Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December signals a clear decrease in the average high-temperature, dropping from November's chilly 46.8°F (8.2°C) to a subzero cold 31.1°F (-0.5°C). Throughout December, the average low-temperature in Sergeant Bluff dips to 19°F (-7.2°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In December, in Sergeant Bluff, Iowa, the rain falls for 3.2 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. In Sergeant Bluff, during the entire year, the rain falls for 102.3 days and collects up to 12.91" (328mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Sergeant Bluff, during December, snow falls for 7.3 days and regularly aggregates up to 1.42" (36mm) of snow. Throughout the year, there are 31.1 snowfall days, and 6.85" (174mm) of snow is accumulated.Daylight
December has the shortest days of the year in Sergeant Bluff, with an average of 9h and 6min of daylight.On the first day of December in Sergeant Bluff, sunrise is at 7:35 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:02 pm CST.
Sunshine
In Sergeant Bluff, the average sunshine in December is 4.8h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is December in Sergeant Bluff?
What is the average humidity in December in Sergeant Bluff?
How much does it rain in Sergeant Bluff in December?
How many days does it snow in December in Sergeant Bluff?
What is the month with the shortest days in Sergeant Bluff?
What is the average length of the day in December in Sergeant Bluff?
When is the sunrise / sunset in December in Sergeant Bluff?
How many hours of sunshine does Sergeant Bluff have in December?
How high is the UV index in December in Sergeant Bluff?
Average temperature in December
Sergeant Bluff, IA
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 19°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 (13.5°F).
Average pressure in December
Sergeant Bluff, 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 (29.86"Hg).
Average wind speed in December
Sergeant Bluff, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Sergeant Bluff, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Sergeant Bluff, IA
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in December
Sergeant Bluff, IA
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in December
Sergeant Bluff, IA
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sergeant Bluff, IA
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (8.2 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
Sergeant Bluff, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Sergeant Bluff, IA
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in December
Sergeant Bluff, 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
Sergeant Bluff, IA
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Sergeant Bluff, 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).
Sergeant Bluff, Iowa, USA
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