afternoon showers, providing a refreshing firmament to evenings. May is indeed a beguiling time in Selby-on-the-Bay and invites all to partake in its many allures.

Temperature

As April gives way to May, the average high-temperature displays an increase, moving from an enjoyable 62.2°F (16.8°C) to a pleasant 71.2°F (21.8°C). Throughout May, the nighttime temperature averages to a moderate 57.7°F (14.3°C).

Humidity

With an average relative humidity of 78%, May is the most humid month.

Rainfall

In Selby-on-the-Bay, in May, during 13.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. 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 Selby-on-the-Bay, the average seawater temperature in May is 57.7°F (14.3°C).
Note: 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.

Daylight

The average length of the day in May is 14h and 19min.
On the first day of May, sunrise is at 6:07 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 Selby-on-the-Bay, the average sunshine in May is 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 of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in May translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the usual temperature for Selby-on-the-Bay in May?

During May, Selby-on-the-Bay experiences an average high-temperature of 71.2°F (21.8°C) and a low-temperature of 57.7°F (14.3°C).

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 is 78%.

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

In Selby-on-the-Bay, 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?

April through October are months without snowfall in Selby-on-the-Bay.

What is the ocean temperature 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). Swimming in 57.7°F (14.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May in Selby-on-the-Bay?

In Selby-on-the-Bay, the average day length in May 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 7:59 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 Selby-on-the-Bay?

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

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

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

How high is the UV index in May in Selby-on-the-Bay?

In Selby-on-the-Bay, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
62.2°F 16.8°C
71.2°F 21.8°C
79.3°F 26.3°C
Average low temperature
48.2°F 9°C
57.7°F 14.3°C
66.7°F 19.3°C
Average pressure
29.99" 762mmHg
30.01" 762mmHg
29.94" 760mmHg
Average wind speed
9.7mph 15.6km/h
8mph 12.9km/h
7.5mph 12.1km/h
Average max. wind speed
10.5mph 16.9km/h
8.6mph 13.8km/h
8.1mph 13km/h
Average wind speed gusts
16mph 25.7km/h
13.2mph 21.2km/h
12.2mph 19.6km/h
Average humidity
72%
78%
76%
Average rainfall
0.75" 19mm
0.87" 22mm
1.26" 32mm
Average rainfall days
11.3
13.8
12.8
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0.1
0
0
Average sea temperature
52°F 11.1°C
57.7°F 14.3°C
69.3°F 20.7°C
Average daylight
13h 1min
14h 2min
14h 5min
Average sunshine
8h 5min
9h 0min
10h 2min
Average sunshine days
17
14.7
14.8
Average UV index
4
6
6
Average cloud cover
40%
41%
31%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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 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 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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Selby-on-the-Bay, Maryland, USA

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