December weather forecast
Brier Hill, NY

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Weather in December

The first month of the winter, December, is also a subzero cold month in Brier Hill, New York, with an average temperature fluctuating between 21°F (-6.1°C) and 30.6°F (-0.8°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a frosty 42.8°F (6°C) in November to a subzero cold 30.6°F (-0.8°C). Nighttime temperature lowers to an average of 21°F (-6.1°C) in December.

Humidity

The average relative humidity in December in Brier Hill is 86%.

Rainfall

In December, the rain falls for 9 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 141.7 rainfall days, and 26.34" (669mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 11.4 days. Throughout December, 4.96" (126mm) of snow is accumulated. In Brier Hill, during the entire year, snow falls for 56.1 days and aggregates up to 24.49" (622mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of December, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:32 pm EST.

Sunshine

In December, the average sunshine is 3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Brier Hill, is 30.6°F (-0.8°C), while the average low-temperature is 21°F (-6.1°C).

What is the average humidity in December?

In December, the average relative humidity is 86%.

How many days does it rain in December?

In Brier Hill, in December, during 9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 11.4 days. Throughout December, 4.96" (126mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

How many hours of daylight does Brier Hill have in December?

In December, the average day length is 8h and 53min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:32 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration in Brier Hill, New York, is 3h.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Brier Hill, NY

Average temperature in December - Brier Hill, NY
  • Average high temperature in December: 30.6°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (24.1°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Brier Hill, NY

Average pressure in December - Brier Hill, NY
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Brier Hill, NY

Average wind speed in December - Brier Hill, NY
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
Brier Hill, NY

Average humidity in December - Brier Hill, NY
  • Average humidity in December: 86%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
Brier Hill, NY

Average rainfall in December - Brier Hill, NY
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is August (2.76").
The driest months (with the least rainfall) are March and November (1.69").

Average rainfall days in December
Brier Hill, NY

Average rainfall days in December - Brier Hill, NY
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (5 days).

Average snowfall in December
Brier Hill, NY

Average snowfall in December - Brier Hill, NY
  • Average snowfall in December: 4.96"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Brier Hill, NY

Average snowfall days in December - Brier Hill, NY
  • Average snowfall days in December: 11.4 days

The months with the highest number of snowfall days are January and February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Brier Hill, NY

Average daylight in December / Average sunshine in December - Brier Hill, NY
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).

Average sunshine days in December
Brier Hill, NY

Average sunshine days in December - Brier Hill, NY
  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in December
Brier Hill, NY

Average UV index in December - Brier Hill, NY
  • Average UV index in December: 1

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

Average cloud cover in December
Brier Hill, NY

Average cloud cover in December - Brier Hill, NY
  • Average cloud cover in December: 68

The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Brier Hill, NY

Average visibility in December - Brier Hill, NY
  • Average visibility in December: 5mi

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

Brier Hill, New York, USA

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