December weather forecastYonkers, NY

December

Weather in December

December in Yonkers, New York brings in the first tastes of winter. The weather becomes colder with an average high temperature of 41.9°F (5.5°C) and an average low temperature of 32.5°F (0.3°C). The snowfall marks its return with an average of 0.35" (9mm). The wintry gray sky dominates with cloud coverage reaching up to 48%. Despite the bone-chilling cold and frequent snowfall, the city dons a festive look, adorned with holiday decorations, making December a special time in Yonkers.

Temperature

The average high-temperature drops in December, from November's cool 50.9°F (10.5°C) to a cold 41.9°F (5.5°C). Yonkers records an average nighttime low of 32.5°F (0.3°C) in December.

Humidity

February and December, with an average relative humidity of 76%, are the most humid months in Yonkers.

Rainfall

In Yonkers, New York, in December, during 7.1 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Yonkers, New York, during the entire year, the rain falls for 106.1 days and collects up to 8.31" (211mm) of precipitation.

Snowfall

Months with snowfall in Yonkers are January through April and December. The month with the most snowfall is December, when snow falls for 2.5 days and typically aggregates up to 0.35" (9mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:28 pm. On the last day of December, in Yonkers, sunrise is at 7:20 am and sunset at 4:37 pm EST.

Sunshine

In Yonkers, New York, the average sunshine in December is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Yonkers. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Yonkers, the average high-temperature is 41.9°F (5.5°C), and the average low-temperature is 32.5°F (0.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

February and December, with an average relative humidity of 76%, are most humid months in Yonkers, New York.

In December, the average relative humidity in Yonkers is 76%.

In Yonkers, in December, it is raining for 7.1 days, with typically 0.83" (21mm) of accumulated precipitation.

The month with the most snowfall in Yonkers is December, when snow falls for 2.5 days and typically aggregates up to 0.35" (9mm) of snow.

December is the first month it typically snows in Yonkers, New York. Throughout December, in the average 2.5 snowfall days, it receives 0.35" (9mm) of snow.

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

In December, the average day length in Yonkers is 9h and 17min.

On the first day of December, sunrise is at 7:01 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:37 pm EST.

In December, the average sunshine duration in Yonkers, New York, is 4.8h.

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

In Yonkers, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

50.9°F

41.9°F

35.8°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9mph

9.3mph

9.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

21.1

22.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Yonkers, NY

Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.8°F).

Average low temperature in December: 32.5°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in December
Yonkers, NY

Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Yonkers, NY

Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in December
Yonkers, NY

Average humidity in December: 76%

The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Yonkers, NY

Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in December
Yonkers, NY

Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in December
Yonkers, NY

Average snowfall in December: 0.35"

The month with the highest snowfall is December (0.35").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in December
Yonkers, NY

Average snowfall days in December: 2.5 days

The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Yonkers, NY

Average daylight in December: 9h and 18min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in December: 4h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Yonkers, NY

Average sunshine days in December: 21.1 days

The month with the most sunshine days is January (22.5 days).
The months with the least sunshine days are May and June (15.9 days).

Average UV index in December
Yonkers, NY

Average UV index in December: 2

The months with the highest UV index are 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
Yonkers, NY

Average cloud cover in December: 48

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Yonkers, NY

Average visibility in December: 6mi

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