December weather forecast
Thompsonville, MI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Thompsonville, Michigan, with an average temperature ranging between max 31.1°F (-0.5°C) and min 24.4°F (-4.2°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a wintry 42.1°F (5.6°C) in November to a subzero cold 31.1°F (-0.5°C). An average low-temperature of 24.4°F (-4.2°C) is witnessed throughout the month of December, a mere drop from the daytime peak.

Humidity

In Thompsonville, the average relative humidity in December is 86%.

Rainfall

In Thompsonville, in December, during 4.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Thompsonville, during the entire year, the rain falls for 104.2 days and collects up to 12.72" (323mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 14.6 days and accumulates 4.06" (103mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 8:00 am and sunset at 5:05 pm. On the last day of December, in Thompsonville, sunrise is at 8:20 am and sunset at 5:14 pm EST.

Sunshine

In December, the average sunshine is 2.1h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 1 during December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 31.1°F (-0.5°C) and a low-temperature of 24.4°F (-4.2°C).

What is the average humidity in December?

In December, the average relative humidity is 86%.

How many days does it rain in December?

In Thompsonville, during December, the rain falls for 4.5 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 14.6 days and accumulates 4.06" (103mm) of snow.

How much does it snow in December?

In Thompsonville, in December, during 14.6 snowfall days, 4.06" (103mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

How many hours of daylight does Thompsonville have in December?

In December, the average day length is 8h and 54min.

When are sunrise and sunset in December in Thompsonville?

In December, on the first day of the month, sunrise is at 8:00 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 5:14 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 2.1h.

What are the months with the lowest UV index?

January, February, 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 December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Thompsonville, MI

Average temperature in December - Thompsonville, MI
  • Average high temperature in December: 31.1°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in December
Thompsonville, MI

Average pressure in December - Thompsonville, MI
  • Average pressure in December: 30.05"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
Thompsonville, MI

Average wind speed in December - Thompsonville, MI
  • Average wind speed in December: 11mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in December
Thompsonville, MI

Average humidity in December - Thompsonville, MI
  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in December
Thompsonville, MI

Average rainfall in December - Thompsonville, MI
  • Average rainfall in December: 1.02"

The wettest months (with the highest rainfall) are May and October (1.38").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in December
Thompsonville, MI

Average rainfall days in December - Thompsonville, MI
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is October (12.5 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in December
Thompsonville, MI

Average snowfall in December - Thompsonville, MI
  • Average snowfall in December: 4.06"

The month with the highest snowfall is December (4.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Thompsonville, MI

Average snowfall days in December - Thompsonville, MI
  • Average snowfall days in December: 14.6 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Thompsonville, MI
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 2h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).

Average sunshine days in December
Thompsonville, MI

Average sunshine days in December - Thompsonville, MI
  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in December
Thompsonville, MI

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

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

Average cloud cover in December
Thompsonville, MI

Average cloud cover in December - Thompsonville, MI
  • Average cloud cover in December: 79

The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Thompsonville, MI

Average visibility in December - Thompsonville, MI
  • Average visibility in December: 6mi

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

Thompsonville, Michigan, USA

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