December weather forecastKillduff, IA
December
Weather in December
The first month of the winter, December, is still a cold month in Killduff, Iowa, with temperature in the range of an average low of 22.1°F (-5.5°C) and an average high of 33.8°F (1°C).Temperature
December comes with a decrease in the average high-temperature, falling from a frosty 46.9°F (8.3°C) in November to a cold 33.8°F (1°C). Nightly temperatures drop to an average low of 22.1°F (-5.5°C) in December.Humidity
The average relative humidity in December in Killduff is 80%.Rainfall
The months with the least rainfall are January, February and December Rain falls for 4.3 days and accumulates 0.39" (10mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Killduff, in December, snow falls for 5 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, in Killduff, Iowa, there are 28.8 snowfall days, and 5.28" (134mm) of snow is accumulated.Daylight
December has the shortest days of the year in Killduff, Iowa, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:42 pm. On the last day of December, in Killduff, sunrise is at 7:38 am and sunset at 4:51 pm CST.
Sunshine
In Killduff, the average sunshine in December is 4.7h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Killduff, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Killduff, 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
Killduff, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Killduff, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Killduff, IA
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January, February and December (0.39").
Average rainfall days in December
Killduff, IA
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in December
Killduff, IA
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Killduff, IA
- Average snowfall days in December: 5 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
Killduff, IA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 42min
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 12min).
Average sunshine days in December
Killduff, 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 (12.2 days).
Average UV index in December
Killduff, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Killduff, IA
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in December
Killduff, 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).
