December weather forecast
Gratiot, WI

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Weather in December

December, the first month of the winter in Gratiot, is still a freezing cold month, with an average temperature fluctuating between 21.2°F (-6°C) and 31.5°F (-0.3°C).

Temperature

Gratiot in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 43.7°F (6.5°C) to a subzero cold 31.5°F (-0.3°C). In December, the nighttime temperature lowers to an average of 21.2°F (-6°C).

Humidity

In December, the average relative humidity is 83%.

Rainfall

In December, the rain falls for 6.5 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 140.7 rainfall days, and 24.09" (612mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Gratiot are January through April, October through December. In Gratiot, in December, during 10.6 snowfall days, 2.95" (75mm) of snow is typically accumulated. In Gratiot, during the entire year, snow falls for 49.5 days and aggregates up to 14.76" (375mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:10 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:36 pm CST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 1 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Gratiot, records 31.5°F (-0.3°C), while the low-temperature is 21.2°F (-6°C).

What is the average humidity in December?

In Gratiot, Wisconsin, the average relative humidity in December is 83%.

How much does it rain in December?

In Gratiot, in December, during 6.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Gratiot, during December, snow falls for 10.6 days and regularly aggregates up to 2.95" (75mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Gratiot have in December?

The average day length in December is 9h and 7min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:36 pm CST.

How many hours of sunshine does Gratiot have in December?

The average sunshine duration in December in Gratiot is 3.9h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In Gratiot, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health threat from 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
Gratiot, WI

Average temperature in December - Gratiot, WI
  • Average high temperature in December: 31.5°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 (24.8°F).

  • Average low temperature in December: 21.2°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).

Average pressure in December
Gratiot, WI

Average pressure in December - Gratiot, WI
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Gratiot, WI

Average wind speed in December - Gratiot, WI
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in December
Gratiot, WI

Average humidity in December - Gratiot, WI
  • Average humidity in December: 83%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April, October and November (77%).

Average rainfall in December
Gratiot, WI

Average rainfall in December - Gratiot, WI
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in December
Gratiot, WI

Average rainfall days in December - Gratiot, WI
  • Average rainfall days in December: 6.5 days

The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in December
Gratiot, WI

Average snowfall in December - Gratiot, WI
  • Average snowfall in December: 2.95"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Gratiot, WI

Average snowfall days in December - Gratiot, WI
  • Average snowfall days in December: 10.6 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Gratiot, WI

Average daylight in December / Average sunshine in December - Gratiot, WI
  • 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 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December
Gratiot, WI

Average sunshine days in December - Gratiot, WI
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in December
Gratiot, WI

Average UV index in December - Gratiot, WI
  • Average UV index in December: 1

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

Average cloud cover in December
Gratiot, WI

Average cloud cover in December - Gratiot, WI
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in December
Gratiot, WI

Average visibility in December - Gratiot, WI
  • Average visibility in December: 6mi

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

Gratiot, Wisconsin, USA

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