December weather forecastKennebec, IA
December
Weather in December
The first month of the winter, December, is also a wintry month in Kennebec, Iowa, with an average temperature fluctuating between 20.3°F (-6.5°C) and 32.2°F (0.1°C).Temperature
Kennebec's December weather is marked by a distinct drop in high-temperatures, declining from a frosty 47.3°F (8.5°C) in November to a wintry 32.2°F (0.1°C). Kennebec's temperature tends to fall to an average low of 20.3°F (-6.5°C) during the nights of December.Humidity
In Kennebec, the average relative humidity in December is 79%.Rainfall
In December, in Kennebec, the rain falls for 3.5 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Kennebec, during the entire year, the rain falls for 117.6 days and collects up to 21.89" (556mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Kennebec, Iowa, during December, snow falls for 7 days and regularly aggregates up to 2.13" (54mm) of snow. In Kennebec, Iowa, during the entire year, snow falls for 32.9 days and aggregates up to 11.69" (297mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December in Kennebec, Iowa, sunrise is at 7:33 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kennebec, IA
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Kennebec, 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 (29.86"Hg).
Average wind speed in December
Kennebec, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Kennebec, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).
Average rainfall in December
Kennebec, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Kennebec, IA
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in December
Kennebec, IA
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Kennebec, IA
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kennebec, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Kennebec, IA
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Kennebec, IA
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Kennebec, IA
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Kennebec, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
