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 average high-temperature drops in December, from November's frosty 45.9°F (7.7°C) to a subzero cold 31.8°F (-0.1°C). The nighttime temperature in Arion dips to a still freezing cold 20.3°F (-6.5°C) on average during December.Humidity
In Arion, the average relative humidity in December is 80%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 123 rainfall days, and 24.72" (628mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Arion, in December, during 8 snowfall days, 2.44" (62mm) of snow is typically accumulated. In Arion, during the entire year, snow falls for 36.8 days and aggregates up to 14.53" (369mm) of snow.Daylight
December has the shortest days of the year in Arion, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:51 pm. On the last day of December, in Arion, sunrise is at 7:49 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December in Arion is 4.7h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents 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:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Arion in December?
What is the average humidity in December in Arion?
How much does it rain in Arion in December?
How many days does it snow in December in Arion?
What is the month with the shortest days in Arion?
What is the average length of the day in December in Arion?
What time are sunrise and sunset in December in Arion?
How long on average sun shines in December in Arion?
What is the UV index intensity in December in Arion?
Average temperature in December
Arion, IA
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 20.3°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°F).
Average pressure in December
Arion, 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
Arion, IA
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Arion, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in December
Arion, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Arion, IA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Arion, IA
- Average snowfall in December: 2.44"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Arion, IA
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arion, 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
Arion, IA
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in December
Arion, 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 February (UV index 1).
Average cloud cover in December
Arion, IA
- Average cloud cover in December: 51
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
Arion, 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).
Arion, Iowa, USA
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