May weather forecast
Crownsville, MD

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Weather in May

May, the last month of the spring in Crownsville, is a pleasant month, with an average temperature ranging between max 72.1°F (22.3°C) and min 57.2°F (14°C).

Temperature

Observing a rise in May, the average high-temperature goes from April's refreshing 62.8°F (17.1°C) to an agreeable 72.1°F (22.3°C). In the month of May, an average of 57.2°F (14°C) marks the low-temperature.

Humidity

The most humid month is May, with an average relative humidity of 78%.

Rainfall

In May, the rain falls for 17.5 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

In Crownsville, Maryland, snow does not fall in May through October.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of May, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in May is 9.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the usual temperature for Crownsville in May?

May temperatures vary between a high-temperature of 72.1°F (22.3°C) and a low-temperature of 57.2°F (14°C).

What is the most humid month?

With an average relative humidity of 78%, May is the most humid month.

What is the average humidity in May?

In May, the average relative humidity is 78%.

How much does it rain in May?

In Crownsville, during May, the rain falls for 17.5 days and regularly aggregates up to 2.87" (73mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Crownsville have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.1h.

What is the month with the highest UV index in Crownsville?

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

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes 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
Crownsville, MD

Average temperature in May - Crownsville, MD
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 57.2°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in May
Crownsville, MD

Average pressure in May - Crownsville, 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
Crownsville, MD

Average wind speed in May - Crownsville, MD
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in May
Crownsville, MD

Average humidity in May - Crownsville, MD
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in May
Crownsville, MD

Average rainfall in May - Crownsville, MD
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in May
Crownsville, MD

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

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in May
Crownsville, MD

Average snowfall in May - Crownsville, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Crownsville, MD

Average snowfall days in May - Crownsville, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.4 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
Crownsville, MD

Average daylight in May / Average sunshine in May - Crownsville, 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
Crownsville, MD

Average sunshine days in May - Crownsville, MD
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in May
Crownsville, MD

Average UV index in May - Crownsville, 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
Crownsville, MD

Average cloud cover in May - Crownsville, MD
  • Average cloud cover in May: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in May
Crownsville, MD

Average visibility in May - Crownsville, 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).

Crownsville, Maryland, USA

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