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
A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 46°F (7.8°C) to a cold 33.4°F (0.8°C). During the month of December, an average temperature of 22.5°F (-5.3°C) is noted during the nights in West Amana.Humidity
The average relative humidity in December is 81%.Rainfall
In December, in West Amana, the rain falls for 6.4 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 141.8 rainfall days, and 29.61" (752mm) of precipitation is accumulated.Snowfall
Months with snowfall in West Amana, Iowa, are January through May, October through December. In December, in West Amana, Iowa, it is snowing for 7.7 days. Throughout December, 2.24" (57mm) of snow is accumulated. Throughout the year, there are 36.9 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December in West Amana, 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
The average sunshine in December is 4.5h.UV index
In West Amana, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is December in West Amana?
What is the average humidity in December in West Amana?
How much does it rain in West Amana in December?
How many days does it snow in December in West Amana?
What is the month with the shortest days in West Amana?
How many hours of daylight does West Amana have in December?
What time are sunrise and sunset in December in West Amana?
How long on average sun shines in December in West Amana?
What is the UV index reading in December in West Amana?
Average temperature in December
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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).
West Amana, Iowa, USA
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