December weather forecast
Lehigh Gap, PA

Share

Weather in December

December, the first month of the winter in Lehigh Gap, is still a cold month, with an average temperature varying between 38.3°F (3.5°C) and 27.5°F (-2.5°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a chilly 48.2°F (9°C) in November to a wintry 38.3°F (3.5°C). Throughout the December nights, Lehigh Gap encounters a low-temperature of 27.5°F (-2.5°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Lehigh Gap, in December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Lehigh Gap, there are 155.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Lehigh Gap. In Lehigh Gap, in December, snow falls for 4.6 days, with typically accumulated 2.6" (66mm) of snow. Throughout the year, there are 34 snowfall days, and 16.73" (425mm) of snow is accumulated.

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 7:07 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:44 pm EST.

Sunshine

The average sunshine in December is 4.5h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 1 transforms into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
[Resources]

Frequently asked questions

Is December cold in Lehigh Gap?

In December, the average high-temperature and low-temperature in Lehigh Gap, Pennsylvania, are 38.3°F (3.5°C) and 27.5°F (-2.5°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 87.8°F (31°C).

What is the average humidity in December in Lehigh Gap?

The average relative humidity in December in Lehigh Gap, Pennsylvania, is 82%.

How many days does it rain in December in Lehigh Gap?

In December, the rain falls for 11.6 days. Throughout December, 2.48" (63mm) of precipitation is accumulated.

How many days does it snow in December in Lehigh Gap?

In Lehigh Gap, Pennsylvania, in December, during 4.6 snowfall days, 2.6" (66mm) of snow is typically accumulated.

What is the month with the shortest days in Lehigh Gap?

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

How many hours of daylight does Lehigh Gap have in December?

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

When are sunrise and sunset in December in Lehigh Gap?

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 7:26 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Lehigh Gap?

The average sunshine duration in December is 4.5h.

When is the lowest UV index in Lehigh Gap?

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 Lehigh Gap?

In Lehigh Gap, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Lehigh Gap, PA

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

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

[Resources]

Average pressure in December
Lehigh Gap, PA

Average pressure in December - Lehigh Gap, 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
Lehigh Gap, PA

Average wind speed in December - Lehigh Gap, PA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

[Resources]

Average humidity in December
Lehigh Gap, PA

Average humidity in December - Lehigh Gap, PA
  • Average humidity in December: 82%

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

[Resources]

Average rainfall in December
Lehigh Gap, PA

Average rainfall in December - Lehigh Gap, PA
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").

[Resources]

Average rainfall days in December
Lehigh Gap, PA

Average rainfall days in December - Lehigh Gap, PA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).

[Resources]

Average snowfall in December
Lehigh Gap, PA

Average snowfall in December - Lehigh Gap, PA
  • Average snowfall in December: 2.6"

The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Lehigh Gap, PA

Average snowfall days in December - Lehigh Gap, PA
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is February (9.5 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
Lehigh Gap, PA

Average daylight in December / Average sunshine in December - Lehigh Gap, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

[Resources]

Average sunshine days in December
Lehigh Gap, PA

Average sunshine days in December - Lehigh Gap, PA
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

[Resources]

Average UV index in December
Lehigh Gap, PA

Average UV index in December - Lehigh Gap, PA
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in December
Lehigh Gap, PA

Average cloud cover in December - Lehigh Gap, PA
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).

[Resources]

Average visibility in December
Lehigh Gap, PA

Average visibility in December - Lehigh Gap, 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]

Lehigh Gap, Pennsylvania, USA

Weather forecast for your location

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