December weather forecast
Kempton, PA

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Weather in December

December, the first month of the winter in Kempton, is still a cold month, with an average temperature ranging between max 40.1°F (4.5°C) and min 29.1°F (-1.6°C).

Temperature

December implies a gentle temperature shift, with average high-temperatures reducing from November's frosty 49.8°F (9.9°C) to a cold 40.1°F (4.5°C). Kempton in December experiences a low-temperature average of 29.1°F (-1.6°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 147.9 rainfall days, and 25.94" (659mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Kempton, in December, snow falls for 4.5 days, with typically accumulated 1.5" (38mm) of snow. Throughout the year, there are 24.9 snowfall days, and 13.54" (344mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Kempton, with an average of 9h and 18min of daylight.
On the first day of December in Kempton, sunrise is at 7:08 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:46 pm EST.

Sunshine

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 minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

Is December cold?

The average high-temperature and low-temperature in Kempton during December are 40.1°F (4.5°C) and 29.1°F (-1.6°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How much does it rain in December?

In Kempton, in December, it is raining for 10.1 days, with typically 2.05" (52mm) of accumulated precipitation.

How many days does it snow in December?

In Kempton, in December, snow falls for 4.5 days, with typically accumulated 1.5" (38mm) of snow.

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 Kempton.

How many hours of daylight does Kempton have in December?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:46 pm EST.

How many hours of sunshine does Kempton have in December?

The average sunshine duration in December is 4.7h.

When is the lowest UV index?

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

How high is the UV index in December?

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

Average temperature in December - Kempton, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in December
Kempton, PA

Average pressure in December - Kempton, 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
Kempton, PA

Average wind speed in December - Kempton, 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 (4.8mph).

Average humidity in December
Kempton, PA

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

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

Average rainfall in December
Kempton, PA

Average rainfall in December - Kempton, PA
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in December
Kempton, PA

Average rainfall days in December - Kempton, PA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Kempton, PA

Average snowfall in December - Kempton, PA
  • Average snowfall in December: 1.5"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Kempton, PA

Average snowfall days in December - Kempton, PA
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

Average sunshine days in December
Kempton, PA

Average sunshine days in December - Kempton, PA
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Kempton, PA

Average UV index in December - Kempton, 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
Kempton, PA

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

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Kempton, PA

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

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

Kempton, Pennsylvania, USA

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