December weather forecast
Walnutport, PA

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Weather in December

December, the first month of the winter in Walnutport, is also a wintry month, with an average temperature varying between 27.5°F (-2.5°C) and 38.3°F (3.5°C).

Temperature

December comes with a decrease in the average high-temperature, falling from a chilly 48.2°F (9°C) in November to a cold 38.3°F (3.5°C). Walnutport records an average nighttime low-temperature of 27.5°F (-2.5°C) throughout December.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Walnutport, in December, it is raining for 11.6 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 155.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Walnutport, in December, during 4.6 snowfall days, 2.6" (66mm) of snow is typically accumulated. Throughout the year, there are 34 snowfall days, and 16.73" (425mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 1 in December translates into these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

The high-temperature, in December, in Walnutport, records 38.3°F (3.5°C), while the low-temperature is 27.5°F (-2.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in December in Walnutport?

In December, the average relative humidity is 82%.

How many days does it rain in December?

In December, the rain falls for 11.6 days. Throughout December, 2.48" (63mm) of precipitation is accumulated.

How many days does it snow in December in Walnutport?

In Walnutport, in December, during 4.6 snowfall days, 2.6" (66mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Walnutport have in December?

In December, the average day length is 9h and 19min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:45 pm EST.

How many hours of sunshine does Walnutport have in December?

In December, the average sunshine duration is 4.5h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Walnutport, PA

Average temperature in December - Walnutport, PA
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in December
Walnutport, PA

Average pressure in December - Walnutport, 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
Walnutport, PA

Average wind speed in December - Walnutport, PA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Walnutport, PA

Average humidity in December - Walnutport, PA
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in December
Walnutport, PA

Average rainfall in December - Walnutport, PA
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in December
Walnutport, PA

Average rainfall days in December - Walnutport, PA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Walnutport, PA

Average snowfall in December - Walnutport, PA
  • Average snowfall in December: 2.6"

The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Walnutport, PA

Average snowfall days in December - Walnutport, PA
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Walnutport, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
Walnutport, PA

Average sunshine days in December - Walnutport, PA
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in December
Walnutport, PA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Walnutport, PA

Average cloud cover in December - Walnutport, PA
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in December
Walnutport, PA

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

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

Walnutport, Pennsylvania, USA

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