December weather forecastDelanson, NY

December

Weather in December

The first month of the winter, December, is also an icy month in Delanson, New York, with an average temperature varying between 34.2°F (1.2°C) and 24.6°F (-4.1°C).

Temperature

As November transitions into December, Delanson sees a drop in the average high-temperature, transitioning from a chilly 45.5°F (7.5°C) to a cold 34.2°F (1.2°C). Throughout the month of December, the average temperature in Delanson dips to a freezing cold 24.6°F (-4.1°C) at night.

Humidity

In December, the average relative humidity in Delanson is 81%.

Rainfall

In Delanson, during December, the rain falls for 7.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Delanson, during the entire year, the rain falls for 137.4 days and collects up to 25.75" (654mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, in Delanson, it is snowing for 6.4 days. Throughout December, 5.24" (133mm) of snow is accumulated. Throughout the year, there are 36.5 snowfall days, and 22.56" (573mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Delanson, New York.
On the first day of December, sunrise is at 7:08 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:33 pm EST.

Sunshine

In December, the average sunshine in Delanson is 4.2h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Delanson. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Delanson, in December, the average high-temperature is 34.2°F (1.2°C), and the average low-temperature is 24.6°F (-4.1°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 86°F (30°C).

In December, the average relative humidity in Delanson is 81%.

In Delanson, in December, it is raining for 7.8 days, with typically 2.05" (52mm) of accumulated precipitation.

In Delanson, in December, during 6.4 snowfall days, 5.24" (133mm) of snow is typically accumulated.

With an average of 9h and 6min of daylight, December has the shortest days of the year in Delanson.

In December, the average day length in Delanson is 9h and 6min.

On the first day of December, sunrise is at 7:08 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:33 pm EST.

The average sunshine duration in December in Delanson, New York, is 4.2h.

The month with the lowest UV index is December, with an average maximum UV index of 1.

In December, the average daily maximum UV index in Delanson is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Delanson, NY

  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in December: 24.6°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in December
Delanson, NY

  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Delanson, NY

  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Delanson, NY

  • Average humidity in December: 81%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December
Delanson, NY

  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.57").

Average rainfall days in December
Delanson, NY

  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in December
Delanson, NY

  • Average snowfall in December: 5.24"

The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Delanson, NY

  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 6min

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

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Delanson, NY

  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is April (12.6 days).

Average UV index in December
Delanson, NY

  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Delanson, NY

  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in December
Delanson, NY

  • Average visibility in December: 6mi

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