May weather forecast
Quantico, VA

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Weather in May

As the balmy months descend, May brings a noticeable increase in warmth with a high-temperature shift to 75.6°F (24.2°C). This period witnesses another surge in temperature and equally matches this with a higher level of humidity. Cloud cover fluctuates, alternating between bright sunlit days and slightly overcast skies. The landscape responds to this change - new leaves on the trees, vibrant flowers in full bloom, and the grass relishing the warmth. The city of Quantico ushers in the outdoor season with the promise of longer daylight hours and mild evenings.

Temperature

May's arrival coincides with a temperature rise, moving from April's comfortable 66.2°F (19°C) to a warm 75.6°F (24.2°C). Quantico's average low-temperature in May is measured at a mild 56.3°F (13.5°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Quantico, during May, the rain falls for 16.9 days and regularly aggregates up to 3.15" (80mm) of precipitation. In Quantico, during the entire year, the rain falls for 155.6 days and collects up to 31.61" (803mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 17min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:27 pm EDT.

Sunshine

In Quantico, Virginia, 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 ordinary individuals.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What is the temperature in May?

Quantico in May has an average high-temperature of 75.6°F (24.2°C) and an average low-temperature of 56.3°F (13.5°C).

What is the average humidity in May?

In May, the average relative humidity is 77%.

How much does it rain in May?

In May, the rain falls for 16.9 days. Throughout May, 3.15" (80mm) of precipitation is accumulated.

When it does not snow?

In Quantico, Virginia, snow does not fall in May through October.

Does it snow in May?

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

What is the average length of the day in May?

The average day length in May is 14h and 17min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:10 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:27 pm EDT.

How many hours of sunshine does Quantico have in May?

In Quantico, Virginia, the average sunshine duration in May 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 reading in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
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
Quantico, VA

Average temperature in May - Quantico, VA
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in May: 56.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in May
Quantico, VA

Average pressure in May - Quantico, VA
  • 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
Quantico, VA

Average wind speed in May - Quantico, VA
  • Average wind speed in May: 6mph

The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Quantico, VA

Average humidity in May - Quantico, VA
  • Average humidity in May: 77%

The months with the highest relative humidity are October and December (78%).
The months with the lowest relative humidity are January, April and July (73%).

Average rainfall in May
Quantico, VA

Average rainfall in May - Quantico, VA
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in May
Quantico, VA

Average rainfall days in May - Quantico, VA
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in May
Quantico, VA

Average snowfall in May - Quantico, VA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Quantico, VA

Average snowfall days in May - Quantico, VA
  • 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
Quantico, VA

Average daylight in May / Average sunshine in May - Quantico, VA
  • Average daylight in May: 14h and 2min

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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in May
Quantico, VA

Average sunshine days in May - Quantico, VA
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in May
Quantico, VA

Average UV index in May - Quantico, VA
  • 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
Quantico, VA

Average cloud cover in May - Quantico, VA
  • Average cloud cover in May: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Quantico, VA

Average visibility in May - Quantico, VA
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Quantico, Virginia, USA

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