December weather forecast and climate
Slingerlands, NY

The first month of the winter, December, is also a wintry month in Slingerlands, New York, with average temperature varying between 24.4°F (-4.2°C) and 34.7°F (1.5°C).

Temperature

In Slingerlands, the average high-temperature in December decreases, from a frosty 45.5°F (7.5°C) in November, to a wintry 34.7°F (1.5°C). In December, in Slingerlands, the average low-temperature is 24.4°F (-4.2°C).

Humidity

In Slingerlands, the average relative humidity is 81%.

Rainfall

In Slingerlands, New York, it is raining for 11.5 days, with typically 2.8" (71mm) of accumulated precipitation. In Slingerlands, during the entire year, the rain falls for 160.4 days and collects up to 32.44" (824mm) of precipitation.

Snowfall

Months with snowfall in Slingerlands are January through May, October through December. In Slingerlands, during December, snow falls for 8.6 days and regularly aggregates up to 6.81" (173mm) of snow. In Slingerlands, during the entire year, snow falls for 51.2 days, and aggregates up to 32.09" (815mm) of snow.

Daylight

With an average of 9.1h of daylight, December has the shortest days of the year.

Sunshine

In December, the average sunshine in Slingerlands is 4.3h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Slingerlands?

In Slingerlands, New York, in December, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 24.4°F (-4.2°C).

What is the average humidity in December in Slingerlands?

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

How many days does it rain in December in Slingerlands?

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

How many days does it snow in December in Slingerlands?

In Slingerlands, New York, in December, snow falls for 8.6 days, with typically accumulated 6.81" (173mm) of snow.

What is the month with the shortest days in Slingerlands?

With an average of 9.1h of daylight, December has the shortest days of the year in Slingerlands.

How many hours of daylight does Slingerlands have in December?

In December, the average length of the day in Slingerlands, New York, is 9.1h.

How long on average sun shines in December in Slingerlands?

The average sunshine in December in Slingerlands is 4.3h.

What is the month with the lowest UV index in Slingerlands?

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

How high is the UV index in December in Slingerlands?

In December, the average daily maximum UV index in Slingerlands, New York, is 1. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Slingerlands, NY
  • Average high temperature in December: 1.5°C

The warmest month (with the highest average high temperature) is July (27.3°C).
The month with the lowest average high temperature is January (-1.8°C).

  • Average low temperature in December: -4.2°C

The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-8.5°C).

Average pressure in December - Slingerlands, NY
  • Average pressure in December: 1017.9mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in December - Slingerlands, NY
  • Average wind speed in December: 12.3km/h

The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in December - Slingerlands, 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 - Slingerlands, NY
  • Average rainfall in December: 71mm

The wettest month (with the highest rainfall) is October (81mm).
The driest month (with the least rainfall) is September (52mm).

Average rainfall days in December - Slingerlands, 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 - Slingerlands, NY
  • Average snowfall in December: 173mm

The month with the highest snowfall is January (207mm).
Months with the least snowfall are June, July, August and September (0mm).

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

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

Average daylight in December / Average sunshine in December - Slingerlands, NY
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 4.3h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 3.8h).

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

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

Average UV index in December - Slingerlands, 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 - Slingerlands, NY
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 58).
Months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December - Slingerlands, NY
  • Average visibility in December: 9km

Months with the highest visibility are April, June, July, October, November and December (9km).
Months with the lowest visibility are January, February, March, May, August and September (8km).