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 move into December indicates a reduction in the average high-temperature, down from November's frosty 45.7°F (7.6°C) to an icy 32.5°F (0.3°C). The low-temperature average for State Center during December stands at a freezing cold 21.6°F (-5.8°C).Humidity
The average relative humidity in December is 81%.Rainfall
In State Center, in December, during 3.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In State Center, during the entire year, the rain falls for 102 days and collects up to 10.59" (269mm) of precipitation.Snowfall
Months with snowfall in State Center are January through May, October through December. In State Center, in December, snow falls for 5.5 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 29.9 snowfall days, and 4.92" (125mm) of snow is accumulated.Daylight
December has the shortest days of the year in State Center, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:51 pm CST.
Sunshine
In State Center, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in State Center?
What is the average humidity in December in State Center?
How much does it rain in State Center in December?
How much does it snow in State Center in December?
What is the month with the shortest days in State Center?
What is the average length of the day in December in State Center?
When are sunrise and sunset in December in State Center?
How many hours of sunshine does State Center have in December?
What is the month with the lowest UV index in State Center?
What is the UV index intensity in December in State Center?
Average temperature in December
State Center, IA
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
State Center, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
State Center, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
State Center, 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 (71%).
Average rainfall in December
State Center, IA
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in December
State Center, IA
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
State Center, IA
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
State Center, IA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
State Center, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
State Center, IA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in December
State Center, 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
State Center, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
State Center, 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).
State Center, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location