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
The start of May brings a rise in the average high-temperature, moving from a comfortable 64.9°F (18.3°C) in April to a warm 74.5°F (23.6°C). Glen Echo encounters a steady low-temperature average of 56.3°F (13.5°C) throughout the month of May.Humidity
In Glen Echo, the average relative humidity in May is 75%.Rainfall
In Glen Echo, during May, the rain falls for 17.1 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, there are 150.3 rainfall days, and 28.66" (728mm) of precipitation is accumulated.Snowfall
In Glen Echo, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 19min.On the first day of May, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:27 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 6 during May leads to these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow in Glen Echo?
Does it snow in May?
How many hours of daylight does Glen Echo have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Glen Echo, MD
- Average high temperature in May: 74.5°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Glen Echo, 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 (29.95"Hg).
Average wind speed in May
Glen Echo, MD
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Glen Echo, MD
- Average humidity in May: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Glen Echo, MD
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in May
Glen Echo, MD
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Glen Echo, 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 and October (0").
Average snowfall days in May
Glen Echo, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.4 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
Glen Echo, 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 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 0min).
Average sunshine days in May
Glen Echo, MD
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (20.4 days).
The months with the least sunshine days are May and July (12.3 days).
Average UV index in May
Glen Echo, 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, November and December (UV index 2).
Average cloud cover in May
Glen Echo, MD
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Glen Echo, 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).
Glen Echo, Maryland, USA
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