Petoskey
Michigan, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Petoskey, MI

A sweet bird
A sweet bird's eye view of the scenic Petoskey, Michigan, the sea outback, and dramatic cloudy skies in the fall
The first month of the winter, December, is also a subzero cold month in Petoskey, Michigan, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 30.9°F (-0.6°C).

Temperature

In December, the average high-temperature decreases, from a cold 41.2°F (5.1°C) in November, to a subzero cold 30.9°F (-0.6°C). The average low-temperature, in December, is 24.1°F (-4.4°C).

Humidity

In Petoskey, the average relative humidity is 85%.

Rainfall

In Petoskey, during 6.6 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 129.6 rainfall days, and 23.43" (595mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Petoskey. December is the month with the most snowfall. Snow falls for 18.8 days and accumulates 8.23" (209mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8.8h of daylight.

Sunshine

In December, the average sunshine in Petoskey, Michigan, is 1.9h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Petoskey. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in December in Petoskey?

In Petoskey, Michigan, in December, the average high-temperature is 30.9°F (-0.6°C), and the average low-temperature is 24.1°F (-4.4°C).

What is the average humidity in December in Petoskey?

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

How many days does it rain in December in Petoskey?

In Petoskey, Michigan, in December, it is raining for 6.6 days, with typically 2.05" (52mm) of accumulated precipitation.

How much does it snow in Petoskey in December?

In Petoskey, in December, snow falls for 18.8 days, with typically accumulated 8.23" (209mm) of snow.

What is the snowiest month in Petoskey?

December is the month with the most snowfall in Petoskey. Snow falls for 18.8 days and accumulates 8.23" (209mm) of snow.

What is the month with the shortest days in Petoskey?

December has the shortest days of the year in Petoskey, Michigan, with an average of 8.8h of daylight.

What is the average length of the day in December in Petoskey?

The average length of the day in December in Petoskey, Michigan, is 8.8h.

How many hours of sunshine does Petoskey have in December?

In December, the average sunshine in Petoskey, Michigan, is 1.9h.

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

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

What is the UV index intensity in December in Petoskey?

In Petoskey, Michigan, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in December - Petoskey, MI
  • Average high temperature in December: -0.6°C

Warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (-3.9°C).

  • Average low temperature in December: -4.4°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (-8.5°C).

Average humidity in December - Petoskey, MI
  • Average humidity in December: 85%

Months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (74%).

Average rainfall in December - Petoskey, MI
  • Average rainfall in December: 52mm

The wettest month (with the highest rainfall) is October (70mm).
The driest month (with the lowest rainfall) is February (34mm).

Average rainfall days in December - Petoskey, MI
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is October (18 days).
The month with the lowest number of rainy days is February (3.7 days).

Average snowfall in December - Petoskey, MI
  • Average snowfall in December: 209mm

The month with the highest snowfall is December (209mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in December - Petoskey, MI
  • Average snowfall days in December: 18.8 days

The month with the highest number of snowfall days is January (21.5 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Petoskey, MI
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in December: 1.9h

The month with most sunshine is July (Average sunshine: 10.1h).
The month with least sunshine is January (Average sunshine: 1.4h).

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

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