December weather forecast
Cumberland, IN

Weather in December

December, the first month of the winter, in Cumberland, is still a cold month, with temperature in the range of an average low of 28°F (-2.2°C) and an average high of 38.3°F (3.5°C).

Temperature

In Cumberland, the average high-temperature drops, from a chilly 49.3°F (9.6°C) in November, to a cold 38.3°F (3.5°C). The average low-temperature, in December, is 28°F (-2.2°C).

Humidity

Months with the highest humidity are January and December, with an average relative humidity of 82%.

Rainfall

In December, the rain falls for 4.2 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Cumberland, Indiana, during the entire year, the rain falls for 96.6 days and collects up to 7.32" (186mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Cumberland. December is the month with the most snowfall. Snow falls for 4.3 days and accumulates 0.59" (15mm) of snow.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year.

Sunshine

In Cumberland, the average sunshine is 4.2h.

UV index

The month with the lowest UV index in Cumberland is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
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. 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 are the most humid months in Cumberland?

Months with the highest humidity in Cumberland, Indiana, are January and December, with an average relative humidity of 82%.

What is the average humidity in December in Cumberland?

In December, the average relative humidity in Cumberland, Indiana, is 82%.

How many days does it rain in December in Cumberland?

In December, in Cumberland, Indiana, the rain falls for 4.2 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

What is the snowiest month in Cumberland?

December is the month with the most snowfall in Cumberland. Snow falls for 4.3 days and accumulates 0.59" (15mm) of snow.

How many days does it snow in December in Cumberland?

In Cumberland, during December, snow falls for 4.3 days and regularly aggregates up to 0.59" (15mm) of snow.

What is the month with the shortest days in Cumberland?

With an average of 9.4h of daylight, December has the shortest days of the year.

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

In December, the average length of the day in Cumberland is 9.4h.

How many hours of sunshine does Cumberland have in December?

The average sunshine in December is 4.2h.

When is the lowest UV index in Cumberland?

With an average maximum UV index of 1, December is the month with the lowest UV index in Cumberland, Indiana.

What is the UV index reading in December in Cumberland?

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

Average temperature in December
Cumberland, IN

Average temperature in December - Cumberland, IN
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in December
Cumberland, IN

Average pressure in December - Cumberland, IN
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in December
Cumberland, IN

Average wind speed in December - Cumberland, IN
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Cumberland, IN

Average humidity in December - Cumberland, IN
  • Average humidity in December: 82%

Months with the highest relative humidity are January and December (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Cumberland, IN

Average rainfall in December - Cumberland, IN
  • Average rainfall in December: 0.55"

The wettest months (with the highest rainfall) are May and June (0.87").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in December
Cumberland, IN

Average rainfall days in December - Cumberland, IN
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is December (4.2 days).

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Average snowfall in December
Cumberland, IN

Average snowfall in December - Cumberland, IN
  • Average snowfall in December: 0.59"

The month with the highest snowfall is December (0.59").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Cumberland, IN

Average snowfall days in December - Cumberland, IN
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (5.1 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Cumberland, IN

Average daylight in December / Average sunshine in December - Cumberland, IN
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 4.2h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in December
Cumberland, IN

Average sunshine days in December - Cumberland, IN
  • Average sunshine days in December: 22.6 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is June (15 days).

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Average UV index in December
Cumberland, IN

Average UV index in December - Cumberland, IN
  • Average UV index in December: 1

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

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Average cloud cover in December
Cumberland, IN

Average cloud cover in December - Cumberland, IN
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Cumberland, IN

Average visibility in December - Cumberland, IN
  • Average visibility in December: 6mi

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

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