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
The shift from November to December brings a noticeable decrease in the average high-temperature, dropping from an icy 42.3°F (5.7°C) to a freezing cold 26.8°F (-2.9°C). Allendorf anticipates an average minimum temperature of 15.8°F (-9°C) in the month of December.Humidity
The average relative humidity in December in Allendorf is 85%.Rainfall
In Allendorf, Iowa, during December, the rain falls for 4.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Allendorf, there are 122.3 rainfall days, and 22.24" (565mm) of precipitation is accumulated.Snowfall
Months with snowfall in Allendorf are January through May, October through December. In December, in Allendorf, it is snowing for 11.1 days. Throughout December, 3.46" (88mm) of snow is accumulated. In Allendorf, during the entire year, snow falls for 51.6 days and aggregates up to 19.69" (500mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December in Allendorf, Iowa, sunrise is at 7:36 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:56 pm CST.
Sunshine
In Allendorf, the average sunshine in December is 4.3h.UV index
The average daily maximum UV index in December in Allendorf, Iowa, is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Allendorf?
What is the average humidity in December in Allendorf?
How much does it rain in Allendorf in December?
How much does it snow in Allendorf in December?
What is the month with the shortest days in Allendorf?
What is the average length of the day in December in Allendorf?
When is the sunrise / sunset in December in Allendorf?
How many hours of sunshine does Allendorf have in December?
What is the UV index intensity in December in Allendorf?
Average temperature in December
Allendorf, IA
- Average high temperature in December: 26.8°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 15.8°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in December
Allendorf, IA
- Average pressure in December: 30.12"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
Allendorf, IA
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Allendorf, IA
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Allendorf, IA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Allendorf, IA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Allendorf, IA
- Average snowfall in December: 3.46"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Allendorf, IA
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Allendorf, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Allendorf, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in December
Allendorf, 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 and February (UV index 1).
Average cloud cover in December
Allendorf, IA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Allendorf, 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).
Allendorf, Iowa, USA
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