December weather forecast
Ripon, WI

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Weather in December

December, the first month of the winter in Ripon, is still a freezing cold month, with an average temperature fluctuating between 28.6°F (-1.9°C) and 18.5°F (-7.5°C).

Temperature

Onset of December comes with a temperature decline, the average high falling from an icy 41.9°F (5.5°C) in November to a freezing cold 28.6°F (-1.9°C). Throughout December, the average low-temperature in Ripon records at 18.5°F (-7.5°C).

Humidity

The average relative humidity in December in Ripon is 85%.

Rainfall

In December, in Ripon, the rain falls for 6.4 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. In Ripon, during the entire year, the rain falls for 139.7 days and collects up to 26.85" (682mm) of precipitation.

Snowfall

Months with snowfall in Ripon are January through May, October through December. In December, in Ripon, it is snowing for 13.5 days. Throughout December, 4.09" (104mm) of snow is accumulated. Throughout the year, there are 60.9 snowfall days, and 20.87" (530mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:27 pm CST.

Sunshine

The average sunshine in December is 3.8h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

How cold is it in Ripon in December?

The high-temperature in Ripon during December is 28.6°F (-1.9°C) and the low-temperature is 18.5°F (-7.5°C).

What is the average humidity in December in Ripon?

The average relative humidity in December in Ripon is 85%.

How much does it rain in Ripon in December?

In Ripon, during December, the rain falls for 6.4 days and regularly aggregates up to 1.54" (39mm) of precipitation.

How many days does it snow in December in Ripon?

In Ripon, Wisconsin, during December, snow falls for 13.5 days and regularly aggregates up to 4.09" (104mm) of snow.

What is the month with the shortest days in Ripon?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

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

The average day length in December is 8h and 59min.

When are sunrise and sunset in December in Ripon?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:27 pm CST.

How long on average sun shines in December in Ripon?

In December, the average sunshine duration in Ripon, Wisconsin, is 3.8h.

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

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

What is the UV index reading in December in Ripon?

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

Average temperature in December - Ripon, WI
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in December: 18.5°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 (10.6°F).

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Average pressure in December
Ripon, WI

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

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Ripon, WI

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

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in December
Ripon, WI

Average humidity in December - Ripon, WI
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Ripon, WI

Average rainfall in December - Ripon, WI
  • Average rainfall in December: 1.54"

The wettest months (with the highest rainfall) are May and June (3.39").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in December
Ripon, WI

Average rainfall days in December - Ripon, WI
  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in December
Ripon, WI

Average snowfall in December - Ripon, WI
  • Average snowfall in December: 4.09"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Ripon, WI

Average snowfall days in December - Ripon, WI
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is January (15.3 days).
The 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
Ripon, WI

Average daylight in December / Average sunshine in December - Ripon, WI
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in December
Ripon, WI

Average sunshine days in December - Ripon, WI
  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is September (16 days).
The month with the least sunshine days is June (10.6 days).

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Average UV index in December
Ripon, WI

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

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

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Average cloud cover in December
Ripon, WI

Average cloud cover in December - Ripon, WI
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Ripon, WI

Average visibility in December - Ripon, WI
  • Average visibility in December: 5mi

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

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Ripon, Wisconsin, USA

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