December weather forecast
Jasper, IN

Weather in December

The first month of the winter, December, is still a chilly month in Jasper, Indiana, with an average temperature fluctuating between 43.3°F (6.3°C) and 31.5°F (-0.3°C).

Temperature

In Jasper, the average high-temperature in December drops from a cool 52.9°F (11.6°C) in November to a chilly 43.3°F (6.3°C). In December, in Jasper, the average low-temperature is 31.5°F (-0.3°C).

Humidity

The average relative humidity in December in Jasper is 80%.

Rainfall

In Jasper, in December, during 10.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Jasper, Indiana, during the entire year, the rain falls for 166.2 days and collects up to 39.17" (995mm) of precipitation.

Snowfall

Months with snowfall are January through April, September through December. In Jasper, during December, snow falls for 5.2 days and regularly aggregates up to 1.42" (36mm) of snow. Throughout the year, there are 25.4 snowfall days, and 7.8" (198mm) of snow is accumulated.

Daylight

With an average of 9h and 32min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:46 am and sunset at 5:27 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:36 pm EST.

Sunshine

The month with the least sunshine in Jasper is December, with an average of 4.4h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the 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 is the average humidity in December in Jasper?

The average relative humidity in December is 80%.

How many days does it rain in December in Jasper?

In Jasper, Indiana, in December, it is raining for 10.8 days, with typically 3.11" (79mm) of accumulated precipitation.

How many days does it snow in December in Jasper?

In Jasper, Indiana, in December, during 5.2 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the month with the shortest days in Jasper?

December has the shortest days of the year in Jasper, Indiana, with an average of 9h and 32min of daylight.

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

In Jasper, the average day length in December is 9h and 32min.

When are sunrise and sunset in December in Jasper?

On the first day of December in Jasper, sunrise is at 7:46 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:36 pm EST.

What is the month with the least sunshine in Jasper?

With an average of 4.4h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Jasper have in December?

In Jasper, Indiana, the average sunshine duration in December is 4.4h.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Jasper, Indiana.

What is the UV index intensity in December in Jasper?

In December, the average daily maximum UV index in Jasper, Indiana, is 2. A UV Index of 2, and less, symbolizes 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
Jasper, IN

Average temperature in December - Jasper, IN
  • Average high temperature in December: 43.3°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in December
Jasper, IN

Average pressure in December - Jasper, IN
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Jasper, IN

Average wind speed in December - Jasper, IN
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in December
Jasper, IN

Average humidity in December - Jasper, IN
  • Average humidity in December: 80%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in December
Jasper, IN

Average rainfall in December - Jasper, IN
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is April (4.84").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Jasper, IN

Average rainfall days in December - Jasper, IN
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (10.3 days).

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Average snowfall in December
Jasper, IN

Average snowfall in December - Jasper, IN
  • Average snowfall in December: 1.42"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in December
Jasper, IN

Average snowfall days in December - Jasper, IN
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Jasper, IN
  • Average daylight in December: 9h and 32min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 32min).

  • Average sunshine in December: 4h and 24min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in December
Jasper, IN

Average sunshine days in December - Jasper, IN
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (9.4 days).

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Average UV index in December
Jasper, IN

Average UV index in December - Jasper, IN
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Jasper, IN

Average cloud cover in December - Jasper, IN
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Jasper, IN

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

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

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