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
December's arrival corresponds with a decrease in average high-temperatures, from November's chilly 47.5°F (8.6°C) to a cold 34.7°F (1.5°C). During December nights, Ackworth records an average temperature of 22.8°F (-5.1°C).Humidity
In Ackworth, the average relative humidity in December is 78%.Rainfall
December is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.55" (14mm) of precipitation.Snowfall
Months with snowfall in Ackworth are January through May, October through December. In December, it is snowing for 5.7 days. Throughout December, 0.94" (24mm) of snow is accumulated. Throughout the year, there are 31.9 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Ackworth.On the first day of December, sunrise is at 7:21 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:54 pm CST.
Sunshine
In Ackworth, the average sunshine in December is 4.8h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Ackworth in December?
What is the average humidity in December in Ackworth?
What is the driest month in Ackworth?
How many days does it rain in December in Ackworth?
How many days does it snow in December in Ackworth?
What is the month with the shortest days in Ackworth?
What is the average length of the day in December in Ackworth?
When are sunrise and sunset in December in Ackworth?
How many hours of sunshine does Ackworth have in December?
How high is the UV index in December in Ackworth?
Average temperature in December
Ackworth, IA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Ackworth, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Ackworth, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Ackworth, IA
- Average humidity in December: 78%
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Ackworth, IA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in December
Ackworth, IA
- Average rainfall days in December: 4.7 days
The months with the highest number of rainy days are May and June (15.9 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in December
Ackworth, IA
- Average snowfall in December: 0.94"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ackworth, IA
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ackworth, IA
- Average daylight in December: 9h and 1min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Ackworth, IA
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Ackworth, 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
Ackworth, IA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Ackworth, 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).
Ackworth, Iowa, USA
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