December weather forecast
Dowlin, PA

Share

Weather in December

The first month of the winter, December, is also a wintry month in Dowlin, Pennsylvania, with an average temperature varying between 30.6°F (-0.8°C) and 41.9°F (5.5°C).

Temperature

Dowlin's transition into December involves a shift in temperature, receding from a fresh 50.9°F (10.5°C) in November to an icy 41.9°F (5.5°C). Nighttime temperatures hover around an average low of 30.6°F (-0.8°C) in December.

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Dowlin, in December, it is raining for 8.6 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 145.6 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Dowlin, in December, snow falls for 2 days, with typically accumulated 1.54" (39mm) of snow. Throughout the year, there are 17.2 snowfall days, and 10.47" (266mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:06 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:47 pm EST.

Sunshine

In Dowlin, the average sunshine in December is 4.8h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

Dowlin in December has an average high-temperature of 41.9°F (5.5°C) and an average low-temperature of 30.6°F (-0.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How many days does it rain in December in Dowlin?

In Dowlin, during December, the rain falls for 8.6 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 2 days. Throughout December, 1.54" (39mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In Dowlin, the average day length in December is 9h and 23min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:47 pm EST.

How long on average sun shines in December?

In Dowlin, the average sunshine duration in December is 4.8h.

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?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Dowlin, PA

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

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in December
Dowlin, PA

Average pressure in December - Dowlin, PA
  • Average pressure in December: 30.1"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).

Average wind speed in December
Dowlin, PA

Average wind speed in December - Dowlin, PA
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Dowlin, PA

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

The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Dowlin, PA

Average rainfall in December - Dowlin, PA
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in December
Dowlin, PA

Average rainfall days in December - Dowlin, PA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in December
Dowlin, PA

Average snowfall in December - Dowlin, PA
  • Average snowfall in December: 1.54"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Dowlin, PA

Average snowfall days in December - Dowlin, PA
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

  • 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 36min).

Average sunshine days in December
Dowlin, PA

Average sunshine days in December - Dowlin, PA
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in December
Dowlin, PA

Average UV index in December - Dowlin, 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
Dowlin, PA

Average cloud cover in December - Dowlin, PA
  • Average cloud cover in December: 48

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

Average visibility in December
Dowlin, PA

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

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

Dowlin, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location