December weather forecast
Dublin, PA

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Weather in December

December, the first month of the winter in Dublin, is also an icy month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 30.2°F (-1°C).

Temperature

As December arrives, Dublin's weather displays a minor decrease in high-temperatures, transitioning from November's cool 50.7°F (10.4°C) to a cold 41.9°F (5.5°C). The nighttime temperature in Dublin, during December, averages of 30.2°F (-1°C).

Humidity

The average relative humidity in December in Dublin is 79%.

Rainfall

In Dublin, in December, during 10.4 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Dublin, Pennsylvania, during the entire year, the rain falls for 157.1 days and collects up to 31.73" (806mm) of precipitation.

Snowfall

Months with snowfall in Dublin are January through May, October through December. In Dublin, in December, during 4.3 snowfall days, 2.48" (63mm) of snow is typically accumulated. Throughout the year, there are 26.7 snowfall days, and 14.37" (365mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:44 pm EST.

Sunshine

In Dublin, the average sunshine in December is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dublin. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

Is it cold in Dublin during December?

The high-temperature in Dublin, Pennsylvania, during December is 41.9°F (5.5°C) and the low-temperature is 30.2°F (-1°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in December in Dublin?

In Dublin, Pennsylvania, the average relative humidity in December is 79%.

How much does it rain in Dublin in December?

In December, in Dublin, the rain falls for 10.4 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

How much does it snow in Dublin in December?

In Dublin, Pennsylvania, during December, snow falls for 4.3 days and regularly aggregates up to 2.48" (63mm) of snow.

What is the month with the shortest days in Dublin?

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

How many hours of daylight does Dublin have in December?

In December, the average day length is 9h and 21min.

What time are sunrise and sunset in December in Dublin?

On the first day of December in Dublin, Pennsylvania, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:44 pm EST.

How many hours of sunshine does Dublin have in December?

In December, the average sunshine duration in Dublin is 4.9h.

When is the lowest UV index in Dublin?

January through March, 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 Dublin?

In Dublin, Pennsylvania, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Dublin, PA

Average temperature in December - Dublin, PA
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in December
Dublin, PA

Average pressure in December - Dublin, 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).

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Average wind speed in December
Dublin, PA

Average wind speed in December - Dublin, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Dublin, PA

Average humidity in December - Dublin, PA
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

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Average rainfall in December
Dublin, PA

Average rainfall in December - Dublin, PA
  • Average rainfall in December: 3.03"

The wettest months (with the highest rainfall) are July and August (3.07").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Dublin, PA

Average rainfall days in December - Dublin, PA
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in December
Dublin, PA

Average snowfall in December - Dublin, PA
  • Average snowfall in December: 2.48"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Dublin, PA

Average snowfall days in December - Dublin, PA
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (8.2 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
Dublin, PA

Average daylight in December / Average sunshine in December - Dublin, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Dublin, PA

Average sunshine days in December - Dublin, PA
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (11.9 days).

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Average UV index in December
Dublin, PA

Average UV index in December - Dublin, 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, March, November and December (UV index 2).

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Average cloud cover in December
Dublin, PA

Average cloud cover in December - Dublin, PA
  • Average cloud cover in December: 49

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Dublin, PA

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

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

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Dublin, Pennsylvania, USA

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