December weather forecast
Oakdale, PA

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Weather in December

The first month of the winter, December, is also an icy month in Oakdale, Pennsylvania, with an average temperature ranging between max 39.7°F (4.3°C) and min 28.4°F (-2°C).

Temperature

As December begins, there is a decrease in the average high-temperature, falling from a frosty 49.3°F (9.6°C) in November to a wintry 39.7°F (4.3°C). Oakdale experiences a nighttime temperature average of 28.4°F (-2°C) during December.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Oakdale, in December, it is raining for 8.2 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 132.6 rainfall days, and 11.5" (292mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Oakdale, during December, snow falls for 6.4 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 32.5 snowfall days, and 3.66" (93mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:04 pm EST.

Sunshine

In December, the average sunshine is 3.4h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Oakdale. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 1 suggests these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

Is December cold?

The average high-temperature and low-temperature during December are 39.7°F (4.3°C) and 28.4°F (-2°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 83%.

How many days does it rain in December?

In Oakdale, during December, the rain falls for 8.2 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How many days does it snow in December in Oakdale?

In Oakdale, during December, snow falls for 6.4 days and regularly aggregates up to 0.59" (15mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Oakdale have in December?

The average day length in December is 9h and 21min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:04 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration in Oakdale is 3.4h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk 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
Oakdale, PA

Average temperature in December - Oakdale, PA
  • Average high temperature in December: 39.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in December
Oakdale, PA

Average pressure in December - Oakdale, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Oakdale, PA

Average wind speed in December - Oakdale, PA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Oakdale, PA

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

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in December
Oakdale, PA

Average rainfall in December - Oakdale, PA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.67").

Average rainfall days in December
Oakdale, PA

Average rainfall days in December - Oakdale, PA
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in December
Oakdale, PA

Average snowfall in December - Oakdale, PA
  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Oakdale, PA

Average snowfall days in December - Oakdale, PA
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Oakdale, 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: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Oakdale, PA

Average sunshine days in December - Oakdale, PA
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in December
Oakdale, PA

Average UV index in December - Oakdale, PA
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Oakdale, PA

Average cloud cover in December - Oakdale, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Oakdale, PA

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

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

Oakdale, Pennsylvania, USA

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