May weather forecastChesapeake Beach, MD

May

Weather in May

May transforms Chesapeake Beach completely into a summer-ready region. Temperatures start hovering comfortably around the 70°F (21.1°C) mark, with the average high reaching 71.2°F (21.8°C) in May. Along with increased daylight of around 14.3 hours, May sees an increase in relative humidity. The town sees a significant rise in rainfall levels compared to April, receiving an average of 1.38" (35mm). The lush landscapes of Chesapeake Beach come alive with greenery during May, thanks to the warming temperatures and consistent showers.

Temperature

The arrival of May brings an increase in high-temperatures, moving from a comfortable 62.2°F (16.8°C) in April to a pleasant 71.2°F (21.8°C). During the month of May, Chesapeake Beach anticipates a mean low-temperature of 58.3°F (14.6°C).

Humidity

The most humid month is May, with an average relative humidity of 79%.

Rainfall

In Chesapeake Beach, in May, it is raining for 13.6 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Chesapeake Beach, there are 132.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Chesapeake Beach.

Ocean temperature

In Chesapeake Beach, in May, the average water temperature is 57.7°F (14.3°C).
Note: Without suitable protection, venturing into 57.7°F (14.3°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.

Daylight

In May, the average length of the day is 14h and 18min.
On the first day of May, sunrise is at 6:07 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:24 pm EDT.

Sunshine

In May, the average sunshine is 9.1h.

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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in May transforms into this advice:
Deflect overexposure. Sun protection is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in May, in Chesapeake Beach, is 71.2°F (21.8°C), while the average low-temperature is 58.3°F (14.6°C).

The most humid month is May, with an average relative humidity of 79%.

In May, the average relative humidity is 79%.

In Chesapeake Beach, in May, during 13.6 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

April through October are months without snowfall.

In May, the average ocean temperature 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.

In Chesapeake Beach, the average day length in May is 14h and 18min.

On the first day of May, sunrise is at 6:07 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:24 pm EDT.

In May, the average sunshine duration is 9.1h.

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

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

62.2°F

71.2°F

79.5°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.4mph

8.6mph

8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

12.3

13.6

13.4

Average snowfall

Average snowfall days

0.1

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.3

14.6

14.5

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Chesapeake Beach, 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 (40.6°F).

Average low temperature in May: 58.3°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in May
Chesapeake Beach, 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).

Average wind speed in May
Chesapeake Beach, MD

Average wind speed in May: 8mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in May
Chesapeake Beach, MD

Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in May
Chesapeake Beach, MD

Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in May
Chesapeake Beach, MD

Average rainfall days in May: 13.6 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in May
Chesapeake Beach, MD

Average snowfall in May: 0"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Chesapeake Beach, MD

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in May
Chesapeake Beach, 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).

Average daylight in May /
Average sunshine in May
Chesapeake Beach, MD

Average daylight in May: 14h and 18min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in May: 9h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in May
Chesapeake Beach, MD

Average sunshine days in May: 14.6 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

Average UV index in May
Chesapeake Beach, 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 and December (UV index 2).

Average cloud cover in May
Chesapeake Beach, MD

Average cloud cover in May: 41

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Chesapeake Beach, 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).