December weather forecast
Butztown, PA

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Weather in December

The first month of the winter, December, is also an icy month in Butztown, Pennsylvania, with an average temperature varying between 40.1°F (4.5°C) and 28.8°F (-1.8°C).

Temperature

During Butztown's transition into December, the average high-temperature lessens, moving from a cool 50°F (10°C) in November to an icy 40.1°F (4.5°C). In the month of December, Butztown's average low-temperature falls to a subzero cold 28.8°F (-1.8°C).

Humidity

In Butztown, the average relative humidity in December is 80%.

Rainfall

In December, the rain falls for 10.7 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 153 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Butztown, in December, during 4.8 snowfall days, 2.48" (63mm) of snow is typically accumulated. In Butztown, during the entire year, snow falls for 26.7 days and aggregates up to 14.49" (368mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:44 pm EST.

Sunshine

In Butztown, the average sunshine in December is 4.7h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

Is December cold?

During December, Butztown experiences an average high-temperature of 40.1°F (4.5°C) and a low-temperature of 28.8°F (-1.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 86°F (30°C).

What is the average humidity in December?

In Butztown, the average relative humidity in December is 80%.

How much does it rain in December?

In Butztown, during December, the rain falls for 10.7 days and regularly aggregates up to 2.24" (57mm) of precipitation.

How much does it snow in December?

In Butztown, Pennsylvania, in December, snow falls for 4.8 days, with typically accumulated 2.48" (63mm) of snow.

What is the month with the shortest days in Butztown?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 19min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.7h.

What is the month with 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 December, the average daily maximum UV index in Butztown is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Butztown, PA

Average temperature in December - Butztown, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 28.8°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Butztown, PA

Average pressure in December - Butztown, 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
Butztown, PA

Average wind speed in December - Butztown, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Butztown, PA

Average humidity in December - Butztown, PA
  • Average humidity in December: 80%

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

Average rainfall in December
Butztown, PA

Average rainfall in December - Butztown, PA
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Butztown, PA

Average rainfall days in December - Butztown, PA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in December
Butztown, PA

Average snowfall in December - Butztown, PA
  • Average snowfall in December: 2.48"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Butztown, PA

Average snowfall days in December - Butztown, PA
  • Average snowfall days in December: 4.8 days

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Butztown, 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 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Butztown, PA

Average sunshine days in December - Butztown, PA
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Butztown, PA

Average UV index in December - Butztown, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June and July (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
Butztown, PA

Average cloud cover in December - Butztown, PA
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Butztown, PA

Average visibility in December - Butztown, PA
  • Average visibility in December: 5mi

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

Butztown, Pennsylvania, USA

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