May weather forecast
Clarksburg, MD

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Weather in May

The last month of the spring, May, is a warm month in Clarksburg, Maryland, with an average temperature fluctuating between 54.9°F (12.7°C) and 73.6°F (23.1°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a refreshing 63.5°F (17.5°C) in April to a warm 73.6°F (23.1°C). In May, the average low-temperature is a fresh 54.9°F (12.7°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Clarksburg, in May, during 17.5 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 159.4 rainfall days, and 30.71" (780mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Clarksburg aggregates 0.16" (4mm) of snow. Throughout the year, in Clarksburg, there are 19.1 snowfall days, and 10.04" (255mm) of snow is accumulated.

Daylight

In Clarksburg, the average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:09 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:29 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

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 risk from unsafe exposure to UV radiation for average individuals.
Note: In May, a regular UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Clarksburg, is 73.6°F (23.1°C) and the average low-temperature is 54.9°F (12.7°C).

What is the average humidity in May?

In May, the average relative humidity is 77%.

How many days does it rain in May?

In Clarksburg, in May, it is raining for 17.5 days, with typically 3.15" (80mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Clarksburg aggregates 0.16" (4mm) of snow.

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

In Clarksburg, the average day length in May is 14h and 20min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:29 pm EDT.

How many hours of sunshine does Clarksburg have in May?

In Clarksburg, the average sunshine duration in May is 8.8h.

What are the months with the highest UV index?

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

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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
Clarksburg, MD

Average temperature in May - Clarksburg, MD
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 54.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in May
Clarksburg, MD

Average pressure in May - Clarksburg, 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
Clarksburg, MD

Average wind speed in May - Clarksburg, MD
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in May
Clarksburg, MD

Average humidity in May - Clarksburg, MD
  • Average humidity in May: 77%

The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in May
Clarksburg, MD

Average rainfall in May - Clarksburg, MD
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").

Average rainfall days in May
Clarksburg, MD

Average rainfall days in May - Clarksburg, MD
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).

Average snowfall in May
Clarksburg, MD

Average snowfall in May - Clarksburg, MD
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Clarksburg, MD

Average snowfall days in May - Clarksburg, MD
  • Average snowfall days in May: 0.1 days

The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Clarksburg, 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 January (Average sunshine: 5h and 0min).

Average sunshine days in May
Clarksburg, MD

Average sunshine days in May - Clarksburg, MD
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in May
Clarksburg, MD

Average UV index in May - Clarksburg, 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, February, November and December (UV index 2).

Average cloud cover in May
Clarksburg, MD

Average cloud cover in May - Clarksburg, MD
  • Average cloud cover in May: 44

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
Clarksburg, MD

Average visibility in May - Clarksburg, 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).

Clarksburg, Maryland, USA

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