December weather forecast
Calumet, IA

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Weather in December

The first month of the winter, December, is still a freezing cold month in Calumet, Iowa, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 29.1°F (-1.6°C).

Temperature

In Calumet, the average high-temperature in December drops, from a frosty 44.1°F (6.7°C) in November, to a subzero cold 29.1°F (-1.6°C). Calumet, during December nights, observes an average temperature of 19°F (-7.2°C).

Humidity

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

Rainfall

In Calumet, in December, during 4.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Calumet, there are 117 rainfall days, and 19.84" (504mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Calumet, Iowa, are January through May, October through December. In Calumet, Iowa, in December, during 8 snowfall days, 1.77" (45mm) of snow is typically accumulated. In Calumet, during the entire year, snow falls for 36.4 days and aggregates up to 10.67" (271mm) of snow.

Daylight

The month with the shortest days in Calumet is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:34 am and sunset at 4:48 pm. On the last day of December, in Calumet, sunrise is at 7:53 am and sunset at 4:57 pm CST.

Sunshine

In Calumet, the average sunshine in December is 4.7h.

UV index

In Calumet, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Calumet in December?

In Calumet, in December, the average high-temperature is 29.1°F (-1.6°C), and the average low-temperature is 19°F (-7.2°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in December in Calumet?

The average relative humidity in December is 82%.

How much does it rain in Calumet in December?

In Calumet, during December, the rain falls for 4.2 days and regularly aggregates up to 0.94" (24mm) of precipitation.

How much does it snow in Calumet in December?

In Calumet, during December, snow falls for 8 days and regularly aggregates up to 1.77" (45mm) of snow.

What is the month with the shortest days in Calumet?

The month with the shortest days in Calumet, Iowa, is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Calumet have in December?

In Calumet, the average day length in December is 9h and 5min.

What time are sunrise and sunset in December in Calumet?

On the first day of December in Calumet, sunrise is at 7:34 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:57 pm CST.

How long on average sun shines in December in Calumet?

In Calumet, the average sunshine duration in December is 4.7h.

How high is the UV index in December in Calumet?

In Calumet, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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
Calumet, IA

Average temperature in December - Calumet, IA
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (24.4°F).

  • Average low temperature in December: 19°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12°F).

Average pressure in December
Calumet, IA

Average pressure in December - Calumet, 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
Calumet, IA

Average wind speed in December - Calumet, IA
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in December
Calumet, IA

Average humidity in December - Calumet, IA
  • Average humidity in December: 82%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).

Average rainfall in December
Calumet, IA

Average rainfall in December - Calumet, IA
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Calumet, IA

Average rainfall days in December - Calumet, IA
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in December
Calumet, IA

Average snowfall in December - Calumet, IA
  • Average snowfall in December: 1.77"

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
Calumet, IA

Average snowfall days in December - Calumet, IA
  • Average snowfall days in December: 8 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Calumet, IA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Calumet, IA

Average sunshine days in December - Calumet, IA
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in December
Calumet, IA

Average UV index in December - Calumet, IA
  • Average UV index in December: 2

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

Average cloud cover in December
Calumet, IA

Average cloud cover in December - Calumet, IA
  • Average cloud cover in December: 52

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
Calumet, IA

Average visibility in December - Calumet, IA
  • Average visibility in December: 6mi

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

Calumet, Iowa, USA

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