Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In Merryman Heights, the onset of May comes with an increased average high-temperature, moving from April's enjoyable 62.2°F (16.8°C) to an agreeable 71.8°F (22.1°C). The average nighttime temperature lowers to a fresh 54.1°F (12.3°C) throughout May.Humidity
The most humid month is May, with an average relative humidity of 79%.Rainfall
In Merryman Heights, in May, during 17.7 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 159 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Merryman Heights, Maryland. During 0.1 snowfall days, in May, Merryman Heights aggregates 0.16" (4mm) of snow. Throughout the year, in Merryman Heights, there are 18.7 snowfall days, and 9.96" (253mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 22min.On the first day of May in Merryman Heights, Maryland, sunrise is at 6:07 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:28 pm EDT.
Sunshine
In May, the average sunshine in Merryman Heights is 8.5h.UV index
The months with the highest UV index in Merryman Heights, Maryland, are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed 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. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the average May temperature in Merryman Heights?
What is the most humid month in Merryman Heights?
What is the average humidity in May in Merryman Heights?
How many days does it rain in May in Merryman Heights?
What is the last month it snows in Merryman Heights?
What is the average length of the day in May in Merryman Heights?
What time are sunrise and sunset in May in Merryman Heights?
How many hours of sunshine does Merryman Heights have in May?
When is the highest UV index in Merryman Heights?
What is the UV index intensity in May in Merryman Heights?
Average temperature in May
Merryman Heights, MD
- Average high temperature in May: 71.8°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 (37.6°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in May
Merryman Heights, 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
Merryman Heights, MD
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Merryman Heights, MD
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in May
Merryman Heights, MD
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in May
Merryman Heights, MD
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in May
Merryman Heights, MD
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Merryman Heights, MD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Merryman Heights, 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 24min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in May
Merryman Heights, MD
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in May
Merryman Heights, 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).
Average cloud cover in May
Merryman Heights, MD
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Merryman Heights, 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).
Merryman Heights, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location
