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

May's onset in College Park brings a temperature rise, moving from an enjoyable 65.1°F (18.4°C) in April to a moderately hot 74.7°F (23.7°C). Throughout the month of May, College Park witnesses an average temperature of 56.8°F (13.8°C).

Humidity

May, October and December, with an average relative humidity of 76%, are the most humid months in College Park.

Rainfall

In College Park, in May, during 17.7 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In College Park, during the entire year, the rain falls for 158.2 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

In May, the average sunshine 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 estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What are May temperatures?

In May, in College Park, the average high-temperature 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?

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

What is the average humidity in May?

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

How many days does it rain in May?

In College Park, in May, during 17.7 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

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

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

When is the sunrise / sunset in May?

In May, on the first day of the month, 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 long on average sun shines in May?

The average sunshine duration in May is 9h.

When is the highest UV index?

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

What is the UV index intensity in May?

The average daily maximum UV index in May in College Park is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

College Park, Maryland, USA

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