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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 45.9°F (7.7°C) in November to a wintry 32°F (0°C). The nights of December anticipate an average low-temperature of 20.7°F (-6.3°C).Humidity
In Aspinwall, the average relative humidity in December is 80%.Rainfall
In Aspinwall, during December, the rain falls for 4.5 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Aspinwall, during the entire year, the rain falls for 126.1 days and collects up to 26.38" (670mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 9.1 days. Throughout December, 3.07" (78mm) of snow is accumulated. Throughout the year, there are 41.5 snowfall days, and 18.23" (463mm) 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 7:29 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:59 pm CST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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 much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December in Aspinwall?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Aspinwall, IA
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 20.7°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 (13.8°F).
Average pressure in December
Aspinwall, 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 (29.87"Hg).
Average wind speed in December
Aspinwall, IA
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Aspinwall, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).
Average rainfall in December
Aspinwall, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Aspinwall, IA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Aspinwall, IA
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Aspinwall, IA
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Aspinwall, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Aspinwall, IA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Aspinwall, 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, February, October, November and December (UV index 2).
Average cloud cover in December
Aspinwall, IA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Aspinwall, 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).
Aspinwall, Iowa, USA
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