December weather forecast
Cattese, IA

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Weather in December

December, the first month of the winter in Cattese, is still a freezing cold month, with an average temperature ranging between min 21°F (-6.1°C) and max 31.5°F (-0.3°C).

Temperature

A shift in the average high-temperature occurs in December, reducing from a chilly 43.9°F (6.6°C) in November to a freezing cold 31.5°F (-0.3°C). During the nights in December, the temperature averages to a still subzero cold 21°F (-6.1°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Cattese, in December, during 6.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 135.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Cattese, during December, snow falls for 9 days and regularly aggregates up to 2.68" (68mm) of snow. Throughout the year, there are 43.9 snowfall days, and 17.09" (434mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:30 pm. On the last day of December, in Cattese, sunrise is at 7:31 am and sunset at 4:39 pm CST.

Sunshine

The average sunshine in December is 4h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 1 in December translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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.

Frequently asked questions

How cold is December?

Cattese in December has an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 21°F (-6.1°C).

What is the average humidity in December?

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

How much does it rain in December?

In Cattese, in December, during 6.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Cattese, during December, snow falls for 9 days and regularly aggregates up to 2.68" (68mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Cattese have in December?

The average day length in December is 9h and 8min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:13 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:39 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Cattese, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from 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
Cattese, IA

Average temperature in December - Cattese, IA
  • Average high temperature in December: 31.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in December: 21°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 (12.4°F).

Average pressure in December
Cattese, IA

Average pressure in December - Cattese, IA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Cattese, IA

Average wind speed in December - Cattese, IA
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in December
Cattese, IA

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

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).

Average rainfall in December
Cattese, IA

Average rainfall in December - Cattese, IA
  • Average rainfall in December: 1.38"

The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").

Average rainfall days in December
Cattese, IA

Average rainfall days in December - Cattese, IA
  • Average rainfall days in December: 6.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in December
Cattese, IA

Average snowfall in December - Cattese, IA
  • Average snowfall in December: 2.68"

The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Cattese, IA

Average snowfall days in December - Cattese, IA
  • Average snowfall days in December: 9 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

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 6min).

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Cattese, IA

Average sunshine days in December - Cattese, IA
  • Average sunshine days in December: 17.5 days

The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Cattese, IA

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

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

Average cloud cover in December
Cattese, IA

Average cloud cover in December - Cattese, IA
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Cattese, IA

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

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

Cattese, Iowa, USA

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