December weather forecast
Haddock, PA

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Weather in December

December, the first month of the winter in Haddock, is still a cold month, with an average temperature ranging between min 27.3°F (-2.6°C) and max 38.1°F (3.4°C).

Temperature

Haddock observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 47.5°F (8.6°C) to a wintry 38.1°F (3.4°C). An average low-temperature of 27.3°F (-2.6°C) marks the month of December.

Humidity

February and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Haddock, in December, it is raining for 4.5 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 66.7 rainfall days, and 6.38" (162mm) of precipitation is accumulated.

Snowfall

January through March, October through December are months with snowfall. In Haddock, during December, snow falls for 3.8 days and regularly aggregates up to 0.43" (11mm) of snow. In Haddock, during the entire year, snow falls for 21.5 days and aggregates up to 3.15" (80mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine is 4.3h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In December, the average high-temperature and low-temperature are 38.1°F (3.4°C) and 27.3°F (-2.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is evaluated at 86°F (30°C).

What is the most humid month?

February and December, with an average relative humidity of 83%, are most humid months.

What is the average humidity in December in Haddock?

In December, the average relative humidity is 83%.

How much does it rain in December?

In December, the rain falls for 4.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

How much does it snow in December?

In Haddock, in December, snow falls for 3.8 days, with typically accumulated 0.43" (11mm) 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.

How many hours of daylight does Haddock have in December?

The average day length in December is 9h and 18min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:46 pm EST.

How long on average sun shines in December in Haddock?

The average sunshine duration in December is 4.3h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Haddock, the average daily maximum UV index in December is 2. A UV Index 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
Haddock, PA

Average temperature in December - Haddock, PA
  • Average high temperature in December: 38.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in December
Haddock, PA

Average pressure in December - Haddock, 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
Haddock, PA

Average wind speed in December - Haddock, PA
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Haddock, PA

Average humidity in December - Haddock, PA
  • Average humidity in December: 83%

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

Average rainfall in December
Haddock, PA

Average rainfall in December - Haddock, PA
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.2").

Average rainfall days in December
Haddock, PA

Average rainfall days in December - Haddock, PA
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is April (8.1 days).
The month with the least rainy days is November (3.5 days).

Average snowfall in December
Haddock, PA

Average snowfall in December - Haddock, PA
  • Average snowfall in December: 0.43"

The months with the highest snowfall are January and November (0.71").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in December
Haddock, PA

Average snowfall days in December - Haddock, PA
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Haddock, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Haddock, PA

Average sunshine days in December - Haddock, PA
  • Average sunshine days in December: 24.9 days

The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is May (19.9 days).

Average UV index in December
Haddock, PA

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

The month with the highest UV index is 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
Haddock, PA

Average cloud cover in December - Haddock, PA
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Haddock, PA

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

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

Haddock, Pennsylvania, USA

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