December weather forecast
Onward, IN

Share

Weather in December

The first month of the winter, December, is also a wintry month in Onward, Indiana, with an average temperature ranging between max 36.7°F (2.6°C) and min 27.3°F (-2.6°C).

Temperature

December involves a decrease in temperature, down from a frosty 47.8°F (8.8°C) in November to an icy 36.7°F (2.6°C). Throughout December, an average nighttime temperature of 27.3°F (-2.6°C) is experienced.

Humidity

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

Rainfall

In December, in Onward, the rain falls for 9.6 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. In Onward, during the entire year, the rain falls for 164.6 days and collects up to 29.88" (759mm) of precipitation.

Snowfall

Months with snowfall in Onward, Indiana, are January through April, October through December. In December, in Onward, it is snowing for 9.9 days. Throughout December, 2.8" (71mm) of snow is accumulated. Throughout the year, in Onward, there are 46 snowfall days, and 14.8" (376mm) 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 the month, sunrise is at 7:50 am and sunset at 5:18 pm. On the last day of December, in Onward, Indiana, sunrise is at 8:08 am and sunset at 5:27 pm EST.

Sunshine

The average sunshine in December in Onward is 4.1h.

UV index

December is the month with the lowest UV index in Onward, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, the UV index of 1 transforms into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
[Resources]

Frequently asked questions

How cold is it in Onward in December?

In December, in Onward, the average high-temperature is 36.7°F (2.6°C), and the average low-temperature is 27.3°F (-2.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 87.8°F (31°C).

What is the average humidity in December in Onward?

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

How many days does it rain in December in Onward?

In Onward, in December, during 9.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How much does it snow in Onward in December?

In Onward, Indiana, during December, snow falls for 9.9 days and regularly aggregates up to 2.8" (71mm) of snow.

What is the month with the shortest days in Onward?

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

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

In Onward, the average day length in December is 9h and 19min.

What time are sunrise and sunset in December in Onward?

On the first day of December in Onward, Indiana, sunrise is at 7:50 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:27 pm EST.

How many hours of sunshine does Onward have in December?

In Onward, the average sunshine duration in December is 4.1h.

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

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

What is the UV index reading in December in Onward?

In Onward, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Onward, IN

Average temperature in December - Onward, IN
  • Average high temperature in December: 36.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in December: 27.3°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 (19.2°F).

[Resources]

Average pressure in December
Onward, IN

Average pressure in December - Onward, 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).

[Resources]

Average wind speed in December
Onward, IN

Average wind speed in December - Onward, IN
  • Average wind speed in December: 9.8mph

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).

[Resources]

Average humidity in December
Onward, IN

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

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (73%).

[Resources]

Average rainfall in December
Onward, IN

Average rainfall in December - Onward, IN
  • Average rainfall in December: 1.85"

The wettest months (with the highest rainfall) are April and May (3.58").
The driest month (with the least rainfall) is September (1.77").

[Resources]

Average rainfall days in December
Onward, IN

Average rainfall days in December - Onward, IN
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.7 days).

[Resources]

Average snowfall in December
Onward, IN

Average snowfall in December - Onward, IN
  • Average snowfall in December: 2.8"

The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in December
Onward, IN

Average snowfall days in December - Onward, IN
  • Average snowfall days in December: 9.9 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Onward, 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 months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in December
Onward, IN

Average sunshine days in December - Onward, IN
  • Average sunshine days in December: 12.7 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.4 days).

[Resources]

Average UV index in December
Onward, IN

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

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

[Resources]

Average cloud cover in December
Onward, IN

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

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June and July (Cloud cover 33).

[Resources]

Average visibility in December
Onward, IN

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

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

[Resources]

Onward, Indiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location