December weather forecast
Delmar, NY

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Weather in December

December, the first month of the winter in Delmar, is also a wintry month, with an average temperature ranging between max 34.7°F (1.5°C) and min 24.4°F (-4.2°C).

Temperature

As December commences, the average high-temperature shows a reduction, transitioning from a chilly 45.5°F (7.5°C) in November to an icy 34.7°F (1.5°C). Throughout December, an average low-temperature of 24.4°F (-4.2°C) is expected.

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, in Delmar, the rain falls for 11.5 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. In Delmar, during the entire year, the rain falls for 160.4 days and collects up to 32.44" (824mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Delmar, it is snowing for 8.6 days. Throughout December, 6.81" (173mm) of snow is accumulated. Throughout the year, there are 51.2 snowfall days, and 32.09" (815mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December in Delmar, sunrise is at 7:06 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:32 pm EST.

Sunshine

The average sunshine in December in Delmar is 4.3h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold is December in Delmar?

During December, Delmar experiences an average high-temperature of 34.7°F (1.5°C) and a low-temperature of 24.4°F (-4.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in July is appraised at 86°F (30°C).

What is the average humidity in December in Delmar?

In Delmar, New York, the average relative humidity in December is 81%.

How many days does it rain in December in Delmar?

In Delmar, New York, in December, it is raining for 11.5 days, with typically 2.8" (71mm) of accumulated precipitation.

How much does it snow in Delmar in December?

In Delmar, New York, during December, snow falls for 8.6 days and regularly aggregates up to 6.81" (173mm) of snow.

What is the month with the shortest days in Delmar?

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

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

In December, the average day length is 9h and 7min.

When is the sunrise / sunset in December in Delmar?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:22 pm. On the last day of the month, in Delmar, sunrise is at 7:25 am and sunset at 4:32 pm EST.

How many hours of sunshine does Delmar have in December?

In Delmar, the average sunshine duration in December is 4.3h.

When is the lowest UV index in Delmar?

With an average maximum UV index of 1, December is the month with the lowest UV index in Delmar, New York.

What is the UV index intensity in December in Delmar?

The average daily maximum UV index in December in Delmar is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Delmar, NY

Average temperature in December - Delmar, NY
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 24.4°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 (16.7°F).

Average pressure in December
Delmar, NY

Average pressure in December - Delmar, 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
Delmar, NY

Average wind speed in December - Delmar, NY
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Delmar, NY

Average humidity in December - Delmar, 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
Delmar, NY

Average rainfall in December - Delmar, NY
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Delmar, NY

Average rainfall days in December - Delmar, NY
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in December
Delmar, NY

Average snowfall in December - Delmar, NY
  • Average snowfall in December: 6.81"

The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Delmar, NY

Average snowfall days in December - Delmar, NY
  • Average snowfall days in December: 8.6 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Delmar, NY
  • Average daylight in December: 9h and 1min

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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Delmar, NY

Average sunshine days in December - Delmar, NY
  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).

Average UV index in December
Delmar, NY

Average UV index in December - Delmar, NY
  • Average UV index in December: 1

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

Average cloud cover in December
Delmar, NY

Average cloud cover in December - Delmar, NY
  • Average cloud cover in December: 54

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 33).

Average visibility in December
Delmar, NY

Average visibility in December - Delmar, NY
  • Average visibility in December: 6mi

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

Delmar, New York, USA

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