December weather forecast
Oscawana, NY

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Weather in December

December, the first month of the winter in Oscawana, is also a wintry month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 40.3°F (4.6°C).

Temperature

The start of December signals a decrease in the average high-temperature, transitioning from a fresh 50°F (10°C) in November to an icy 40.3°F (4.6°C). Oscawana's nighttime temperature during December is consistently averaged at a freezing cold 29.3°F (-1.5°C).

Humidity

In Oscawana, New York, the average relative humidity in December is 78%.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. In Oscawana, New York, during the entire year, the rain falls for 152.8 days and collects up to 30.79" (782mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Oscawana, in December, snow falls for 4.4 days, with typically accumulated 2.2" (56mm) of snow. In Oscawana, New York, during the entire year, snow falls for 22.6 days and aggregates up to 12.28" (312mm) 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 7:02 am and sunset at 4:27 pm. On the last day of December, in Oscawana, sunrise is at 7:21 am and sunset at 4:36 pm EST.

Sunshine

In Oscawana, the average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The high-temperature during December is 40.3°F (4.6°C) and the low-temperature is 29.3°F (-1.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in December?

In Oscawana, New York, in December, it is raining for 10.1 days, with typically 3.19" (81mm) of accumulated precipitation.

How many days does it snow in December?

In Oscawana, in December, snow falls for 4.4 days, with typically accumulated 2.2" (56mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 16min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:02 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:36 pm EST.

How many hours of sunshine does Oscawana have in December?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents 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
Oscawana, NY

Average temperature in December - Oscawana, NY
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Oscawana, NY

Average pressure in December - Oscawana, 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
Oscawana, NY

Average wind speed in December - Oscawana, NY
  • Average wind speed in December: 6.9mph

The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Oscawana, NY

Average humidity in December - Oscawana, NY
  • Average humidity in December: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Oscawana, NY

Average rainfall in December - Oscawana, NY
  • Average rainfall in December: 3.19"

The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
Oscawana, NY

Average rainfall days in December - Oscawana, NY
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Oscawana, NY

Average snowfall in December - Oscawana, NY
  • Average snowfall in December: 2.2"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Oscawana, NY

Average snowfall days in December - Oscawana, NY
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Oscawana, NY
  • Average daylight in December: 9h and 2min

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Oscawana, NY

Average sunshine days in December - Oscawana, NY
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in December
Oscawana, NY

Average UV index in December - Oscawana, 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
Oscawana, NY

Average cloud cover in December - Oscawana, 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 32).

Average visibility in December
Oscawana, NY

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

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

Oscawana, New York, USA

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