December weather forecastEricson, IA
December
Weather in December
December, the first month of the winter in Ericson, is also an icy month, with an average temperature fluctuating between 21.2°F (-6°C) and 32.2°F (0.1°C).Temperature
In Ericson, entering December brings a temperature decrement, reducing from November's frosty 45.7°F (7.6°C) to a cold 32.2°F (0.1°C). In Ericson, December's nights observe an average temperature dip to a subzero cold 21.2°F (-6°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Ericson, in December, it is raining for 3.2 days, with typically 0.51" (13mm) of accumulated precipitation. In Ericson, during the entire year, the rain falls for 103.9 days and collects up to 13.46" (342mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Ericson, Iowa, during December, snow falls for 6.1 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, there are 29.9 snowfall days, and 6.3" (160mm) 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 the month, sunrise is at 7:24 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine is 4.6h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ericson, IA
- Average high temperature in December: 32.2°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 (26.4°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Ericson, 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 (29.88"Hg).
Average wind speed in December
Ericson, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Ericson, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Ericson, IA
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Ericson, IA
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Ericson, IA
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ericson, IA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ericson, IA
- Average daylight in December: 9h and 12min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Ericson, IA
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (14 days).
Average UV index in December
Ericson, 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
Ericson, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Ericson, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
