December weather forecastMiddletown, NY

December

Weather in December

Middletown welcomes December as winter's harbinger, with freezing temperatures and heavy snowfall marking the shift in seasons. A noticeable dip in temperature from November stirs the winter chill, engulfing the city in its frosty embrace. Snowfall amplifies to 3.19" (81mm), setting the stage for a potential white Christmas. Limited daylight and reduced sunshine lend an ethereal quality to Middletown's wintry landscape, painting a picture of glistening snowscapes. Increased atmospheric pressure couples with moderate wind speeds to uphold the winter's icy grip, shaping an idyllic, serene scene resonant of a winter wonderland.

Temperature

Middletown's December weather comes with a decrease in average high-temperatures, moving from a frosty 48°F (8.9°C) in November to a cold 37.9°F (3.3°C). In Middletown, the nighttime temperature averages to a freezing cold 26.1°F (-3.3°C) during December.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 82%.

Rainfall

In Middletown, New York, in December, during 8.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Middletown, New York, during the entire year, the rain falls for 139 days and collects up to 25.28" (642mm) of precipitation.

Snowfall

Months with snowfall in Middletown are January through May, October through December. In Middletown, during December, snow falls for 5.4 days and regularly aggregates up to 3.19" (81mm) of snow. Throughout the year, there are 28.4 snowfall days, and 16.46" (418mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:38 pm EST.

Sunshine

In Middletown, the average sunshine in December is 4.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Updated: Jun 7, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Middletown, 37.9°F (3.3°C) is the average high-temperature and 26.1°F (-3.3°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

The months with the highest humidity are February and December, with an average relative humidity of 82%.

The average relative humidity in December is 82%.

In December, the rain falls for 8.8 days. Throughout December, 2.36" (60mm) of precipitation is accumulated.

In Middletown, New York, during December, snow falls for 5.4 days and regularly aggregates up to 3.19" (81mm) of snow.

December has the shortest days of the year, with an average of 9h and 12min of daylight.

In Middletown, the average day length in December is 9h and 14min.

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:38 pm EST.

In December, the average sunshine duration is 4.5h.

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In Middletown, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

48°F

37.9°F

32.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.7mph

7mph

7.8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.5

18.7

20.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Middletown, NY

Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.2°F).

Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in December
Middletown, NY

Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Middletown, NY

Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Middletown, NY

Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Middletown, NY

Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in December
Middletown, NY

Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Middletown, NY

Average snowfall in December: 3.19"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Middletown, NY

Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December: 9h and 12min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in December: 4h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
Middletown, NY

Average sunshine days in December: 18.7 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in December
Middletown, NY

Average UV index in December: 2

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Middletown, NY

Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December
Middletown, NY

Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).