December weather forecast
Lyons, MI

Share

Weather in December

December, the first month of the winter in Lyons, is also a wintry month, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 33.1°F (0.6°C).

Temperature

As Lyons enters December, the average high-temperature decreases from the a chilly 44.4°F (6.9°C) of November to a cold 33.1°F (0.6°C). During the nights of December, the average low-temperature in Lyons holds at a freezing cold 24.6°F (-4.1°C).

Humidity

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

Rainfall

In Lyons, in December, it is raining for 7.6 days, with typically 1.22" (31mm) of accumulated precipitation. In Lyons, during the entire year, the rain falls for 135.7 days and collects up to 18.58" (472mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Lyons is December, when snow falls for 15.1 days and typically aggregates up to 4.17" (106mm) of snow.

Daylight

December has the shortest days of the year in Lyons, with an average of 9h and 6min of daylight.
On the first day of December in Lyons, sunrise is at 7:51 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:15 pm EST.

Sunshine

The average sunshine in December in Lyons, Michigan, is 3h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Lyons in December?

In Lyons, in December, the average high-temperature is 33.1°F (0.6°C), and the average low-temperature is 24.6°F (-4.1°C).

What is the average humidity in December in Lyons?

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

How much does it rain in Lyons in December?

In Lyons, during December, the rain falls for 7.6 days and regularly aggregates up to 1.22" (31mm) of precipitation.

What is the snowiest month in Lyons?

The month with the most snowfall in Lyons, Michigan, is December, when snow falls for 15.1 days and typically aggregates up to 4.17" (106mm) of snow.

How many days does it snow in December in Lyons?

In Lyons, Michigan, in December, snow falls for 15.1 days, with typically accumulated 4.17" (106mm) of snow.

What is the month with the shortest days in Lyons?

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

How many hours of daylight does Lyons have in December?

In Lyons, Michigan, the average day length in December is 9h and 4min.

What time are sunrise and sunset in December in Lyons?

On the first day of December in Lyons, sunrise is at 7:51 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:15 pm EST.

How many hours of sunshine does Lyons have in December?

The average sunshine duration in December in Lyons is 3h.

When is the lowest UV index in Lyons?

January, November 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 Lyons?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk 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
Lyons, MI

Average temperature in December - Lyons, MI
  • Average high temperature in December: 33.1°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 (27.1°F).

  • Average low temperature in December: 24.6°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in December
Lyons, MI

Average pressure in December - Lyons, MI
  • Average pressure in December: 30.07"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
Lyons, MI

Average wind speed in December - Lyons, MI
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in December
Lyons, MI

Average humidity in December - Lyons, 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
Lyons, MI

Average rainfall in December - Lyons, MI
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (2.52").
The driest months (with the least rainfall) are February and November (1.06").

Average rainfall days in December
Lyons, MI

Average rainfall days in December - Lyons, MI
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in December
Lyons, MI

Average snowfall in December - Lyons, MI
  • Average snowfall in December: 4.17"

The month with the highest snowfall is December (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Lyons, MI

Average snowfall days in December - Lyons, MI
  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Lyons, MI
  • Average daylight in December: 9h and 1min

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 6min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in December
Lyons, MI

Average sunshine days in December - Lyons, MI
  • Average sunshine days in December: 10.9 days

The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in December
Lyons, MI

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

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Lyons, MI

Average cloud cover in December - Lyons, MI
  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Lyons, MI

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

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

Lyons, Michigan, USA

Weather forecast for your location

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