December weather forecast
Richboro, PA

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Weather in December

December, the first month of the winter in Richboro, is still a chilly month, with an average temperature varying between 42.8°F (6°C) and 31.1°F (-0.5°C).

Temperature

The onset of December brings a small change in high-temperatures, falling from a cool 52°F (11.1°C) in November to a chilly 42.8°F (6°C). An average temperature of 31.1°F (-0.5°C) is recorded in Richboro during the nights in December.

Humidity

In December, the average relative humidity is 77%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 3.31" (84mm) of precipitation.

Snowfall

Months with snowfall in Richboro are January through May, October through December. In Richboro, in December, during 3.6 snowfall days, 1.61" (41mm) of snow is typically accumulated. Throughout the year, in Richboro, there are 24 snowfall days, and 12.13" (308mm) 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 7:03 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:44 pm EST.

Sunshine

The average sunshine in December is 5h.

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 minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December translates into the following guidance:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. 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

How cold does it get in Richboro in December?

In Richboro, in December, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 89.6°F (32°C).

What is the average humidity in December in Richboro?

In Richboro, the average relative humidity in December is 77%.

What is the rainiest month in Richboro?

The month with the most rainfall in Richboro is December, when the rain falls for 10.7 days and typically aggregates up to 3.31" (84mm) of precipitation.

How much does it rain in Richboro in December?

In Richboro, in December, it is raining for 10.7 days, with typically 3.31" (84mm) of accumulated precipitation.

How many days does it snow in December in Richboro?

In Richboro, during December, snow falls for 3.6 days and regularly aggregates up to 1.61" (41mm) of snow.

What is the month with the shortest days in Richboro?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

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

In December, the average day length in Richboro is 9h and 22min.

What time are sunrise and sunset in December in Richboro?

On the first day of December, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:44 pm EST.

How many hours of sunshine does Richboro have in December?

In Richboro, Pennsylvania, the average sunshine duration in December is 5h.

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

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

What is the UV index reading in December in Richboro?

In December, the average daily maximum UV index in Richboro is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Richboro, PA

Average temperature in December - Richboro, PA
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in December
Richboro, PA

Average pressure in December - Richboro, 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 (29.93"Hg).

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Average wind speed in December
Richboro, PA

Average wind speed in December - Richboro, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Richboro, PA

Average humidity in December - Richboro, PA
  • Average humidity in December: 77%

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in December
Richboro, PA

Average rainfall in December - Richboro, PA
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Richboro, PA

Average rainfall days in December - Richboro, PA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in December
Richboro, PA

Average snowfall in December - Richboro, PA
  • Average snowfall in December: 1.61"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Richboro, PA

Average snowfall days in December - Richboro, PA
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (7.3 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
Richboro, PA

Average daylight in December / Average sunshine in December - Richboro, 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: 5h and 0min

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
Richboro, PA

Average sunshine days in December - Richboro, PA
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in December
Richboro, PA

Average UV index in December - Richboro, 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
Richboro, PA

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

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Richboro, PA

Average visibility in December - Richboro, 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).

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Richboro, Pennsylvania, USA

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