December weather forecast
Hamorton, PA

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Weather in December

The first month of the winter, December, is also a frosty month in Hamorton, Pennsylvania, with an average temperature varying between 31.8°F (-0.1°C) and 43°F (6.1°C).

Temperature

In Hamorton, the average high-temperature in December decreases from a fresh 52°F (11.1°C) in November to a frosty 43°F (6.1°C). In the month of December, the nighttime temperature dips to a steady average of 31.8°F (-0.1°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Hamorton, in December, it is raining for 9.4 days, with typically 1.54" (39mm) of accumulated precipitation. In Hamorton, during the entire year, the rain falls for 135 days and collects up to 17.76" (451mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Hamorton, in December, snow falls for 2.4 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, there are 16.6 snowfall days, and 5.47" (139mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:47 pm EST.

Sunshine

In December, the average sunshine is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

An average high-temperature, in December, in Hamorton, is 43°F (6.1°C) and the average low-temperature is 31.8°F (-0.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In Hamorton, the average relative humidity in December is 78%.

How many days does it rain in December?

In Hamorton, in December, during 9.4 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

How many days does it snow in December in Hamorton?

In December, in Hamorton, it is snowing for 2.4 days. Throughout December, 0.79" (20mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In Hamorton, the average day length in December is 9h and 24min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:47 pm EST.

How long on average sun shines in December?

In Hamorton, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In Hamorton, Pennsylvania, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Hamorton, PA

Average temperature in December - Hamorton, PA
  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in December
Hamorton, PA

Average pressure in December - Hamorton, PA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Hamorton, PA

Average wind speed in December - Hamorton, PA
  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Hamorton, PA

Average humidity in December - Hamorton, PA
  • Average humidity in December: 78%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December
Hamorton, PA

Average rainfall in December - Hamorton, PA
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").

Average rainfall days in December
Hamorton, PA

Average rainfall days in December - Hamorton, PA
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Hamorton, PA

Average snowfall in December - Hamorton, PA
  • Average snowfall in December: 0.79"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Hamorton, PA

Average snowfall days in December - Hamorton, PA
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Hamorton, PA

Average sunshine days in December - Hamorton, PA
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Hamorton, PA

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Hamorton, PA

Average cloud cover in December - Hamorton, PA
  • Average cloud cover in December: 46

The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Hamorton, PA

Average visibility in December - Hamorton, PA
  • Average visibility in December: 6mi

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

Hamorton, Pennsylvania, USA

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