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 start of December comes with a reduction in the average high-temperature, receding from a chilly 48.4°F (9.1°C) in November to a wintry 35.2°F (1.8°C). In December, the average low-temperature is a freezing cold 23.2°F (-4.9°C).Humidity
In Kellerton, the average relative humidity in December is 78%.Rainfall
The months with the least rainfall are February and December Rain falls for 5.4 days and accumulates 0.71" (18mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Kellerton, in December, during 5.8 snowfall days, 1.42" (36mm) of snow is typically accumulated. Throughout the year, in Kellerton, Iowa, there are 28.7 snowfall days, and 11.85" (301mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:59 pm CST.
Sunshine
In Kellerton, the average sunshine in December is 5h.UV index
In December, the average daily maximum UV index in Kellerton is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Kellerton?
What is the average humidity in December in Kellerton?
What is the driest month in Kellerton?
How many days does it rain in December in Kellerton?
How many days does it snow in December in Kellerton?
What is the month with the shortest days in Kellerton?
How many hours of daylight does Kellerton have in December?
When is the sunrise / sunset in December in Kellerton?
How many hours of sunshine does Kellerton have in December?
What is the UV index reading in December in Kellerton?
Average temperature in December
Kellerton, IA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Kellerton, 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 (29.88"Hg).
Average wind speed in December
Kellerton, IA
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Kellerton, IA
- Average humidity in December: 78%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Kellerton, IA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").
Average rainfall days in December
Kellerton, IA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in December
Kellerton, IA
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Kellerton, IA
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kellerton, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Kellerton, IA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Kellerton, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Kellerton, IA
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Kellerton, 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).
Kellerton, Iowa, USA
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