May weather forecast
Grasonville, MD

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Weather in May

May, the last month of the spring in Grasonville, is an agreeable month, with temperature in the range of an average low of 57.6°F (14.2°C) and an average high of 70.9°F (21.6°C).

Temperature

Grasonville's transition into May is marked by a rise in the average high-temperature, advancing from a refreshing 61.5°F (16.4°C) in April to a pleasant 70.9°F (21.6°C). Grasonville experiences a mean temperature of 57.6°F (14.2°C) during May nights.

Humidity

May is the most humid month, with an average relative humidity of 79%.

Rainfall

In May, the rain falls for 18.1 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. In Grasonville, during the entire year, the rain falls for 159 days and collects up to 32.36" (822mm) of precipitation.

Snowfall

In Grasonville, snow does not fall in May through October.

Daylight

In Grasonville, the average length of the day in May is 14h and 19min.
On the first day of May, sunrise is at 6:05 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:24 pm EDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What are the temperatures in May?

May temperatures vary between a high-temperature of 70.9°F (21.6°C) and a low-temperature of 57.6°F (14.2°C).

What is the most humid month in Grasonville?

May is the most humid month, with an average relative humidity of 79%.

What is the average humidity in May?

In Grasonville, the average relative humidity in May is 79%.

How much does it rain in Grasonville in May?

In Grasonville, in May, it is raining for 18.1 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

What is the average length of the day in May?

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

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:24 pm EDT.

How many hours of sunshine does Grasonville have in May?

The average sunshine duration in May is 9.1h.

What are the months with 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?

In May, the average daily maximum UV index in Grasonville is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Grasonville, MD

Average temperature in May - Grasonville, MD
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 57.6°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in May
Grasonville, MD

Average pressure in May - Grasonville, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Grasonville, MD

Average wind speed in May - Grasonville, MD
  • Average wind speed in May: 8.1mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in May
Grasonville, MD

Average humidity in May - Grasonville, MD
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in May
Grasonville, MD

Average rainfall in May - Grasonville, MD
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in May
Grasonville, MD

Average rainfall days in May - Grasonville, MD
  • Average rainfall days in May: 18.1 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in May
Grasonville, MD

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

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Grasonville, MD

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

The month with the highest number of snowfall days is January (4.2 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
Grasonville, MD

Average daylight in May / Average sunshine in May - Grasonville, 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 0min).

Average sunshine days in May
Grasonville, MD

Average sunshine days in May - Grasonville, MD
  • Average sunshine days in May: 11.1 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in May
Grasonville, MD

Average UV index in May - Grasonville, 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
Grasonville, MD

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

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

Average visibility in May
Grasonville, MD

Average visibility in May - Grasonville, 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).

Grasonville, Maryland, USA

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