December weather forecast
Middletown, DE

Share

Weather in December

December in Middletown marks the return of winter weather with the average lowest temperature dropping to 34°F (1.1°C). A stark difference from the slightly warmer temperatures in November indicates the full-blown onset of winter. The early signs of snowfall reappear with an average of 0.35" (9mm), painting the cityscape with a white hue. This wintry month brings ample holiday cheer despite the shortened daylight hours and dropping temperatures. With most days being cloudy, Middletown in December offers a classic winter wonderland experience.

Temperature

Middletown experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a fresh 53.8°F (12.1°C) in November to a chilly 45°F (7.2°C). In December, the recorded average low-temperature is a wintry 34°F (1.1°C).

Humidity

In Middletown, the average relative humidity in December is 77%.

Rainfall

In Middletown, in December, during 9 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, in Middletown, there are 134.6 rainfall days, and 21.14" (537mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Middletown. In December, it is snowing for 2.5 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 14.2 snowfall days, and 5.16" (131mm) of snow is accumulated.

Daylight

The month with the shortest days in Middletown is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:39 pm. On the last day of December, in Middletown, Delaware, sunrise is at 7:22 am and sunset at 4:49 pm EST.

Sunshine

In Middletown, the average sunshine in December is 5.1h.

UV index

The months with the lowest UV index in Middletown are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 2 in December transforms into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
[Resources]

Frequently asked questions

What is the usual temperature for Middletown in December?

December temperatures vary between a high-temperature of 45°F (7.2°C) and a low-temperature of 34°F (1.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in December in Middletown?

In December, the average relative humidity in Middletown, Delaware, is 77%.

How many days does it rain in December in Middletown?

In Middletown, Delaware, during December, the rain falls for 9 days and regularly aggregates up to 1.93" (49mm) of precipitation.

How many days does it snow in December in Middletown?

In Middletown, in December, during 2.5 snowfall days, 0.35" (9mm) of snow is typically accumulated.

What is the month with the shortest days in Middletown?

The month with the shortest days in Middletown, Delaware, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Middletown have in December?

In December, the average day length in Middletown is 9h and 26min.

When are sunrise and sunset in December in Middletown?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:39 pm. On the last day of the month, in Middletown, sunrise is at 7:22 am and sunset at 4:49 pm EST.

How many hours of sunshine does Middletown have in December?

In December, the average sunshine duration in Middletown is 5.1h.

What are the months with the lowest UV index in Middletown?

The months with the lowest UV index in Middletown are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Middletown?

In Middletown, Delaware, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Middletown, DE

Average temperature in December - Middletown, DE
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 34°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 (26.8°F).

[Resources]

Average pressure in December
Middletown, DE

Average pressure in December - Middletown, DE
  • Average pressure in December: 30.1"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).

[Resources]

Average wind speed in December
Middletown, DE

Average wind speed in December - Middletown, DE
  • Average wind speed in December: 8.2mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

[Resources]

Average humidity in December
Middletown, DE

Average humidity in December - Middletown, DE
  • Average humidity in December: 77%

The months with the highest relative humidity are May, June and September (78%).
The month with the lowest relative humidity is April (72%).

[Resources]

Average rainfall in December
Middletown, DE

Average rainfall in December - Middletown, DE
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is January (1.26").

[Resources]

Average rainfall days in December
Middletown, DE

Average rainfall days in December - Middletown, DE
  • Average rainfall days in December: 9 days

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

[Resources]

Average snowfall in December
Middletown, DE

Average snowfall in December - Middletown, DE
  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Middletown, DE

Average snowfall days in December - Middletown, DE
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Middletown, DE

Average daylight in December / Average sunshine in December - Middletown, DE
  • Average daylight in December: 9h 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 December: 5h and 1min

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).

[Resources]

Average sunshine days in December
Middletown, DE

Average sunshine days in December - Middletown, DE
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (13.3 days).

[Resources]

Average UV index in December
Middletown, DE

Average UV index in December - Middletown, DE
  • Average UV index in December: 2

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).

[Resources]

Average cloud cover in December
Middletown, DE

Average cloud cover in December - Middletown, DE
  • Average cloud cover in December: 45

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

[Resources]

Average visibility in December
Middletown, DE

Average visibility in December - Middletown, DE
  • Average visibility in December: 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).

[Resources]

Middletown, Delaware, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location