December weather forecast
Medusa, NY

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Weather in December

The first month of the winter, December, is still a cold month in Medusa, New York, with an average temperature fluctuating between 33.1°F (0.6°C) and 22.8°F (-5.1°C).

Temperature

December brings a minor decrease, with the average high-temperature reducing from a frosty 43.7°F (6.5°C) in November to a cold 33.1°F (0.6°C). Medusa cools down to an average low-temperature of 22.8°F (-5.1°C) throughout the month of December.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 85%.

Rainfall

In December, the rain falls for 8.2 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Medusa, during the entire year, the rain falls for 152.5 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 10.8 days and typically aggregates up to 6.65" (169mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:33 pm EST.

Sunshine

In Medusa, the average sunshine in December is 4h.

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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 33.1°F (0.6°C) and a low-temperature of 22.8°F (-5.1°C).

What are the most humid months?

February and December, with an average relative humidity of 85%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity in Medusa is 85%.

How much does it rain in December?

In Medusa, in December, during 8.2 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 10.8 days and accumulates 6.65" (169mm) of snow.

How much does it snow in December?

In December, it is snowing for 10.8 days. Throughout December, 6.65" (169mm) of snow is accumulated.

What is the month with the shortest days in Medusa?

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

What is the average length of the day in December?

The average day length in December is 9h and 8min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:33 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In Medusa, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Medusa, NY

Average temperature in December - Medusa, NY
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in December
Medusa, NY

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

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Medusa, NY

Average humidity in December - Medusa, NY
  • Average humidity in December: 85%

The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall in December
Medusa, NY

Average rainfall in December - Medusa, NY
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in December
Medusa, NY

Average rainfall days in December - Medusa, NY
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Medusa, NY

Average snowfall in December - Medusa, NY
  • Average snowfall in December: 6.65"

The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Medusa, NY

Average snowfall days in December - Medusa, NY
  • Average snowfall days in December: 10.8 days

The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in December
Medusa, NY

Average sunshine days in December - Medusa, NY
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in December
Medusa, NY

Average UV index in December - Medusa, 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
Medusa, NY

Average cloud cover in December - Medusa, NY
  • Average cloud cover in December: 60

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in December
Medusa, NY

Average visibility in December - Medusa, NY
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).

Medusa, New York, USA

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