May weather forecast and climate
Slaughter Beach, DE

The last month of the spring, May, is a pleasant month in Slaughter Beach, Delaware, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 70°F (21.1°C).

Temperature

In Slaughter Beach, the average high-temperature in May rises, from a mild 60.6°F (15.9°C) in April, to an agreeable 70°F (21.1°C). In Slaughter Beach, in May, the average low-temperature is 57°F (13.9°C).

Humidity

The most humid month in Slaughter Beach is May, with an average relative humidity of 80%.

Rainfall

In May, the rain falls for 16.1 days. Throughout May, 2.28" (58mm) of precipitation is accumulated. Throughout the year, in Slaughter Beach, there are 152.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.

Snowfall

January through March, May, November and December are months with snowfall in Slaughter Beach. May is the first month it typically snows in Slaughter Beach, Delaware. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In Slaughter Beach, during the entire year, snow falls for 10.4 days, and aggregates up to 4.29" (109mm) of snow.

Daylight

In May, the average length of the day in Slaughter Beach is 14.3h.

Sunshine

In Slaughter Beach, 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 in Slaughter Beach. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Slaughter Beach?

In Slaughter Beach, in May, the average high-temperature is 70°F (21.1°C), and the average low-temperature is 57°F (13.9°C).

What is the most humid month in Slaughter Beach?

The most humid month is May, with an average relative humidity of 80%.

What is the average humidity in May in Slaughter Beach?

In Slaughter Beach, the average relative humidity in May is 80%.

How many days does it rain in May in Slaughter Beach?

In Slaughter Beach, Delaware, in May, during 16.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When does it start to snow in Slaughter Beach?

May is the first month it typically snows in Slaughter Beach. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Slaughter Beach have in May?

In Slaughter Beach, the average length of the day in May is 14.3h.

How long on average sun shines in May in Slaughter Beach?

The average sunshine in May is 9.1h.

What are the months with the highest UV index in Slaughter Beach?

Months with the highest UV index in Slaughter Beach, Delaware, are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Slaughter Beach?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Slaughter Beach, DE
  • Average high temperature in May: 70°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in May: 57°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 (29.7°F).

Average pressure in May - Slaughter Beach, DE
  • Average pressure in May: 30.02"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

Average wind speed in May - Slaughter Beach, DE
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in May - Slaughter Beach, DE
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
Months with the lowest relative humidity are January and November (74%).

Average rainfall in May - Slaughter Beach, DE
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").

Average rainfall days in May - Slaughter Beach, DE
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in May - Slaughter Beach, DE
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (1.22").
Months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in May - Slaughter Beach, DE
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.3 days).
Months with the least snowfall days are April, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Slaughter Beach, DE
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 9.1h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5h).

Average sunshine days in May - Slaughter Beach, DE
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in May - Slaughter Beach, DE
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in May - Slaughter Beach, DE
  • Average cloud cover in May: 40

Months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May - Slaughter Beach, DE
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).