December weather forecast
Monon, IN

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Weather in December

December, the first month of the winter in Monon, is still a cold month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 36.5°F (2.5°C).

Temperature

In Monon, the average high-temperature in December drops from a frosty 47.7°F (8.7°C) in November to a cold 36.5°F (2.5°C). Throughout December, the average low-temperature in Monon dips to a freezing cold 26.4°F (-3.1°C).

Humidity

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

Rainfall

In Monon, in December, it is raining for 6.1 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 115.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Monon, in December, snow falls for 5.6 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, there are 29.6 snowfall days, and 3.9" (99mm) 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 December, sunrise is at 7:53 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:29 pm EST.

Sunshine

The average sunshine in December is 4.2h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Monon, 36.5°F (2.5°C) is the average high-temperature and 26.4°F (-3.1°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in December?

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

How many days does it rain in December?

In December, the rain falls for 6.1 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 5.6 days. Throughout December, 0.47" (12mm) of snow is accumulated.

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 Monon have in December?

The average day length in December is 9h and 18min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:53 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:29 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration in Monon is 4.2h.

When is the lowest UV index?

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

How high is the UV index in December?

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

Average temperature in December - Monon, IN
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Monon, IN

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

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

Average wind speed in December
Monon, IN

Average wind speed in December - Monon, IN
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Monon, IN

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Monon, IN

Average rainfall in December - Monon, IN
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in December
Monon, IN

Average rainfall days in December - Monon, IN
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in December
Monon, IN

Average snowfall in December - Monon, IN
  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Monon, IN

Average snowfall days in December - Monon, IN
  • Average snowfall days in December: 5.6 days

The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Monon, 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: 4h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Monon, IN

Average sunshine days in December - Monon, IN
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in December
Monon, IN

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

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

Average cloud cover in December
Monon, IN

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

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Monon, IN

Average visibility in December - Monon, 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).

Monon, Indiana, USA

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