December weather forecast
Eagleville, PA

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Weather in December

December, the first month of the winter in Eagleville, is still a cold month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 42.6°F (5.9°C).

Temperature

With the onset of December, Eagleville's average high-temperature adjusts, receding from November's cool 51.6°F (10.9°C) to a wintry 42.6°F (5.9°C). During December, Eagleville consistently records a temperature low averaging a freezing cold 30.9°F (-0.6°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Eagleville, in December, it is raining for 8.6 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May and December. December is the first month it typically snows. Throughout December, in the average 2.6 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 15.8 snowfall days, and 2.13" (54mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine is 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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

Is it cold during December?

December temperatures vary between a high-temperature of 42.6°F (5.9°C) and a low-temperature of 30.9°F (-0.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December in Eagleville is 78%.

How much does it rain in December?

In Eagleville, in December, during 8.6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 2.6 snowfall days, it receives 0.35" (9mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 22min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:46 pm EST.

How long on average sun shines in December in Eagleville?

In Eagleville, the average sunshine duration in December is 5h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Eagleville, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Eagleville, PA

Average temperature in December - Eagleville, PA
  • Average high temperature in December: 42.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Eagleville, PA

Average pressure in December - Eagleville, PA
  • Average pressure in December: 30.09"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).

Average wind speed in December
Eagleville, PA

Average wind speed in December - Eagleville, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Eagleville, PA

Average humidity in December - Eagleville, PA
  • Average humidity in December: 78%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in December
Eagleville, PA

Average rainfall in December - Eagleville, PA
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in December
Eagleville, PA

Average rainfall days in December - Eagleville, PA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in December
Eagleville, PA

Average snowfall in December - Eagleville, PA
  • Average snowfall in December: 0.35"

The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in December
Eagleville, PA

Average snowfall days in December - Eagleville, PA
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Eagleville, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Eagleville, PA

Average sunshine days in December - Eagleville, PA
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).

Average UV index in December
Eagleville, PA

Average UV index in December - Eagleville, PA
  • 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, March, November and December (UV index 2).

Average cloud cover in December
Eagleville, PA

Average cloud cover in December - Eagleville, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Eagleville, PA

Average visibility in December - Eagleville, PA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Eagleville, Pennsylvania, USA

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