December weather forecast
Three Rivers, MI

Share

Weather in December

The first month of the winter, December, is still a cold month in Three Rivers, Michigan, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 26.1°F (-3.3°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a chilly 45.7°F (7.6°C) in November to a wintry 34.7°F (1.5°C). December notes an average low temperature of 26.1°F (-3.3°C), subtly down from the daytime highs.

Humidity

The average relative humidity in December in Three Rivers, Michigan, is 84%.

Rainfall

January and December are months with the least rain when the rain falls for 7.2 days and typically aggregates up to 0.83" (21mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Three Rivers, Michigan, during December, snow falls for 11.6 days and regularly aggregates up to 1.5" (38mm) of snow. In Three Rivers, during the entire year, snow falls for 54.6 days and aggregates up to 11.26" (286mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:51 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:21 pm EST.

Sunshine

The average sunshine in December in Three Rivers is 3.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
[Resources]

Frequently asked questions

How cold is it in Three Rivers in December?

In December, in Three Rivers, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in December in Three Rivers?

In December, the average relative humidity in Three Rivers is 84%.

What is the driest month in Three Rivers?

The months with the least rainfall in Three Rivers, Michigan, are January and December Rain falls for 7.2 days and accumulates 0.83" (21mm) of rain.

How much does it rain in Three Rivers in December?

In December, in Three Rivers, the rain falls for 7.2 days. Throughout December, 0.83" (21mm) of precipitation is accumulated.

How many days does it snow in December in Three Rivers?

In Three Rivers, Michigan, during December, snow falls for 11.6 days and regularly aggregates up to 1.5" (38mm) of snow.

What is the month with the shortest days in Three Rivers?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Three Rivers?

In Three Rivers, the average day length in December is 9h and 11min.

What time are sunrise and sunset in December in Three Rivers?

On the first day of December in Three Rivers, sunrise is at 7:51 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:21 pm EST.

How many hours of sunshine does Three Rivers have in December?

The average sunshine duration in December in Three Rivers is 3.2h.

What is the month with the lowest UV index in Three Rivers?

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

How high is the UV index in December in Three Rivers?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Three Rivers, MI

Average temperature in December - Three Rivers, MI
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

[Resources]

Average pressure in December
Three Rivers, MI

Average pressure in December - Three Rivers, MI
  • Average pressure in December: 30.08"Hg

The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in December
Three Rivers, MI

Average wind speed in December - Three Rivers, MI
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

[Resources]

Average humidity in December
Three Rivers, MI

Average humidity in December - Three Rivers, MI
  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

[Resources]

Average rainfall in December
Three Rivers, MI

Average rainfall in December - Three Rivers, MI
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is June (2.28").
The driest months (with the least rainfall) are January and December (0.83").

[Resources]

Average rainfall days in December
Three Rivers, MI

Average rainfall days in December - Three Rivers, MI
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (4.8 days).

[Resources]

Average snowfall in December
Three Rivers, MI

Average snowfall in December - Three Rivers, MI
  • Average snowfall in December: 1.5"

The month with the highest snowfall is January (3.19").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Three Rivers, MI

Average snowfall days in December - Three Rivers, MI
  • Average snowfall days in December: 11.6 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Three Rivers, MI

Average daylight in December / Average sunshine in December - Three Rivers, MI
  • 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 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

[Resources]

Average sunshine days in December
Three Rivers, MI

Average sunshine days in December - Three Rivers, MI
  • Average sunshine days in December: 14 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (11 days).

[Resources]

Average UV index in December
Three Rivers, MI

Average UV index in December - Three Rivers, MI
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in December
Three Rivers, MI

Average cloud cover in December - Three Rivers, MI
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 33).

[Resources]

Average visibility in December
Three Rivers, MI

Average visibility in December - Three Rivers, MI
  • Average visibility in December: 6mi

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

[Resources]

Three Rivers, Michigan, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location