May weather forecastQuantico, MD
May
Weather in May
The last month of the spring, May, is a pleasant month in Quantico, Maryland, with an average temperature fluctuating between 56.8°F (13.8°C) and 71.8°F (22.1°C).Temperature
With the onset of May, Quantico's average high-temperature experiences a rise, moving from April's comfortable 62.8°F (17.1°C) to a pleasant 71.8°F (22.1°C). Quantico experiences an average low-temperature of 56.8°F (13.8°C) in the month of May.Humidity
The months with the highest humidity in Quantico are May, August and September, with an average relative humidity of 80%.Rainfall
In Quantico, in May, during 10.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Quantico, during the entire year, the rain falls for 113.9 days and collects up to 11.77" (299mm) of precipitation.Snowfall
In Quantico, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 16min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:54 pm. On the last day of May, in Quantico, sunrise is at 5:41 am and sunset at 8:20 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 threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Quantico, MD
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in May
Quantico, MD
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Quantico, MD
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Quantico, MD
- Average humidity in May: 80%
The months with the highest relative humidity are May, August and September (80%).
The months with the lowest relative humidity are January, February, March and April (75%).
Average rainfall in May
Quantico, MD
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in May
Quantico, MD
- Average rainfall days in May: 10.5 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in May
Quantico, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Quantico, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.2 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
Quantico, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in May
Quantico, MD
- Average sunshine days in May: 17.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in May
Quantico, 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
Quantico, MD
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Quantico, 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).





