December weather forecastElk Run Heights, IA
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Elk Run Heights, Iowa, with an average temperature ranging between max 31.1°F (-0.5°C) and min 20.5°F (-6.4°C).Temperature
Elk Run Heights in December demonstrates a small temperature transition, adjusting from an average high of a chilly 44.1°F (6.7°C) in November to a subzero cold 31.1°F (-0.5°C). In December, Elk Run Heights records an average nighttime temperature of 20.5°F (-6.4°C).Humidity
In Elk Run Heights, the average relative humidity in December is 82%.Rainfall
In Elk Run Heights, in December, it is raining for 5.8 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 133.6 rainfall days, and 28.27" (718mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Elk Run Heights, during December, snow falls for 8.9 days and regularly aggregates up to 2.8" (71mm) of snow. Throughout the year, there are 41.6 snowfall days, and 15.24" (387mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Elk Run Heights, IA
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 20.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in December
Elk Run Heights, 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
Elk Run Heights, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Elk Run Heights, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Elk Run Heights, IA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (4.29").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in December
Elk Run Heights, IA
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Elk Run Heights, IA
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Elk Run Heights, IA
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Elk Run Heights, IA
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Elk Run Heights, IA
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Elk Run Heights, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Elk Run Heights, IA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Elk Run Heights, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





