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
As High Amana enters December, the average high-temperature decreases from the a chilly 46°F (7.8°C) of November to an icy 33.4°F (0.8°C). Throughout December, High Amana's nights cool down to an average of 22.5°F (-5.3°C).Humidity
The average relative humidity in December is 81%.Rainfall
In High Amana, Iowa, during December, the rain falls for 6.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in High Amana, there are 141.8 rainfall days, and 29.61" (752mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In High Amana, Iowa, in December, snow falls for 7.7 days, with typically accumulated 2.24" (57mm) of snow. Throughout the year, there are 36.9 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:47 pm CST.
Sunshine
In High Amana, the average sunshine in December is 4.5h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in High Amana?
When are sunrise and sunset in December?
How many hours of sunshine does High Amana have in December?
What is the UV index reading in December?
Average temperature in December
High Amana, IA
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
High Amana, 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 (29.89"Hg).
Average wind speed in December
High Amana, IA
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
High Amana, IA
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
High Amana, IA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
High Amana, IA
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
High Amana, IA
- Average snowfall in December: 2.24"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
High Amana, IA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
High Amana, 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 12min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
High Amana, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in December
High Amana, 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
High Amana, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in December
High Amana, 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).
High Amana, Iowa, USA
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