December weather forecast
Irish Meeting House, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Irish Meeting House, Pennsylvania, with an average temperature varying between 30.2°F (-1°C) and 41.9°F (5.5°C).

Temperature

In Irish Meeting House, the average high-temperature in December gently drops from a cool 50.7°F (10.4°C) in November to a cold 41.9°F (5.5°C). Irish Meeting House experiences a nighttime temperature average of 30.2°F (-1°C) during December.

Humidity

In December, the average relative humidity is 79%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 4.3 days. Throughout December, 2.48" (63mm) of snow is accumulated. In Irish Meeting House, during the entire year, snow falls for 26.7 days and aggregates up to 14.37" (365mm) of snow.

Daylight

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

Sunshine

In December, the average sunshine 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. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In Irish Meeting House, 41.9°F (5.5°C) is the average high-temperature and 30.2°F (-1°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in Irish Meeting House in December?

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

How many days does it snow in December?

In December, it is snowing for 4.3 days. Throughout December, 2.48" (63mm) 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 18min of daylight.

How many hours of daylight does Irish Meeting House have in December?

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

What time are sunrise and sunset in December?

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.

How many hours of sunshine does Irish Meeting House have in December?

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index?

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 Irish Meeting House, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Irish Meeting House, PA

Average temperature in December - Irish Meeting House, 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).

Average pressure in December
Irish Meeting House, PA

Average pressure in December - Irish Meeting House, 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
Irish Meeting House, PA

Average wind speed in December - Irish Meeting House, 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).

Average humidity in December
Irish Meeting House, PA

Average humidity in December - Irish Meeting House, 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%).

Average rainfall in December
Irish Meeting House, PA

Average rainfall in December - Irish Meeting House, 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").

Average rainfall days in December
Irish Meeting House, PA

Average rainfall days in December - Irish Meeting House, 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).

Average snowfall in December
Irish Meeting House, PA

Average snowfall in December - Irish Meeting House, 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").

Average snowfall days in December
Irish Meeting House, PA

Average snowfall days in December - Irish Meeting House, 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).

Average daylight in December /
Average sunshine in December
Irish Meeting House, PA

Average daylight in December / Average sunshine in December - Irish Meeting House, 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).

Average sunshine days in December
Irish Meeting House, PA

Average sunshine days in December - Irish Meeting House, 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).

Average UV index in December
Irish Meeting House, PA

Average UV index in December - Irish Meeting House, 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).

Average cloud cover in December
Irish Meeting House, PA

Average cloud cover in December - Irish Meeting House, 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).

Average visibility in December
Irish Meeting House, PA

Average visibility in December - Irish Meeting House, 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).

Irish Meeting House, Pennsylvania, USA

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