December weather forecastGladbrook, IA
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Gladbrook, Iowa, with an average temperature varying between 20.5°F (-6.4°C) and 31.5°F (-0.3°C).Temperature
December's arrival corresponds with a decrease in average high-temperatures, from November's frosty 44.6°F (7°C) to a freezing cold 31.5°F (-0.3°C). In the month of December, the temperature in Gladbrook generally rests at an average low of 20.5°F (-6.4°C).Humidity
The average relative humidity in December in Gladbrook is 82%.Rainfall
In Gladbrook, in December, during 6.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Gladbrook, Iowa, there are 144.6 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
Months with snowfall in Gladbrook are January through May, October through December. In Gladbrook, Iowa, in December, snow falls for 10.5 days, with typically accumulated 3.46" (88mm) of snow. In Gladbrook, during the entire year, snow falls for 47.7 days and aggregates up to 19.02" (483mm) of snow.Daylight
December has the shortest days of the year in Gladbrook, Iowa, with an average of 9h and 12min of daylight.On the first day of December in Gladbrook, sunrise is at 7:20 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:49 pm CST.
Sunshine
In December, the average sunshine in Gladbrook is 4.4h.UV index
The average daily maximum UV index in December in Gladbrook is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gladbrook, IA
- Average high temperature in December: 31.5°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 (25°F).
- Average low temperature in December: 20.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Gladbrook, IA
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Gladbrook, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Gladbrook, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Gladbrook, IA
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Gladbrook, IA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is June (19.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Gladbrook, IA
- Average snowfall in December: 3.46"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gladbrook, IA
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gladbrook, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Gladbrook, IA
- Average sunshine days in December: 16.7 days
The months with the most sunshine days are October and November (16.9 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in December
Gladbrook, IA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Gladbrook, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Gladbrook, 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).
