December weather forecast
Kleinville, PA

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Weather in December

The first month of the winter, December, is also an icy month in Kleinville, Pennsylvania, with an average temperature ranging between max 41.5°F (5.3°C) and min 30°F (-1.1°C).

Temperature

The average high-temperature slightly decreases in December, shifting from a cool 50.4°F (10.2°C) in November to a cold 41.5°F (5.3°C). Throughout December, Kleinville anticipates an average low-temperature of 30°F (-1.1°C).

Humidity

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

Rainfall

In Kleinville, during December, the rain falls for 10.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Kleinville, during the entire year, the rain falls for 155.5 days and collects up to 28.15" (715mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 4.1 days. Throughout December, 2.01" (51mm) of snow is accumulated. In Kleinville, during the entire year, snow falls for 27 days and aggregates up to 12.52" (318mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of December, in Kleinville, sunrise is at 7:24 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

The months with the lowest UV index in Kleinville, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 41.5°F (5.3°C) and 30°F (-1.1°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Kleinville, in December, it is raining for 10.8 days, with typically 2.52" (64mm) of accumulated precipitation.

How much does it snow in Kleinville in December?

In December, it is snowing for 4.1 days. Throughout December, 2.01" (51mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 21min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:45 pm EST.

How many hours of sunshine does Kleinville have in December?

In Kleinville, the average sunshine duration in December is 4.8h.

What is the month 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 intensity in December?

In Kleinville, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Kleinville, PA

Average temperature in December - Kleinville, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Kleinville, PA

Average pressure in December - Kleinville, 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
Kleinville, PA

Average wind speed in December - Kleinville, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Kleinville, PA

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

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Kleinville, PA

Average rainfall in December - Kleinville, PA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in December
Kleinville, PA

Average rainfall days in December - Kleinville, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in December
Kleinville, PA

Average snowfall in December - Kleinville, PA
  • Average snowfall in December: 2.01"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Kleinville, PA

Average snowfall days in December - Kleinville, PA
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Kleinville, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Kleinville, PA

Average sunshine days in December - Kleinville, PA
  • Average sunshine days in December: 16 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).

Average UV index in December
Kleinville, PA

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

The months with the highest UV index are May, 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
Kleinville, PA

Average cloud cover in December - Kleinville, PA
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Kleinville, PA

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

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

Kleinville, Pennsylvania, USA

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