December weather forecast
Hatboro, PA

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Weather in December

December, the first month of the winter in Hatboro, is also a frosty month, with an average temperature fluctuating between 42.8°F (6°C) and 31.1°F (-0.5°C).

Temperature

Hatboro in December experiences a subtle temperature decline, with average high-temperatures reducing from a cool 51.8°F (11°C) in November to a chilly 42.8°F (6°C). Nightly temperatures in Hatboro drop to an average low of 31.1°F (-0.5°C) in December.

Humidity

The months with the highest humidity are February, October and December, with an average relative humidity of 78%.

Rainfall

The month with the most rainfall is December, when the rain falls for 5.8 days and typically aggregates up to 0.75" (19mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In December, it is snowing for 1.7 days. Throughout December, 0.28" (7mm) of snow is accumulated. Throughout the year, there are 12.6 snowfall days, and 1.73" (44mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine 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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Hatboro during December?

The high-temperature, in December, in Hatboro, records 42.8°F (6°C), while the low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the most humid month?

February, October and December, with an average relative humidity of 78%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 78%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 5.8 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain in December?

In Hatboro, in December, during 5.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How much does it snow in Hatboro in December?

In Hatboro, in December, during 1.7 snowfall days, 0.28" (7mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Hatboro have in December?

The average day length in December is 9h and 22min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:04 am and sunset at 4:35 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 Hatboro have in December?

In December, the average sunshine duration is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from 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
Hatboro, PA

Average temperature in December - Hatboro, 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).

Average pressure in December
Hatboro, PA

Average pressure in December - Hatboro, 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
Hatboro, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Hatboro, PA

Average humidity in December - Hatboro, PA
  • Average humidity in December: 78%

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

Average rainfall in December
Hatboro, PA

Average rainfall in December - Hatboro, PA
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").

Average rainfall days in December
Hatboro, PA

Average rainfall days in December - Hatboro, PA
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Hatboro, PA

Average snowfall in December - Hatboro, PA
  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Hatboro, PA

Average snowfall days in December - Hatboro, PA
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Hatboro, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Hatboro, PA

Average sunshine days in December - Hatboro, PA
  • Average sunshine days in December: 23.2 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).

Average UV index in December
Hatboro, PA

Average UV index in December - Hatboro, 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
Hatboro, PA

Average cloud cover in December - Hatboro, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Hatboro, PA

Average visibility in December - Hatboro, 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).

Hatboro, Pennsylvania, USA

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