May weather forecast
Millsboro, DE

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Weather in May

May brings the onset of summer, and Millsboro basks in the warmth of increased temperatures. Rainfall levels in May peak to 2.13" (54mm), thus maintaining the city's lush green landscape. The daylight hours expand to 14.3 hours and sunshine hours also reach 9.3 hours per day. The wind speed reduces to an average of 9.3mph (15km/h), offering residents and visitors perfectly balmy conditions. With the hum of summer setting in, May serves as an invitation to outdoor enthusiasts for various activities.

Temperature

The rise of average high-temperatures is seen in May, with an increase from a refreshing 59.5°F (15.3°C) in April to a pleasant 68.5°F (20.3°C). Throughout the nights in May, an average low-temperature of 57.4°F (14.1°C) is noted in Millsboro.

Humidity

May is the most humid month, with an average relative humidity of 81%.

Rainfall

In Millsboro, in May, it is raining for 15.1 days, with typically 2.13" (54mm) of accumulated precipitation. In Millsboro, during the entire year, the rain falls for 146.8 days and collects up to 25.2" (640mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May is 14h and 17min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:19 pm EDT.

Sunshine

In May, the average sunshine is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Millsboro. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What are the temperatures in Millsboro in May?

In May, in Millsboro, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 57.4°F (14.1°C).

What is the most humid month in Millsboro?

The most humid month is May, with an average relative humidity of 81%.

What is the average humidity in May in Millsboro?

In Millsboro, the average relative humidity in May is 81%.

How much does it rain in Millsboro in May?

In Millsboro, Delaware, in May, it is raining for 15.1 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow in Millsboro?

April through October are months without snowfall in Millsboro, Delaware.

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

In Millsboro, Delaware, the average day length in May is 14h and 17min.

When is the sunrise / sunset in May in Millsboro?

On the first day of May in Millsboro, Delaware, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:19 pm EDT.

How long on average sun shines in May in Millsboro?

In May, the average sunshine duration in Millsboro, Delaware, is 9.3h.

When is the highest UV index in Millsboro?

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

How high is the UV index in May in Millsboro?

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

Average temperature in May - Millsboro, DE
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in May: 57.4°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in May
Millsboro, DE

Average pressure in May - Millsboro, DE
  • Average pressure in May: 30.02"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
Millsboro, DE

Average wind speed in May - Millsboro, DE
  • Average wind speed in May: 9.3mph

The windiest months (with the highest average wind speed) are January, February and March (11.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in May
Millsboro, DE

Average humidity in May - Millsboro, DE
  • Average humidity in May: 81%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in May
Millsboro, DE

Average rainfall in May - Millsboro, DE
  • Average rainfall in May: 2.13"

The wettest months (with the highest rainfall) are July and August (2.95").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in May
Millsboro, DE

Average rainfall days in May - Millsboro, DE
  • Average rainfall days in May: 15.1 days

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in May
Millsboro, DE

Average snowfall in May - Millsboro, DE
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Millsboro, DE

Average snowfall days in May - Millsboro, DE
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Millsboro, DE
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in May
Millsboro, DE

Average sunshine days in May - Millsboro, DE
  • Average sunshine days in May: 13.2 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (12.2 days).

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Average UV index in May
Millsboro, DE

Average UV index in May - Millsboro, 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 and December (UV index 2).

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Average cloud cover in May
Millsboro, DE

Average cloud cover in May - Millsboro, DE
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in May
Millsboro, DE

Average visibility in May - Millsboro, 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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Millsboro, Delaware, USA

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