December weather forecast
Milanville, PA

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Weather in December

December, the first month of the winter in Milanville, is also a wintry month, with an average temperature fluctuating between 25°F (-3.9°C) and 36°F (2.2°C).

Temperature

Milanville's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 45.9°F (7.7°C) to a wintry 36°F (2.2°C). An average low-temperature of 25°F (-3.9°C) is anticipated throughout the nights during December.

Humidity

With an average relative humidity of 85%, December is the most humid month.

Rainfall

In December, in Milanville, the rain falls for 8.5 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 132.5 rainfall days, and 19.21" (488mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. The months with the most snowfall in Milanville are January and December, with an average 3.27" (83mm) of accumulated snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:08 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:40 pm EST.

Sunshine

The average sunshine in December is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Milanville. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is December in Milanville?

The high-temperature, in December, in Milanville, is 36°F (2.2°C), while the low-temperature averages to 25°F (-3.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in July is appraised at 86°F (30°C).

What is the most humid month in Milanville?

With an average relative humidity of 85%, December is the most humid month in Milanville.

What is the average humidity in December in Milanville?

In Milanville, the average relative humidity in December is 85%.

How much does it rain in Milanville in December?

In Milanville, Pennsylvania, in December, it is raining for 8.5 days, with typically 1.46" (37mm) of accumulated precipitation.

When does it snow the most in Milanville?

The months with the most snowfall in Milanville, Pennsylvania, are January and December, with an average 3.27" (83mm) of accumulated snow.

How much does it snow in Milanville in December?

In Milanville, Pennsylvania, during December, snow falls for 8.2 days and regularly aggregates up to 3.27" (83mm) of snow.

What is the month with the shortest days in Milanville?

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

How many hours of daylight does Milanville have in December?

The average day length in December is 9h and 13min.

What time are sunrise and sunset in December in Milanville?

On the first day of December in Milanville, Pennsylvania, sunrise is at 7:08 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:40 pm EST.

How long on average sun shines in December in Milanville?

In December, the average sunshine duration in Milanville is 3.8h.

When is the lowest UV index in Milanville?

With an average maximum UV index of 1, December is the month with the lowest UV index in Milanville.

How high is the UV index in December in Milanville?

In December, the average daily maximum UV index in Milanville, Pennsylvania, is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Milanville, PA

Average temperature in December - Milanville, PA
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in December
Milanville, PA

Average pressure in December - Milanville, PA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Milanville, PA

Average wind speed in December - Milanville, PA
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Milanville, PA

Average humidity in December - Milanville, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in December
Milanville, PA

Average rainfall in December - Milanville, PA
  • Average rainfall in December: 1.46"

The wettest months (with the highest rainfall) are July and August (2.09").
The driest months (with the least rainfall) are January and September (1.14").

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Average rainfall days in December
Milanville, PA

Average rainfall days in December - Milanville, PA
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (15.6 days).
The months with the least rainy days are January and February (6.9 days).

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Average snowfall in December
Milanville, PA

Average snowfall in December - Milanville, PA
  • Average snowfall in December: 3.27"

The months with the highest snowfall are January and December (3.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Milanville, PA

Average snowfall days in December - Milanville, PA
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Milanville, PA

Average daylight in December / Average sunshine in December - Milanville, PA
  • Average daylight in December: 9h and 1min

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

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in December
Milanville, PA

Average sunshine days in December - Milanville, PA
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (12.5 days).

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Average UV index in December
Milanville, PA

Average UV index in December - Milanville, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Milanville, PA

Average cloud cover in December - Milanville, PA
  • Average cloud cover in December: 62

The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
Milanville, PA

Average visibility in December - Milanville, PA
  • 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).

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Milanville, Pennsylvania, USA

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