December weather forecast
Island Park, IN

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Weather in December

December, the first month of the winter in Island Park, is also a wintry month, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 26.1°F (-3.3°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a chilly 46.4°F (8°C) to a cold 35.8°F (2.1°C). An average low-temperature of 26.1°F (-3.3°C) marks the nights in Island Park throughout December.

Humidity

In Island Park, the average relative humidity in December is 84%.

Rainfall

December is the month with the least rainfall in Island Park. Rain falls for 9.5 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

Months with snowfall in Island Park are January through May, October through December. In Island Park, in December, during 12.2 snowfall days, 2.17" (55mm) of snow is typically accumulated. In Island Park, during the entire year, snow falls for 55.5 days and aggregates up to 13.11" (333mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:47 am and sunset at 5:10 pm. On the last day of December, in Island Park, Indiana, sunrise is at 8:06 am and sunset at 5:19 pm EST.

Sunshine

In December, the average sunshine in Island Park is 3.6h.

UV index

The month with the lowest UV index in Island Park is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

How cold is it in Island Park in December?

The high-temperature, in December, in Island Park, is 35.8°F (2.1°C), while the low-temperature averages to 26.1°F (-3.3°C).

What is the average humidity in December in Island Park?

In December, the average relative humidity in Island Park, Indiana, is 84%.

What is the driest month in Island Park?

The month with the least rainfall in Island Park is December, when the rain falls for 9.5 days and typically collects 1.3" (33mm) of precipitation.

How much does it rain in Island Park in December?

In Island Park, Indiana, during December, the rain falls for 9.5 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How many days does it snow in December in Island Park?

In Island Park, in December, during 12.2 snowfall days, 2.17" (55mm) of snow is typically accumulated.

What is the month with the shortest days in Island Park?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Island Park?

The average day length in December in Island Park, Indiana, is 9h and 14min.

When are sunrise and sunset in December in Island Park?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 5:10 pm. On the last day of the month, in Island Park, sunrise is at 8:06 am and sunset at 5:19 pm EST.

How long on average sun shines in December in Island Park?

In Island Park, the average sunshine duration in December is 3.6h.

When is the lowest UV index in Island Park?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index reading in December in Island Park?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Island Park, IN

Average temperature in December - Island Park, IN
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in December
Island Park, IN

Average pressure in December - Island Park, IN
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Island Park, IN

Average wind speed in December - Island Park, IN
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in December
Island Park, IN

Average humidity in December - Island Park, IN
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in December
Island Park, IN

Average rainfall in December - Island Park, IN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in December
Island Park, IN

Average rainfall days in December - Island Park, IN
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in December
Island Park, IN

Average snowfall in December - Island Park, IN
  • Average snowfall in December: 2.17"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Island Park, IN

Average snowfall days in December - Island Park, IN
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is January (14.3 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
Island Park, IN

Average daylight in December / Average sunshine in December - Island Park, IN
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in December
Island Park, IN

Average sunshine days in December - Island Park, IN
  • Average sunshine days in December: 11.7 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (9.2 days).

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Average UV index in December
Island Park, IN

Average UV index in December - Island Park, IN
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Island Park, IN

Average cloud cover in December - Island Park, IN
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in December
Island Park, IN

Average visibility in December - Island Park, IN
  • Average visibility in December: 6mi

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

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Island Park, Indiana, USA

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