May weather forecast
College Park, MD

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Weather in May

May ushers in the full warmth of spring in College Park, with temperatures continuing to rise. The city witnesses longer hours of daylight, allowing residents to soak up the sun for 14.3 hours daily. The weather remains wet, with the rainfall peaking at 2.95" (75mm) over a span of 17.7 days, the highest in the year. Wind speeds dwindle, pointing to calmer days ahead. Despite the increasing heat, pleasant breezes keep the climate bearable.

Temperature

College Park's transition into May is marked by a rise in the average high-temperature, advancing from a comfortable 65.1°F (18.4°C) in April to a warm 74.7°F (23.7°C). Throughout the month of May, the average temperature dips to a mild 56.8°F (13.8°C) at night.

Humidity

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

Rainfall

In College Park, Maryland, in May, during 17.7 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 158.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in College Park.

Daylight

In May, the average length of the day is 14h and 19min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of May, in College Park, Maryland, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

Sunshine

The average sunshine in May in College Park is 9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during May translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What is the average May temperature in College Park?

An average high-temperature, in May, in College Park, is 74.7°F (23.7°C) and the average low-temperature is 56.8°F (13.8°C).

What is the most humid month in College Park?

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

What is the average humidity in May in College Park?

In College Park, the average relative humidity in May is 76%.

How much does it rain in College Park in May?

In College Park, during May, the rain falls for 17.7 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When it does not snow in College Park?

May through October are months without snowfall.

Does it snow in College Park 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 in College Park?

In May, the average day length is 14h and 19min.

When is the sunrise / sunset in May in College Park?

On the first day of May in College Park, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

How many hours of sunshine does College Park have in May?

In May, the average sunshine duration in College Park, Maryland, is 9h.

When is the highest UV index in College Park?

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

How high is the UV index in May in College Park?

In May, the average daily maximum UV index in College Park is 6. A UV Index 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
College Park, MD

Average temperature in May - College Park, MD
  • Average high temperature in May: 74.7°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 (40.6°F).

  • Average low temperature in May: 56.8°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in May
College Park, MD

Average pressure in May - College Park, 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).

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Average wind speed in May
College Park, MD

Average wind speed in May - College Park, MD
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
College Park, MD

Average humidity in May - College Park, MD
  • Average humidity in May: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in May
College Park, MD

Average rainfall in May - College Park, MD
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in May
College Park, MD

Average rainfall days in May - College Park, MD
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in May
College Park, MD

Average snowfall in May - College Park, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
College Park, MD

Average snowfall days in May - College Park, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.5 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
College Park, MD

Average daylight in May / Average sunshine in May - College Park, 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: 9h and 0min

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 6min).

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Average sunshine days in May
College Park, MD

Average sunshine days in May - College Park, MD
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in May
College Park, MD

Average UV index in May - College Park, 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
College Park, MD

Average cloud cover in May - College Park, MD
  • Average cloud cover in May: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in May
College Park, MD

Average visibility in May - College Park, 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).

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College Park, Maryland, USA

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