December weather forecast
Sidney, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Sidney, Indiana, with an average temperature fluctuating between 36.1°F (2.3°C) and 26.4°F (-3.1°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 47.1°F (8.4°C) in November to a wintry 36.1°F (2.3°C). Sidney records an average low of 26.4°F (-3.1°C) throughout the nights in December.

Humidity

The average relative humidity in December is 83%.

Rainfall

The months with the least rainfall are February and December Rain falls for 8.9 days and accumulates 1.34" (34mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Sidney, in December, snow falls for 10.1 days, with typically accumulated 2.01" (51mm) of snow. In Sidney, during the entire year, snow falls for 48.1 days and aggregates up to 12.05" (306mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Sidney.
On the first day of the month, sunrise is at 7:49 am and sunset at 5:15 pm. On the last day of December, sunrise is at 8:08 am and sunset at 5:24 pm EST.

Sunshine

The average sunshine in December is 3.8h.

UV index

December is the month with the lowest UV index in Sidney, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Sidney in December?

During December, Sidney experiences an average high-temperature of 36.1°F (2.3°C) and a low-temperature of 26.4°F (-3.1°C).

What is the average humidity in December in Sidney?

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

What is the driest month in Sidney?

February and December are months with the least rain when the rain falls for 8.9 days and typically aggregates up to 1.34" (34mm) of rain.

How many days does it rain in December in Sidney?

In December, the rain falls for 8.9 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How much does it snow in Sidney in December?

In Sidney, during December, snow falls for 10.1 days and regularly aggregates up to 2.01" (51mm) of snow.

What is the month with the shortest days in Sidney?

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

How many hours of daylight does Sidney have in December?

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

When is the sunrise / sunset in December in Sidney?

On the first day of December in Sidney, Indiana, sunrise is at 7:49 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 Sidney have in December?

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

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

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

How high is the UV index in December in Sidney?

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

Average temperature in December - Sidney, IN
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (80.2°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 (63.5°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in December
Sidney, IN

Average pressure in December - Sidney, 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
Sidney, IN

Average wind speed in December - Sidney, 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
Sidney, IN

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

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Sidney, IN

Average rainfall in December - Sidney, IN
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and December (1.34").

Average rainfall days in December
Sidney, IN

Average rainfall days in December - Sidney, IN
  • Average rainfall days in December: 8.9 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).

Average snowfall in December
Sidney, IN

Average snowfall in December - Sidney, IN
  • Average snowfall in December: 2.01"

The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sidney, IN

Average snowfall days in December - Sidney, IN
  • Average snowfall days in December: 10.1 days

The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sidney, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Sidney, IN

Average sunshine days in December - Sidney, IN
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Sidney, IN

Average UV index in December - Sidney, 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
Sidney, IN

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

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in December
Sidney, IN

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

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

Sidney, Indiana, USA

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