December weather forecast
Welliversville, PA

Share

Weather in December

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

Temperature

The average high-temperature decreases in December, shifting from a chilly 48.2°F (9°C) in November to an icy 38.3°F (3.5°C). An average low-temperature of 27.5°F (-2.5°C) is recorded during the nights in December.

Humidity

The average relative humidity in December in Welliversville is 81%.

Rainfall

In Welliversville, in December, it is raining for 11.5 days, with typically 2.44" (62mm) of accumulated precipitation. In Welliversville, during the entire year, the rain falls for 155.9 days and collects up to 30.04" (763mm) of precipitation.

Snowfall

Months with snowfall in Welliversville, Pennsylvania, are January through May, October through December. In Welliversville, during December, snow falls for 8.4 days and regularly aggregates up to 3.31" (84mm) of snow. Throughout the year, there are 42.7 snowfall days, and 20.67" (525mm) 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 7:12 am and sunset at 4:38 pm. On the last day of December, in Welliversville, sunrise is at 7:30 am and sunset at 4:47 pm EST.

Sunshine

The average sunshine in December in Welliversville is 4.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Welliversville in December?

The high-temperature during December is 38.3°F (3.5°C) and the low-temperature is 27.5°F (-2.5°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in December in Welliversville?

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

How much does it rain in Welliversville in December?

In Welliversville, in December, during 11.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

How much does it snow in Welliversville in December?

In Welliversville, in December, during 8.4 snowfall days, 3.31" (84mm) of snow is typically accumulated.

What is the month with the shortest days in Welliversville?

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

How many hours of daylight does Welliversville have in December?

The average day length in December is 9h and 16min.

When are sunrise and sunset in December in Welliversville?

On the first day of December in Welliversville, sunrise is at 7:12 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:47 pm EST.

How many hours of sunshine does Welliversville have in December?

In December, the average sunshine duration in Welliversville is 4.1h.

What are the months with the lowest UV index in Welliversville?

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 in Welliversville?

In December, the average daily maximum UV index in Welliversville, Pennsylvania, is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
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
Welliversville, PA

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

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in December
Welliversville, PA

Average pressure in December - Welliversville, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Welliversville, PA

Average wind speed in December - Welliversville, PA
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Welliversville, PA

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

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

Average rainfall in December
Welliversville, PA

Average rainfall in December - Welliversville, PA
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Welliversville, PA

Average rainfall days in December - Welliversville, PA
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Welliversville, PA

Average snowfall in December - Welliversville, PA
  • Average snowfall in December: 3.31"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Welliversville, PA

Average snowfall days in December - Welliversville, PA
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Welliversville, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

Average sunshine days in December
Welliversville, PA

Average sunshine days in December - Welliversville, PA
  • Average sunshine days in December: 14 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in December
Welliversville, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Welliversville, PA

Average cloud cover in December - Welliversville, PA
  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Welliversville, PA

Average visibility in December - Welliversville, 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).

Welliversville, Pennsylvania, USA

Weather forecast for your location

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