December weather forecast
Kalona, IA

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Weather in December

The first month of the winter, December, is also an icy month in Kalona, Iowa, with temperature in the range of an average high of 34.5°F (1.4°C) and an average low of 23.2°F (-4.9°C).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a frosty 47.1°F (8.4°C) to a wintry 34.5°F (1.4°C). Throughout December, the average low-temperature in Kalona dips to a freezing cold 23.2°F (-4.9°C).

Humidity

In Kalona, the average relative humidity in December is 81%.

Rainfall

In Kalona, during December, the rain falls for 6.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Kalona, during the entire year, the rain falls for 144.7 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Kalona. In Kalona, in December, snow falls for 6.9 days, with typically accumulated 1.93" (49mm) of snow. Throughout the year, there are 34.4 snowfall days, and 14.61" (371mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Kalona, with an average of 9h and 12min of daylight.
On the first day of December in Kalona, sunrise is at 7:14 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:47 pm CST.

Sunshine

In Kalona, Iowa, the average sunshine in December is 4.6h.

UV index

The months with the lowest UV index in Kalona are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 1 during December leads to these advisories:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

How cold is December in Kalona?

In Kalona, 34.5°F (1.4°C) is the average high-temperature and 23.2°F (-4.9°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is calculated to be 86°F (30°C).

What is the average humidity in December in Kalona?

In Kalona, Iowa, the average relative humidity in December is 81%.

How many days does it rain in December in Kalona?

In December, in Kalona, Iowa, the rain falls for 6.8 days. Throughout December, 1.42" (36mm) of precipitation is accumulated.

How much does it snow in Kalona in December?

In Kalona, during December, snow falls for 6.9 days and regularly aggregates up to 1.93" (49mm) of snow.

What is the month with the shortest days in Kalona?

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

How many hours of daylight does Kalona have in December?

The average day length in December in Kalona is 9h and 14min.

When are sunrise and sunset in December in Kalona?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:37 pm. On the last day of the month, in Kalona, Iowa, sunrise is at 7:33 am and sunset at 4:47 pm CST.

How many hours of sunshine does Kalona have in December?

The average sunshine duration in December is 4.6h.

When is the lowest UV index in Kalona?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Kalona.

What is the UV index reading in December in Kalona?

The average daily maximum UV index in December in Kalona, Iowa, is 1. A UV Index of 2, and less, symbolizes 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
Kalona, IA

Average temperature in December - Kalona, IA
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in December
Kalona, IA

Average pressure in December - Kalona, IA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Kalona, IA

Average wind speed in December - Kalona, IA
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

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Average humidity in December
Kalona, IA

Average humidity in December - Kalona, IA
  • Average humidity in December: 81%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Kalona, IA

Average rainfall in December - Kalona, IA
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.26").

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Average rainfall days in December
Kalona, IA

Average rainfall days in December - Kalona, IA
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in December
Kalona, IA

Average snowfall in December - Kalona, IA
  • Average snowfall in December: 1.93"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Kalona, IA

Average snowfall days in December - Kalona, IA
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

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 12min).

  • Average sunshine in December: 4h 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: 4h and 6min).

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Average sunshine days in December
Kalona, IA

Average sunshine days in December - Kalona, IA
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in December
Kalona, IA

Average UV index in December - Kalona, IA
  • Average UV index in December: 1

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

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Average cloud cover in December
Kalona, IA

Average cloud cover in December - Kalona, 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 August (Cloud cover 29).

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Average visibility in December
Kalona, IA

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

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

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Kalona, Iowa, USA

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