May weather forecast
Quantico, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Quantico, Maryland, with an average temperature varying between 56.8°F (13.8°C) and 71.8°F (22.1°C).

Temperature

As May arrives, a rise in the average high-temperature is observed, moving from an enjoyable 62.8°F (17.1°C) in April to a pleasant 71.8°F (22.1°C). During May, the average low-temperature in Quantico is a mild 56.8°F (13.8°C).

Humidity

The months with the highest humidity in Quantico, Maryland, are May, August and September, with an average relative humidity of 80%.

Rainfall

In Quantico, in May, it is raining for 10.5 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, in Quantico, Maryland, there are 113.9 rainfall days, and 11.77" (299mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Quantico, the average length of the day in May is 14h and 16min.
On the first day of May, sunrise is at 6:05 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:20 pm EDT.

Sunshine

In May, the average sunshine in Quantico is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Quantico. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in May in Quantico?

The average high-temperature and low-temperature in Quantico, Maryland, during May are 71.8°F (22.1°C) and 56.8°F (13.8°C) respectively.

What are the most humid months in Quantico?

The months with the highest humidity in Quantico are May, August and September, with an average relative humidity of 80%.

What is the average humidity in May in Quantico?

In May, the average relative humidity in Quantico, Maryland, is 80%.

How many days does it rain in May in Quantico?

In Quantico, Maryland, during May, the rain falls for 10.5 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Quantico?

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

Does it snow in Quantico in May?

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

What is the average length of the day in May in Quantico?

The average day length in May in Quantico, Maryland, is 14h and 16min.

When are sunrise and sunset in May in Quantico?

On the first day of May in Quantico, Maryland, sunrise is at 6:05 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Quantico have in May?

The average sunshine duration in May is 9.1h.

What are the months with the highest UV index in Quantico?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

How high is the UV index in May in Quantico?

In May, the average daily maximum UV index in Quantico, Maryland, is 6. A UV Index value of 6 to 7 symbolizes 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, MD

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).

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Average pressure in May
Quantico, MD

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).

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Average wind speed in May
Quantico, MD

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).

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Average humidity in May
Quantico, MD

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%).

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Average rainfall in May
Quantico, MD

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").

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Average rainfall days in May
Quantico, MD

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).

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Average snowfall in May
Quantico, MD

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").

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Average snowfall days in May
Quantico, MD

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).

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Average daylight in May /
Average sunshine in May
Quantico, MD

Average daylight in May / Average sunshine in May - Quantico, MD
  • 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: 9h and 1min

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).

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Average sunshine days in May
Quantico, MD

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).

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Average UV index in May
Quantico, MD

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).

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Average cloud cover in May
Quantico, MD

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).

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Average visibility in May
Quantico, MD

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).

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Quantico, Maryland, USA

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