May weather forecast
Edmonston, MD

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Weather in May

The last month of the spring, May, is a moderately hot month in Edmonston, Maryland, with an average temperature varying between 73.9°F (23.3°C) and 57°F (13.9°C).

Temperature

May brings a temperature increase, with average high-temperatures moving from April's comfortable 64.8°F (18.2°C) to a warm 73.9°F (23.3°C). In May, the nighttime temperature lowers to an average of 57°F (13.9°C).

Humidity

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

Rainfall

In May, the rain falls for 17.9 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

Snowfall

In Edmonston, snow does not fall in May through November.

Daylight

The average length of the day in May is 14h and 19min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:26 pm EDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Edmonston. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

During May, Edmonston experiences an average high-temperature of 73.9°F (23.3°C) and a low-temperature of 57°F (13.9°C).

What is the most humid month?

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

What is the average humidity in May?

In May, the average relative humidity is 76%.

How many days does it rain in May?

In May, the rain falls for 17.9 days. Throughout May, 2.99" (76mm) of precipitation is accumulated.

When it does not snow?

May through November are months without snowfall in Edmonston.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Edmonston have in May?

In Edmonston, Maryland, the average day length in May is 14h and 19min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Edmonston have in May?

In May, the average sunshine duration is 8.9h.

What is the month with the highest UV index?

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

What is the UV index intensity in May?

In Edmonston, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
Edmonston, MD

Average temperature in May - Edmonston, MD
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in May
Edmonston, MD

Average pressure in May - Edmonston, 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 (29.94"Hg).

Average wind speed in May
Edmonston, MD

Average wind speed in May - Edmonston, MD
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Edmonston, MD

Average humidity in May - Edmonston, MD
  • Average humidity in May: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in May
Edmonston, MD

Average rainfall in May - Edmonston, MD
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in May
Edmonston, MD

Average rainfall days in May - Edmonston, MD
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in May
Edmonston, MD

Average snowfall in May - Edmonston, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in May
Edmonston, MD

Average snowfall days in May - Edmonston, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Edmonston, MD

Average daylight in May / Average sunshine in May - Edmonston, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in May
Edmonston, MD

Average sunshine days in May - Edmonston, MD
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in May
Edmonston, MD

Average UV index in May - Edmonston, 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
Edmonston, MD

Average cloud cover in May - Edmonston, MD
  • Average cloud cover in May: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in May
Edmonston, MD

Average visibility in May - Edmonston, 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).

Edmonston, Maryland, USA

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