May weather forecast
Claymont, DE

Weather in May

May, the last month of the spring in Claymont, is a pleasant month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 54.5°F (12.5°C).

Temperature

In May, the average high-temperature increases from a comfortable 61.3°F (16.3°C) in April to an agreeable 71.6°F (22°C). In Claymont, the average low-temperature is 54.5°F (12.5°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Claymont, during May, the rain falls for 18.7 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, there are 168.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Claymont are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Claymont aggregates 0.12" (3mm) of snow. In Claymont, Delaware, during the entire year, snow falls for 21.9 days and aggregates up to 12.05" (306mm) of snow.

Daylight

In May, the average length of the day in Claymont, Delaware, is 14h and 23min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:55 pm. On the last day of May, in Claymont, sunrise is at 5:36 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine in Claymont is 8.6h.

UV index

The months with the highest UV index in Claymont are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in May transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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.
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FAQ

What is the temperature in May in Claymont?

In May, in Claymont, Delaware, the average high-temperature is 71.6°F (22°C), and the average low-temperature is 54.5°F (12.5°C).

What is the average humidity in May in Claymont?

In May, the average relative humidity in Claymont is 77%.

How much does it rain in Claymont in May?

In Claymont, Delaware, in May, it is raining for 18.7 days, with typically 3.19" (81mm) of accumulated precipitation.

What is the last month it snows in Claymont?

May is the last month it regularly snows in Claymont, Delaware. During 0.1 snowfall days, in May, Claymont aggregates 0.12" (3mm) of snow.

How many hours of daylight does Claymont have in May?

In Claymont, Delaware, the average day length in May is 14h and 23min.

When is the sunrise / sunset in May in Claymont?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:55 pm. On the last day of the month, in Claymont, sunrise is at 5:36 am and sunset at 8:23 pm EDT.

How long on average sun shines in May in Claymont?

In May, the average sunshine duration in Claymont, Delaware, is 8.6h.

What are the months with the highest UV index in Claymont?

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 in Claymont?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Claymont, DE

Average temperature in May - Claymont, DE
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in May
Claymont, DE

Average pressure in May - Claymont, DE
  • Average pressure in May: 30.01"Hg

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

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Average wind speed in May
Claymont, DE

Average wind speed in May - Claymont, DE
  • Average wind speed in May: 6.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in May
Claymont, DE

Average humidity in May - Claymont, DE
  • Average humidity in May: 77%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in May
Claymont, DE

Average rainfall in May - Claymont, DE
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

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Average rainfall days in May
Claymont, DE

Average rainfall days in May - Claymont, DE
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in May
Claymont, DE

Average snowfall in May - Claymont, DE
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Claymont, DE

Average snowfall days in May - Claymont, DE
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Claymont, DE

Average daylight in May / Average sunshine in May - Claymont, DE
  • 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 24min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in May
Claymont, DE

Average sunshine days in May - Claymont, DE
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

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Average UV index in May
Claymont, DE

Average UV index in May - Claymont, DE
  • 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).

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Average cloud cover in May
Claymont, DE

Average cloud cover in May - Claymont, DE
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in May
Claymont, DE

Average visibility in May - Claymont, DE
  • 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).

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