December weather forecastTempleton, IA

December

Weather in December

The first month of the winter, December, is still a cold month in Templeton, Iowa, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 32°F (0°C).

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 45.9°F (7.7°C) to an icy 32°F (0°C). Throughout December, Templeton experiences a low-temperature average of 20.7°F (-6.3°C).

Humidity

The average relative humidity in December is 80%.

Rainfall

In Templeton, in December, during 4.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Templeton, during the entire year, the rain falls for 126.1 days and collects up to 26.38" (670mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Templeton, during December, snow falls for 9.1 days and regularly aggregates up to 3.07" (78mm) of snow. Throughout the year, there are 41.5 snowfall days, and 18.23" (463mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:28 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:58 pm CST.

Sunshine

The average sunshine in December is 4.7h.

UV index

The months with the lowest UV index in Templeton are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 2 in December translates into these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 32°F (0°C) and 20.7°F (-6.3°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in July is computed to be 87.8°F (31°C).

In Templeton, the average relative humidity in December is 80%.

In Templeton, Iowa, in December, it is raining for 4.5 days, with typically 1.57" (40mm) of accumulated precipitation.

In Templeton, in December, during 9.1 snowfall days, 3.07" (78mm) of snow is typically accumulated.

With an average of 9h and 12min of daylight, December has the shortest days of the year.

The average day length in December is 9h and 11min.

In December, on the first day of the month, sunrise is at 7:28 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:58 pm CST.

The average sunshine duration in December is 4.7h.

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Templeton, IA

  • Average high temperature in December: 32°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 20.7°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in December
Templeton, IA

  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Templeton, IA

  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in December
Templeton, IA

  • Average humidity in December: 80%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

Average rainfall in December
Templeton, IA

  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in December
Templeton, IA

  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in December
Templeton, IA

  • Average snowfall in December: 3.07"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Templeton, IA

  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Templeton, IA

  • Average daylight in December: 9h and 12min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Templeton, IA

  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Templeton, IA

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in December
Templeton, IA

  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
Templeton, IA

  • Average visibility in December: 6mi

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