May weather forecast
Millville, DE

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Weather in May

May witnesses the advent of summer heat in Millville, with temperature and relative humidity taking an upward turn. The thermometer scales stretch to highs of 66.2°F, announcing the arrival of the warm season. Frequent rain showers contribute to an increase in relative humidity to 82%, making the weather more balmy. Lengthening daylight hours and lesser snowfall invite people outdoors. The following month, June, witnesses further reliance on air conditioners as the mercury soars higher.

Temperature

In Millville, stepping into May brings a gentle temperature nudge, moving slightly up from April's refreshing 57.4°F to an enjoyable 66.2°F. Millville notes a steady average temperature of 58.5°F during the nights of May.

Humidity

With an average relative humidity of 82%, May is the most humid month in Millville.

Rainfall

In May, the rain falls for 13.9 days. Throughout May, 2.2" of precipitation is accumulated. In Millville, Delaware, during the entire year, the rain falls for 144.6 days and collects up to 25.51" of precipitation.

Snowfall

April through October are months without snowfall in Millville.

Daylight

The average length of the day in May is 14h and 17min.
On the first day of May, sunrise is at 6:03 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:18 pm EDT.

Sunshine

In Millville, the average sunshine in May is 9.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
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FAQ

What are the temperatures in Millville in May?

The high-temperature, in May, in Millville, records 66.2°F, while the low-temperature is 58.5°F.

What is the most humid month in Millville?

The most humid month is May, with an average relative humidity of 82%.

What is the average humidity in May in Millville?

The average relative humidity in May in Millville, Delaware, is 82%.

How many days does it rain in May in Millville?

In May, in Millville, the rain falls for 13.9 days. Throughout May, 2.2" of precipitation is accumulated.

When it does not snow in Millville?

In Millville, Delaware, snow does not fall in April through October.

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

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

When are sunrise and sunset in May in Millville?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 7:52 pm. On the last day of the month, in Millville, Delaware, sunrise is at 5:38 am and sunset at 8:18 pm EDT.

How many hours of sunshine does Millville have in May?

In May, the average sunshine duration in Millville is 9.2h.

When is the highest UV index in Millville?

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

What is the UV index reading in May in Millville?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Millville, DE

Average temperature in May - Millville, DE
  • Average high temperature in May: 66.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in May: 58.5°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in May
Millville, DE

Average pressure in May - Millville, 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
Millville, DE

Average wind speed in May - Millville, DE
  • Average wind speed in May: 10.7mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in May
Millville, DE

Average humidity in May - Millville, DE
  • Average humidity in May: 82%

The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in May
Millville, DE

Average rainfall in May - Millville, DE
  • Average rainfall in May: 2.2"

The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in May
Millville, DE

Average rainfall days in May - Millville, DE
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in May
Millville, DE

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

The month with the highest snowfall is February (0.87").
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
Millville, DE

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

The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Millville, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

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Average sunshine days in May
Millville, DE

Average sunshine days in May - Millville, DE
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in May
Millville, DE

Average UV index in May - Millville, 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
Millville, DE

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

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in May
Millville, DE

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

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