December weather forecast
Ithaca, MI

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Weather in December

The first month of the winter, December, is also an icy month in Ithaca, Michigan, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 23.9°F (-4.5°C).

Temperature

During Ithaca's transition into December, the average high-temperature lessens, moving from a chilly 43.9°F (6.6°C) in November to an icy 32.9°F (0.5°C). During December, Ithaca perceives a slight decrease in temperature from daytime highs, settling at an average low of 23.9°F (-4.5°C).

Humidity

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

Rainfall

In December, in Ithaca, the rain falls for 8 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 141.3 rainfall days, and 22.48" (571mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Ithaca, during December, snow falls for 14.5 days and regularly aggregates up to 3.62" (92mm) of snow. Throughout the year, there are 65.5 snowfall days, and 19.65" (499mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Ithaca, sunrise is at 7:51 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:12 pm EST.

Sunshine

In Ithaca, the average sunshine in December is 3.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 1 in December translates into this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Ithaca, records 32.9°F (0.5°C), while the low-temperature is 23.9°F (-4.5°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Ithaca, Michigan, in December, it is raining for 8 days, with typically 1.38" (35mm) of accumulated precipitation.

How many days does it snow in December?

In Ithaca, in December, snow falls for 14.5 days, with typically accumulated 3.62" (92mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 2min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:51 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:12 pm EST.

How many hours of sunshine does Ithaca have in December?

In Ithaca, the average sunshine duration in December is 3.2h.

What are the months with the lowest UV index in Ithaca?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December?

In Ithaca, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Ithaca, MI

Average temperature in December - Ithaca, MI
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Ithaca, MI

Average pressure in December - Ithaca, MI
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Ithaca, MI

Average wind speed in December - Ithaca, MI
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in December
Ithaca, MI

Average humidity in December - Ithaca, MI
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Ithaca, MI

Average rainfall in December - Ithaca, MI
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in December
Ithaca, MI

Average rainfall days in December - Ithaca, MI
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in December
Ithaca, MI

Average snowfall in December - Ithaca, MI
  • Average snowfall in December: 3.62"

The month with the highest snowfall is January (5.91").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Ithaca, MI

Average snowfall days in December - Ithaca, MI
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Ithaca, MI

Average daylight in December / Average sunshine in December - Ithaca, MI
  • Average daylight in December: 9h and 0min

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 0min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in December
Ithaca, MI

Average sunshine days in December - Ithaca, MI
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is January (10.3 days).

Average UV index in December
Ithaca, MI

Average UV index in December - Ithaca, MI
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Ithaca, MI

Average cloud cover in December - Ithaca, MI
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Ithaca, MI

Average visibility in December - Ithaca, MI
  • Average visibility in December: 5mi

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

Ithaca, Michigan, USA

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