December weather forecast
Warsaw, IN

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Weather in December

The first month of the winter, December, is still a cold month in Warsaw, Indiana, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 26.1°F (-3.3°C).

Temperature

December's arrival correlates with a reduction in the average high-temperature, down from a chilly 46.8°F (8.2°C) in November to a wintry 36°F (2.2°C). In the month of December, the nighttime temperature dips to a steady average of 26.1°F (-3.3°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

The month with the least rainfall is December, when the rain falls for 10.2 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Warsaw, Indiana, in December, snow falls for 12.3 days, with typically accumulated 2.4" (61mm) of snow. Throughout the year, there are 54.5 snowfall days, and 14.33" (364mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:50 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:24 pm EST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Warsaw, is 36°F (2.2°C), while the low-temperature averages to 26.1°F (-3.3°C).

What is the average humidity in December?

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

What is the driest month?

December is the month with the least rainfall. Rain falls for 10.2 days and accumulates 1.5" (38mm) of precipitation.

How many days does it rain in December?

In Warsaw, in December, during 10.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Warsaw, in December, snow falls for 12.3 days, with typically accumulated 2.4" (61mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Warsaw have in December?

In Warsaw, the average day length in December is 9h and 16min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:50 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:24 pm EST.

How many hours of sunshine does Warsaw have in December?

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

When is the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from 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
Warsaw, IN

Average temperature in December - Warsaw, IN
  • Average high temperature in December: 36°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 (18.7°F).

Average pressure in December
Warsaw, IN

Average pressure in December - Warsaw, IN
  • Average pressure in December: 30.1"Hg

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

Average wind speed in December
Warsaw, IN

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December
Warsaw, IN

Average humidity in December - Warsaw, IN
  • Average humidity in December: 84%

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

Average rainfall in December
Warsaw, IN

Average rainfall in December - Warsaw, IN
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (1.5").

Average rainfall days in December
Warsaw, IN

Average rainfall days in December - Warsaw, IN
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Warsaw, IN

Average snowfall in December - Warsaw, IN
  • Average snowfall in December: 2.4"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Warsaw, IN

Average snowfall days in December - Warsaw, IN
  • Average snowfall days in December: 12.3 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 18min).

  • Average sunshine in December: 3h and 5min

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 18min).

Average sunshine days in December
Warsaw, IN

Average sunshine days in December - Warsaw, IN
  • Average sunshine days in December: 12 days

The month with the most sunshine days is November (15.3 days).
The months with the least sunshine days are February and June (9.3 days).

Average UV index in December
Warsaw, IN

Average UV index in December - Warsaw, 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).

Average cloud cover in December
Warsaw, IN

Average cloud cover in December - Warsaw, IN
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Warsaw, IN

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

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

Warsaw, Indiana, USA

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