December weather forecast
Lehigh Furnace, PA

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Weather in December

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

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 48.2°F (9°C) in November to an icy 38.3°F (3.5°C). In the month of December, Lehigh Furnace's average low-temperature falls to a freezing cold 27.5°F (-2.5°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Lehigh Furnace, in December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Lehigh Furnace, during the entire year, the rain falls for 155.1 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 4.6 days. Throughout December, 2.6" (66mm) of snow is accumulated. Throughout the year, there are 34 snowfall days, and 16.73" (425mm) 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 December, sunrise is at 7:08 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:45 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 1 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Lehigh Furnace?

The average high-temperature and low-temperature during December are 38.3°F (3.5°C) and 27.5°F (-2.5°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in July is estimated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

How much does it rain in December?

In Lehigh Furnace, in December, it is raining for 11.6 days, with typically 2.48" (63mm) of accumulated precipitation.

How much does it snow in December?

In Lehigh Furnace, in December, snow falls for 4.6 days, with typically accumulated 2.6" (66mm) of snow.

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

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

What is the average length of the day in December?

The average day length in December is 9h and 19min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.5h.

What is the month with the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index intensity in December?

In Lehigh Furnace, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe 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 Furnace, PA

Average temperature in December - Lehigh Furnace, 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).

Average pressure in December
Lehigh Furnace, PA

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

Average wind speed in December - Lehigh Furnace, 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).

Average humidity in December
Lehigh Furnace, PA

Average humidity in December - Lehigh Furnace, 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%).

Average rainfall in December
Lehigh Furnace, PA

Average rainfall in December - Lehigh Furnace, 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").

Average rainfall days in December
Lehigh Furnace, PA

Average rainfall days in December - Lehigh Furnace, 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).

Average snowfall in December
Lehigh Furnace, PA

Average snowfall in December - Lehigh Furnace, 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").

Average snowfall days in December
Lehigh Furnace, PA

Average snowfall days in December - Lehigh Furnace, 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).

Average daylight in December /
Average sunshine in December
Lehigh Furnace, PA

Average daylight in December / Average sunshine in December - Lehigh Furnace, 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 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).

Average sunshine days in December
Lehigh Furnace, PA

Average sunshine days in December - Lehigh Furnace, 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).

Average UV index in December
Lehigh Furnace, PA

Average UV index in December - Lehigh Furnace, 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).

Average cloud cover in December
Lehigh Furnace, PA

Average cloud cover in December - Lehigh Furnace, 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).

Average visibility in December
Lehigh Furnace, PA

Average visibility in December - Lehigh Furnace, 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).

Lehigh Furnace, Pennsylvania, USA

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