May weather forecast
College Heights, MD

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Weather in May

The last month of the spring, May, is a moderately hot month in College Heights, Maryland, with an average temperature varying between 73.9°F (23.3°C) and 57°F (13.9°C).

Temperature

With the beginning of May, College Heights's average high-temperature sees an increase, transitioning from an enjoyable 64.8°F (18.2°C) in April to a moderately hot 73.9°F (23.3°C). During the month of May, an average low-temperature of 57°F (13.9°C) is recorded.

Humidity

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

Rainfall

In May, the rain falls for 17.9 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

Snowfall

In College Heights, snow does not fall in May through November.

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, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 6 in May translates into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the average May temperature?

College Heights in May has an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 57°F (13.9°C).

What are the most humid months?

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

What is the average humidity in May?

The average relative humidity in May is 76%.

How many days does it rain in May?

In College Heights, in May, it is raining for 17.9 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow?

May through November 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 Heights have in May?

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

When are sunrise and sunset in May in College Heights?

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 many hours of sunshine does College Heights have in May?

The average sunshine duration in May is 8.9h.

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.

How high is the UV index in May?

In College Heights, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health threat 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 Heights, MD

Average temperature in May - College Heights, MD
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in May
College Heights, MD

Average pressure in May - College Heights, 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 (29.94"Hg).

Average wind speed in May
College Heights, MD

Average wind speed in May - College Heights, MD
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
College Heights, MD

Average humidity in May - College Heights, 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 Heights, MD

Average rainfall in May - College Heights, MD
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in May
College Heights, MD

Average rainfall days in May - College Heights, MD
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in May
College Heights, MD

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

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in May
College Heights, MD

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

The month with the highest number of snowfall days is January (4.1 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 Heights, MD

Average daylight in May / Average sunshine in May - College Heights, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in May
College Heights, MD

Average sunshine days in May - College Heights, MD
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in May
College Heights, MD

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

Average cloud cover in May - College Heights, 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 29).

Average visibility in May
College Heights, MD

Average visibility in May - College Heights, 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).

College Heights, Maryland, USA

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