December weather forecast
Kokomo, IN

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Weather in December

Kokomo, Indiana, succumbs to the full force of winter in December, known for its cold, dreary days and long, frosty nights. Snowfall increases, tallying at an approximate of 0.75" (19mm), an indicator of the festive season's arrival. The weather grows more severe with temperatures plunging to a chilling low of 27.3°F (-2.6°C). Limited daylight and sunshine cast a gloomy shade over the city, a characteristic fixture of Kokomo's winter. The intensification of wind speeds adds to the harshness, accentuating the bone-chilling ambiance.

Temperature

In Kokomo, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 48.2°F (9°C) to an icy 37.2°F (2.9°C). Kokomo, during the month of December, experiences an average low-temperature of 27.3°F (-2.6°C).

Humidity

The months with the highest humidity are January, July, August and December, with an average relative humidity of 83%.

Rainfall

In December, the rain falls for 6.5 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 125.7 rainfall days, and 13.43" (341mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Kokomo, during December, snow falls for 5.8 days and regularly aggregates up to 0.75" (19mm) of snow. Throughout the year, in Kokomo, there are 30 snowfall days, and 4.65" (118mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:49 am and sunset at 5:18 pm. On the last day of December, in Kokomo, sunrise is at 8:07 am and sunset at 5:28 pm EST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

December is the month with the lowest UV index in Kokomo, Indiana, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 1 during December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Kokomo in December?

Kokomo in December has an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 27.3°F (-2.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is estimated at 87.8°F (31°C).

What are the most humid months in Kokomo?

January, July, August and December, with an average relative humidity of 83%, are most humid months.

What is the average humidity in December in Kokomo?

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

How much does it rain in Kokomo in December?

In Kokomo, in December, during 6.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How many days does it snow in December in Kokomo?

In Kokomo, in December, snow falls for 5.8 days, with typically accumulated 0.75" (19mm) of snow.

What is the month with the shortest days in Kokomo?

December has the shortest days of the year in Kokomo, with an average of 9h and 18min of daylight.

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

In December, the average day length is 9h and 20min.

When are sunrise and sunset in December in Kokomo?

On the first day of December, sunrise is at 7:49 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:28 pm EST.

How long on average sun shines in December in Kokomo?

The average sunshine duration in December in Kokomo is 4.1h.

What is the month with the lowest UV index in Kokomo?

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

What is the UV index reading in December in Kokomo?

In Kokomo, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Kokomo, IN

Average temperature in December - Kokomo, IN
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in December
Kokomo, IN

Average pressure in December - Kokomo, IN
  • Average pressure in December: 30.11"Hg

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Kokomo, IN

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

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in December
Kokomo, IN

Average humidity in December - Kokomo, IN
  • Average humidity in December: 83%

The months with the highest relative humidity are January, July, August and December (83%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Kokomo, IN

Average rainfall in December - Kokomo, IN
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is April (1.77").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in December
Kokomo, IN

Average rainfall days in December - Kokomo, IN
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in December
Kokomo, IN

Average snowfall in December - Kokomo, IN
  • Average snowfall in December: 0.75"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Kokomo, IN

Average snowfall days in December - Kokomo, IN
  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Kokomo, IN
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Kokomo, IN

Average sunshine days in December - Kokomo, IN
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in December
Kokomo, IN

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

The 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).

Average cloud cover in December
Kokomo, IN

Average cloud cover in December - Kokomo, IN
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July and August (Cloud cover 33).

Average visibility in December
Kokomo, IN

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

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

Kokomo, Indiana, USA

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