December weather forecast
Seemsville, PA

Share

Weather in December

The first month of the winter, December, is still a cold month in Seemsville, Pennsylvania, with an average temperature fluctuating between 28°F (-2.2°C) and 39°F (3.9°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 48.6°F (9.2°C) to a wintry 39°F (3.9°C). December nights experience a consistent temperature drop to a freezing cold 28°F (-2.2°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Seemsville, during December, the rain falls for 13.1 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, there are 167 rainfall days, and 33.5" (851mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Seemsville, Pennsylvania, it is snowing for 6.1 days. Throughout December, 3.19" (81mm) of snow is accumulated. Throughout the year, there are 33.8 snowfall days, and 17.91" (455mm) 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 7:07 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:44 pm EST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

Is it cold in Seemsville during December?

In Seemsville, in December, the average high-temperature is 39°F (3.9°C), and the average low-temperature is 28°F (-2.2°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What is the average humidity in December in Seemsville?

In Seemsville, the average relative humidity in December is 81%.

How much does it rain in Seemsville in December?

In Seemsville, in December, during 13.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

How many days does it snow in December in Seemsville?

In Seemsville, Pennsylvania, in December, snow falls for 6.1 days, with typically accumulated 3.19" (81mm) of snow.

What is the month with the shortest days in Seemsville?

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

How many hours of daylight does Seemsville have in December?

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

What time are sunrise and sunset in December in Seemsville?

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 7:25 am and sunset at 4:44 pm EST.

How many hours of sunshine does Seemsville have in December?

The average sunshine duration in December in Seemsville is 4.7h.

What is the month with the lowest UV index in Seemsville?

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

How high is the UV index in December in Seemsville?

The average daily maximum UV index in December is 1. A UV Index value 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
Seemsville, PA

Average temperature in December - Seemsville, PA
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

[Resources]

Average pressure in December
Seemsville, PA

Average pressure in December - Seemsville, 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).

[Resources]

Average wind speed in December
Seemsville, PA

Average wind speed in December - Seemsville, 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 (5mph).

[Resources]

Average humidity in December
Seemsville, PA

Average humidity in December - Seemsville, PA
  • Average humidity in December: 81%

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

[Resources]

Average rainfall in December
Seemsville, PA

Average rainfall in December - Seemsville, PA
  • Average rainfall in December: 3.19"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (2.01").

[Resources]

Average rainfall days in December
Seemsville, PA

Average rainfall days in December - Seemsville, PA
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9.9 days).

[Resources]

Average snowfall in December
Seemsville, PA

Average snowfall in December - Seemsville, PA
  • Average snowfall in December: 3.19"

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Seemsville, PA

Average snowfall days in December - Seemsville, PA
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Seemsville, 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).

[Resources]

Average sunshine days in December
Seemsville, PA

Average sunshine days in December - Seemsville, PA
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (10.9 days).

[Resources]

Average UV index in December
Seemsville, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in December
Seemsville, PA

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

[Resources]

Average visibility in December
Seemsville, PA

Average visibility in December - Seemsville, 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).

[Resources]

Seemsville, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location