December weather forecast
Walnuttown, PA

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Weather in December

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

Temperature

December brings a minor decrease, with the average high-temperature reducing from a frosty 49.8°F (9.9°C) in November to a cold 40.1°F (4.5°C). An average temperature of 29.1°F (-1.6°C) is recorded during the nights in December.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Walnuttown, in December, during 10.1 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Walnuttown, Pennsylvania, during the entire year, the rain falls for 147.9 days and collects up to 25.94" (659mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Walnuttown, 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

With an average of 9h and 18min of daylight, December has the shortest days of the year in Walnuttown.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:46 pm EST.

Sunshine

In Walnuttown, 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature, in December, in Walnuttown, is 40.1°F (4.5°C), while the average low-temperature is 29.1°F (-1.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How much does it rain in December?

In December, the rain falls for 10.1 days. Throughout December, 2.05" (52mm) of precipitation is accumulated.

How much does it snow in December?

In Walnuttown, in December, snow falls for 4.5 days, with typically accumulated 1.5" (38mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Walnuttown have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:46 pm EST.

How many hours of sunshine does Walnuttown have in December?

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.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Walnuttown, PA

Average temperature in December - Walnuttown, 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
Walnuttown, PA

Average pressure in December - Walnuttown, 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
Walnuttown, PA

Average wind speed in December - Walnuttown, 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
Walnuttown, PA

Average humidity in December - Walnuttown, 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
Walnuttown, PA

Average rainfall in December - Walnuttown, 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
Walnuttown, PA

Average rainfall days in December - Walnuttown, 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
Walnuttown, PA

Average snowfall in December - Walnuttown, 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
Walnuttown, PA

Average snowfall days in December - Walnuttown, 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
Walnuttown, PA

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

Average sunshine days in December - Walnuttown, 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
Walnuttown, PA

Average UV index in December - Walnuttown, 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
Walnuttown, PA

Average cloud cover in December - Walnuttown, 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
Walnuttown, PA

Average visibility in December - Walnuttown, 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).

Walnuttown, Pennsylvania, USA

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