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
Holly Springs's December weather is marked by a distinct drop in high-temperatures, declining from a chilly 45.5°F (7.5°C) in November to a subzero cold 30.6°F (-0.8°C). Throughout December, Holly Springs witnesses a nighttime temperature average of 19.2°F (-7.1°C).Humidity
In Holly Springs, Iowa, the average relative humidity in December is 81%.Rainfall
In Holly Springs, in December, it is raining for 2.5 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 105.4 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Holly Springs. In December, it is snowing for 6.2 days. Throughout December, 1.38" (35mm) of snow is accumulated. Throughout the year, there are 32 snowfall days, and 8.82" (224mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Holly Springs.On the first day of the month, sunrise is at 7:34 am and sunset at 4:52 pm. On the last day of December, in Holly Springs, Iowa, sunrise is at 7:53 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine in Holly Springs is 4.7h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Holly Springs in December?
What is the average humidity in December in Holly Springs?
How much does it rain in Holly Springs in December?
How much does it snow in Holly Springs in December?
What is the month with the shortest days in Holly Springs?
How many hours of daylight does Holly Springs have in December?
When are sunrise and sunset in December in Holly Springs?
How long on average sun shines in December in Holly Springs?
What is the UV index reading in December in Holly Springs?
Average temperature in December
Holly Springs, IA
- Average high temperature in December: 30.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in December
Holly Springs, 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
Holly Springs, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
Holly Springs, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Holly Springs, IA
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Holly Springs, IA
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Holly Springs, IA
- Average snowfall in December: 1.38"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Holly Springs, IA
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Holly Springs, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Holly Springs, IA
- Average sunshine days in December: 23.4 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in December
Holly Springs, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Holly Springs, IA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Holly Springs, 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).
Holly Springs, Iowa, USA
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