December weather forecast
Hamburg, PA

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Weather in December

The first month of the winter, December, is also an icy month in Hamburg, Pennsylvania, with an average temperature varying between 28.6°F (-1.9°C) and 40.1°F (4.5°C).

Temperature

The average high-temperature decreases in December, shifting from a frosty 49.5°F (9.7°C) in November to a cold 40.1°F (4.5°C). December sees the temperature falling to a mean low of 28.6°F (-1.9°C).

Humidity

The average relative humidity in December in Hamburg is 81%.

Rainfall

In December, the rain falls for 10.8 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Hamburg, during the entire year, the rain falls for 148.7 days and collects up to 26.42" (671mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 4.5 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Hamburg, during the entire year, snow falls for 26.2 days and aggregates up to 13.58" (345mm) 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 December in Hamburg, sunrise is at 7:08 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:47 pm EST.

Sunshine

The average sunshine in December in Hamburg is 4.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hamburg, Pennsylvania. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 2 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold does it get in Hamburg in December?

The average high-temperature and low-temperature in Hamburg during December are 40.1°F (4.5°C) and 28.6°F (-1.9°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the average humidity in December in Hamburg?

In December, the average relative humidity is 81%.

How much does it rain in Hamburg in December?

In Hamburg, during December, the rain falls for 10.8 days and regularly aggregates up to 2.01" (51mm) of precipitation.

How many days does it snow in December in Hamburg?

In Hamburg, Pennsylvania, in December, during 4.5 snowfall days, 1.38" (35mm) of snow is typically accumulated.

What is the month with the shortest days in Hamburg?

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

What is the average length of the day in December in Hamburg?

In Hamburg, Pennsylvania, the average day length in December is 9h and 20min.

When is the sunrise / sunset in December in Hamburg?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:37 pm. On the last day of the month, in Hamburg, sunrise is at 7:27 am and sunset at 4:47 pm EST.

How long on average sun shines in December in Hamburg?

In Hamburg, Pennsylvania, the average sunshine duration in December is 4.6h.

What is the month with the lowest UV index in Hamburg?

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

What is the UV index reading in December in Hamburg?

In Hamburg, 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
Hamburg, PA

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

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 28.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in December
Hamburg, PA

Average pressure in December - Hamburg, PA
  • Average pressure in December: 30.09"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).

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Average wind speed in December
Hamburg, PA

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

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Average humidity in December
Hamburg, PA

Average humidity in December - Hamburg, PA
  • Average humidity in December: 81%

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

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Average rainfall in December
Hamburg, PA

Average rainfall in December - Hamburg, PA
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in December
Hamburg, PA

Average rainfall days in December - Hamburg, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in December
Hamburg, PA

Average snowfall in December - Hamburg, PA
  • Average snowfall in December: 1.38"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Hamburg, PA

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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Average sunshine days in December
Hamburg, PA

Average sunshine days in December - Hamburg, PA
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Hamburg, PA

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Hamburg, PA

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in December
Hamburg, PA

Average visibility in December - Hamburg, 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).

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Hamburg, Pennsylvania, USA

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