May weather forecast
Capitol Hills, MD

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Weather in May

May, the last month of the spring in Capitol Hills, is a pleasant month, with an average temperature fluctuating between 56.8°F (13.8°C) and 72.3°F (22.4°C).

Temperature

The shift from April to May brings an increase in the average high-temperature, moving from a comfortable 63.1°F (17.3°C) to a pleasant 72.3°F (22.4°C). Capitol Hills, in May, witnesses an average low-temperature of 56.8°F (13.8°C).

Humidity

With an average relative humidity of 77%, May is the most humid month.

Rainfall

In Capitol Hills, Maryland, during May, the rain falls for 18 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Capitol Hills, during the entire year, the rain falls for 157.2 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Capitol Hills, the average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:06 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:26 pm EDT.

Sunshine

In Capitol Hills, the average sunshine in May is 9.2h.

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 health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The average high-temperature, in May, in Capitol Hills, is 72.3°F (22.4°C), while the average low-temperature is 56.8°F (13.8°C).

What is the most humid month?

With an average relative humidity of 77%, May is the most humid month.

What is the average humidity in May?

The average relative humidity in May is 77%.

How many days does it rain in May?

In Capitol Hills, in May, it is raining for 18 days, with typically 2.95" (75mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

The average day length in May is 14h and 20min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:06 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Capitol Hills have in May?

In Capitol Hills, the average sunshine duration in May is 9.2h.

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?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Capitol Hills, MD

Average temperature in May - Capitol Hills, MD
  • Average high temperature in May: 72.3°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 56.8°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in May
Capitol Hills, MD

Average pressure in May - Capitol Hills, 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
Capitol Hills, MD

Average wind speed in May - Capitol Hills, MD
  • Average wind speed in May: 7.3mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Capitol Hills, MD

Average humidity in May - Capitol Hills, MD
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

Average rainfall in May
Capitol Hills, MD

Average rainfall in May - Capitol Hills, MD
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in May
Capitol Hills, MD

Average rainfall days in May - Capitol Hills, MD
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

Average snowfall in May
Capitol Hills, MD

Average snowfall in May - Capitol Hills, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Capitol Hills, MD

Average snowfall days in May - Capitol Hills, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Capitol Hills, MD

Average daylight in May / Average sunshine in May - Capitol Hills, 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 1min

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 6min).

Average sunshine days in May
Capitol Hills, MD

Average sunshine days in May - Capitol Hills, MD
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

Average UV index in May
Capitol Hills, MD

Average UV index in May - Capitol Hills, 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, November and December (UV index 2).

Average cloud cover in May
Capitol Hills, MD

Average cloud cover in May - Capitol Hills, MD
  • Average cloud cover in May: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in May
Capitol Hills, MD

Average visibility in May - Capitol Hills, 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).

Capitol Hills, Maryland, USA

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