December weather forecast
Spencerville, IN

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Weather in December

The first month of the winter, December, is also an icy month in Spencerville, Indiana, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 35.8°F (2.1°C).

Temperature

With December's onset, the average high-temperature recedes from November's frosty 46.4°F (8°C) to an icy 35.8°F (2.1°C). During December, Spencerville experiences an average low-temperature of 26.1°F (-3.3°C) at night.

Humidity

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

Rainfall

January and December are months with the least rain when the rain falls for 9.3 days and typically aggregates up to 1.34" (34mm) of rain.

Snowfall

Months with snowfall in Spencerville are January through May, October through December. In December, it is snowing for 11.5 days. Throughout December, 2.09" (53mm) of snow is accumulated. Throughout the year, there are 54.1 snowfall days, and 13.43" (341mm) 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 7:46 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:20 pm EST.

Sunshine

In Spencerville, the average sunshine in December is 3.7h.

UV index

December is the month with the lowest UV index in Spencerville, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 1 during December leads to these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Boost your sun resistance with garments that are densely woven yet spacious. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

December temperatures in Spencerville vary between a high-temperature of 35.8°F (2.1°C) and a low-temperature of 26.1°F (-3.3°C).

What is the average humidity in December?

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

What is the driest month?

The months with the least rainfall are January and December Rain falls for 9.3 days and accumulates 1.34" (34mm) of rain.

How many days does it rain in December in Spencerville?

In December, the rain falls for 9.3 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How many days does it snow in December?

In Spencerville, in December, snow falls for 11.5 days, with typically accumulated 2.09" (53mm) 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.

What is the average length of the day in December?

The average day length in December is 9h and 16min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:46 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:20 pm EST.

How long on average sun shines in December in Spencerville?

The average sunshine duration in December is 3.7h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

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
Spencerville, IN

Average temperature in December - Spencerville, IN
  • Average high temperature in December: 35.8°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 (29.8°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 (18.5°F).

Average pressure in December
Spencerville, IN

Average pressure in December - Spencerville, IN
  • Average pressure in December: 30.09"Hg

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

Average wind speed in December
Spencerville, IN

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in December
Spencerville, IN

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

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

Average rainfall in December
Spencerville, IN

Average rainfall in December - Spencerville, 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 January and December (1.34").

Average rainfall days in December
Spencerville, IN

Average rainfall days in December - Spencerville, IN
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in December
Spencerville, IN

Average snowfall in December - Spencerville, IN
  • Average snowfall in December: 2.09"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Spencerville, IN

Average snowfall days in December - Spencerville, IN
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Spencerville, 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 4min

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 12min).

Average sunshine days in December
Spencerville, IN

Average sunshine days in December - Spencerville, IN
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (9.9 days).

Average UV index in December
Spencerville, IN

Average UV index in December - Spencerville, 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
Spencerville, IN

Average cloud cover in December - Spencerville, IN
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Spencerville, IN

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

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

Spencerville, Indiana, USA

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