December weather forecast
Molltown, PA

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Weather in December

The first month of the winter, December, is still a cold month in Molltown, Pennsylvania, with an average temperature ranging between min 29.1°F (-1.6°C) and max 40.1°F (4.5°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a frosty 49.8°F (9.9°C) in November to an icy 40.1°F (4.5°C). An average low-temperature of 29.1°F (-1.6°C) is noted during the month of December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 147.9 rainfall days, and 25.94" (659mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Molltown, in December, snow falls for 4.5 days, with typically accumulated 1.5" (38mm) of snow. Throughout the year, there are 24.9 snowfall days, and 13.54" (344mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:47 pm EST.

Sunshine

In December, the average sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 in December translates into these instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Molltown in December?

The high-temperature in Molltown, Pennsylvania, during December is 40.1°F (4.5°C) and the low-temperature is 29.1°F (-1.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How many days does it rain in December in Molltown?

In Molltown, during December, the rain falls for 10.1 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 4.5 days. Throughout December, 1.5" (38mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Molltown, the average day length in December is 9h and 20min.

What time are sunrise and sunset in December in Molltown?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:47 pm EST.

How long on average sun shines in December?

In Molltown, the average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index estimate 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
Molltown, PA

Average temperature in December - Molltown, 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 (34.3°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in December
Molltown, PA

Average pressure in December - Molltown, 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
Molltown, PA

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

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Molltown, PA

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

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

Average rainfall in December
Molltown, PA

Average rainfall in December - Molltown, PA
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in December
Molltown, PA

Average rainfall days in December - Molltown, PA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Molltown, PA

Average snowfall in December - Molltown, PA
  • Average snowfall in December: 1.5"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Molltown, PA

Average snowfall days in December - Molltown, PA
  • Average snowfall days in December: 4.5 days

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

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

Average daylight in December / Average sunshine in December - Molltown, 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
Molltown, PA

Average sunshine days in December - Molltown, PA
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Molltown, PA

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

The months with the highest UV index are 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
Molltown, PA

Average cloud cover in December - Molltown, PA
  • Average cloud cover in December: 51

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Molltown, PA

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

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

Molltown, Pennsylvania, USA

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