December weather forecast and climate
Manorville, NY

December, the first month of the winter, in Manorville, is also a frosty month, with average temperature varying between 44.4°F (6.9°C) and 37°F (2.8°C).

Temperature

In December, the average high-temperature slightly decreases, from a cool 52.5°F (11.4°C) in November, to a frosty 44.4°F (6.9°C). In December, in Manorville, the average low-temperature is 37°F (2.8°C).

Humidity

The average relative humidity in Manorville, New York, is 74%.

Rainfall

The month with the most rainfall is December when the rain falls for 13.1 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

Months with snowfall in Manorville are January through March, May, November and December. In Manorville, during 2.9 snowfall days, 0.59" (15mm) of snow is typically accumulated. Throughout the year, there are 18.6 snowfall days, and 4.45" (113mm) of snow is accumulated.

Daylight

With an average of 9.3h of daylight, December has the shortest days of the year.

Sunshine

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

UV index

Months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Manorville?

In Manorville, New York, in December, the average high-temperature is 44.4°F (6.9°C), and the average low-temperature is 37°F (2.8°C).

What is the average humidity in December in Manorville?

In Manorville, the average relative humidity in December is 74%.

How much does it rain in Manorville in December?

In Manorville, New York, in December, during 13.1 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

What is the wettest month in Manorville?

December is the month with the most rainfall in Manorville, New York. Rain falls for 13.1 days and accumulates 3.27" (83mm) of precipitation.

How much does it snow in Manorville in December?

In Manorville, during December, snow falls for 2.9 days and regularly aggregates up to 0.59" (15mm) of snow.

What is the month with the shortest days in Manorville?

With an average of 9.3h of daylight, December has the shortest days of the year in Manorville.

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

The average length of the day in December in Manorville is 9.3h.

How many hours of sunshine does Manorville have in December?

In December, the average sunshine in Manorville is 4.8h.

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

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

What is the UV index intensity in December in Manorville?

In December, the average daily maximum UV index in Manorville is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Manorville, NY
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 37°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December - Manorville, NY
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in December - Manorville, NY
  • Average wind speed in December: 14.2mph

The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).

Average humidity in December - Manorville, NY
  • Average humidity in December: 74%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).

Average rainfall in December - Manorville, NY
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December - Manorville, NY
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (9 days).

Average snowfall in December - Manorville, NY
  • Average snowfall in December: 0.59"

The month with the highest snowfall is March (1.54").
Months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in December - Manorville, NY
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is January (5.5 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Manorville, NY
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.8h

Months with the most sunshine are July and August (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in December - Manorville, NY
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (13.2 days).

Average UV index in December - Manorville, NY
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in December - Manorville, NY
  • Average cloud cover in December: 49

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).

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

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