December weather forecast and climate
Oakley, MI

Weather in December

The first month of the winter, December, is also a wintry month in Oakley, Michigan, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 24.6°F (-4.1°C).

Temperature

In December, the average high-temperature decreases, from a chilly 44.2°F (6.8°C) in November, to a cold 33.3°F (0.7°C). In December, the average low-temperature is 24.6°F (-4.1°C).

Humidity

The average relative humidity in Oakley is 84%.

Rainfall

December is the month with the least rainfall in Oakley. Rain falls for 6.1 days and accumulates 0.91" (23mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 8.5 days. Throughout December, 1.81" (46mm) of snow is accumulated. Throughout the year, there are 45.1 snowfall days, and 14.33" (364mm) of snow is accumulated.

Daylight

The month with the shortest days in Oakley, 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 in Oakley. A UV Index reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 temperature in December in Oakley?

In Oakley, Michigan, in December, the average high-temperature is 33.3°F (0.7°C), and the average low-temperature is 24.6°F (-4.1°C).

What is the average humidity in December in Oakley?

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

How many days does it rain in December in Oakley?

In Oakley, Michigan, during December, the rain falls for 6.1 days and regularly aggregates up to 0.91" (23mm) of precipitation.

What is the driest month in Oakley?

The month with the least rainfall in Oakley, Michigan, is December when the rain falls for 6.1 days and typically collects 0.91" (23mm) of precipitation.

How much does it snow in Oakley in December?

In December, in Oakley, it is snowing for 8.5 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days in Oakley?

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

How many hours of daylight does Oakley have in December?

The average length of the day in December in Oakley is 9.1h.

How many hours of sunshine does Oakley have in December?

The average sunshine in December is 3.3h.

What is the month with the lowest UV index in Oakley?

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

What is the UV index intensity in December in Oakley?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Oakley, MI

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

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 24.6°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

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Average pressure in December
Oakley, MI

Average pressure in December - Oakley, MI
  • Average pressure in December: 30.06"

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

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Average wind speed in December
Oakley, MI

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

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in December
Oakley, MI

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

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Oakley, MI

Average rainfall in December - Oakley, MI
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days in December
Oakley, MI

Average rainfall days in December - Oakley, MI
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in December
Oakley, MI

Average snowfall in December - Oakley, MI
  • Average snowfall in December: 1.81"

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

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Average snowfall days in December
Oakley, MI

Average snowfall days in December - Oakley, MI
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is February (11.4 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
Oakley, MI

Average daylight in December / Average sunshine in December - Oakley, 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
Oakley, MI

Average sunshine days in December - Oakley, MI
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11 days).

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Average UV index in December
Oakley, MI

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

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

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Average cloud cover in December
Oakley, MI

Average cloud cover in December - Oakley, MI
  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Oakley, MI

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

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

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