December weather forecast
Krocksville, PA

Share

Weather in December

December, the first month of the winter in Krocksville, is also an icy month, with an average temperature varying between 40.3°F (4.6°C) and 28.9°F (-1.7°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's cool 50°F (10°C) to an icy 40.3°F (4.6°C). During the nights in December, an average low-temperature of 28.9°F (-1.7°C) is observed.

Humidity

In Krocksville, the average relative humidity in December is 80%.

Rainfall

In Krocksville, Pennsylvania, during December, the rain falls for 11.2 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Krocksville, during the entire year, the rain falls for 155.8 days and collects up to 30.75" (781mm) of precipitation.

Snowfall

Months with snowfall in Krocksville are January through May, October through December. In Krocksville, during December, snow falls for 5 days and regularly aggregates up to 2.36" (60mm) of snow. Throughout the year, there are 29.4 snowfall days, and 15.87" (403mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Krocksville.
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 4:45 pm EST.

Sunshine

In Krocksville, 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 low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Krocksville?

December temperatures in Krocksville, Pennsylvania, vary between a high-temperature of 40.3°F (4.6°C) and a low-temperature of 28.9°F (-1.7°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in December in Krocksville?

In December, the average relative humidity is 80%.

How much does it rain in Krocksville in December?

In Krocksville, during December, the rain falls for 11.2 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How many days does it snow in December in Krocksville?

In December, in Krocksville, Pennsylvania, it is snowing for 5 days. Throughout December, 2.36" (60mm) of snow is accumulated.

What is the month with the shortest days in Krocksville?

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

How many hours of daylight does Krocksville have in December?

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

What time are sunrise and sunset in December in Krocksville?

On the first day of December in Krocksville, Pennsylvania, 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 4:45 pm EST.

How long on average sun shines in December in Krocksville?

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

When is the lowest UV index in Krocksville?

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

How high is the UV index in December in Krocksville?

In Krocksville, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from 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
Krocksville, PA

Average temperature in December - Krocksville, PA
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Krocksville, PA

Average pressure in December - Krocksville, 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
Krocksville, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Krocksville, PA

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

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

Average rainfall in December
Krocksville, PA

Average rainfall in December - Krocksville, PA
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in December
Krocksville, PA

Average rainfall days in December - Krocksville, PA
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in December
Krocksville, PA

Average snowfall in December - Krocksville, PA
  • Average snowfall in December: 2.36"

The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Krocksville, PA

Average snowfall days in December - Krocksville, PA
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Krocksville, 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 24min).

Average sunshine days in December
Krocksville, PA

Average sunshine days in December - Krocksville, PA
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in December
Krocksville, PA

Average UV index in December - Krocksville, 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
Krocksville, PA

Average cloud cover in December - Krocksville, 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 33).

Average visibility in December
Krocksville, PA

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

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

Krocksville, Pennsylvania, USA

Weather forecast for your location

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