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 transition to May introduces an increase in the average high-temperature, shifting from a comfortable 63.1°F (17.3°C) in April to a pleasant 72.5°F (22.5°C). An average low-temperature of 55.2°F (12.9°C) is noted during the month of May.Humidity
The most humid month is May, with an average relative humidity of 77%.Rainfall
In May, the rain falls for 18.2 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. In Glenartney, during the entire year, the rain falls for 165.7 days and collects up to 31.77" (807mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 20min.On the first day of May, sunrise is at 6:07 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:27 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. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 6 in May suggests the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Glenartney have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Glenartney, MD
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in May
Glenartney, 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
Glenartney, MD
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Glenartney, MD
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in May
Glenartney, MD
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
Glenartney, MD
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in May
Glenartney, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Glenartney, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.9 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
Glenartney, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Glenartney, MD
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in May
Glenartney, 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
Glenartney, MD
- Average cloud cover in May: 44
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
Glenartney, 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).
Glenartney, Maryland, USA
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