December weather forecast and climate
Howell, MI

Weather in December

December, the first month of the winter, in Howell, is also a wintry month, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 24.8°F (-4°C).

Temperature

In December, the average high-temperature decreases, from a chilly 44.6°F (7°C) in November, to a cold 33.3°F (0.7°C). In December, in Howell, the average low-temperature is 24.8°F (-4°C).

Humidity

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

Rainfall

December is the month with the least rainfall. Rain falls for 7.8 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Howell, Michigan, during December, snow falls for 12.7 days and regularly aggregates up to 2.8" (71mm) of snow. Throughout the year, in Howell, Michigan, there are 62.6 snowfall days, and 16.57" (421mm) of snow is accumulated.

Daylight

The month with the shortest days in Howell, Michigan, is December, with an average of 9.1h of daylight.

Sunshine

In December, the average sunshine is 3.3h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Howell?

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

What is the driest month in Howell?

December is the month with the least rainfall in Howell, Michigan. Rain falls for 7.8 days and accumulates 1.3" (33mm) of precipitation.

How much does it rain in Howell in December?

In December, in Howell, the rain falls for 7.8 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in December in Howell?

In Howell, Michigan, in December, snow falls for 12.7 days, with typically accumulated 2.8" (71mm) of snow.

What is the month with the shortest days in Howell?

With an average of 9.1h of daylight, December has the shortest days of the year in Howell, Michigan.

How many hours of daylight does Howell have in December?

In Howell, Michigan, the average length of the day in December is 9.1h.

How many hours of sunshine does Howell have in December?

In Howell, Michigan, the average sunshine in December is 3.3h.

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

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

How high is the UV index in December in Howell?

The average daily maximum UV index in December in Howell, Michigan, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Howell, MI

Average temperature in December - Howell, MI
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 24.8°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in December
Howell, MI

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

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

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Average wind speed in December
Howell, MI

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

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in December
Howell, MI

Average humidity in December - Howell, MI
  • Average humidity in December: 84%

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

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Average rainfall in December
Howell, MI

Average rainfall in December - Howell, MI
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in December
Howell, MI

Average rainfall days in December - Howell, MI
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in December
Howell, MI

Average snowfall in December - Howell, MI
  • Average snowfall in December: 2.8"

The month with the highest snowfall is February (4.57").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Howell, MI

Average snowfall days in December - Howell, MI
  • Average snowfall days in December: 12.7 days

The month with the highest number of snowfall days is January (16 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Howell, MI
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 3.3h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 2.8h).

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Average sunshine days in December
Howell, MI

Average sunshine days in December - Howell, MI
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (9.9 days).

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Average UV index in December
Howell, MI

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

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

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Average cloud cover in December
Howell, MI

Average cloud cover in December - Howell, 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 31).

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Average visibility in December
Howell, MI

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

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

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