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 changeover to December signals a significant decrease in the average high-temperature, dropping from a chilly 47.3°F (8.5°C) in November to a cold 32.2°F (0.1°C). December is noted for a mean low-temperature of 20.3°F (-6.5°C).Humidity
In Hornick, the average relative humidity in December is 79%.Rainfall
In Hornick, in December, it is raining for 3.5 days, with typically 1.42" (36mm) of accumulated precipitation. In Hornick, 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 December, it is snowing for 7 days. Throughout December, 2.13" (54mm) of snow is accumulated. Throughout the year, in Hornick, there are 32.9 snowfall days, and 11.69" (297mm) of snow is accumulated.Daylight
The month with the shortest days in Hornick is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:34 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Hornick?
What is the average humidity in December in Hornick?
How many days does it rain in December in Hornick?
How many days does it snow in December in Hornick?
What is the month with the shortest days in Hornick?
What is the average length of the day in December in Hornick?
What time are sunrise and sunset in December in Hornick?
How many hours of sunshine does Hornick have in December?
When is the lowest UV index in Hornick?
How high is the UV index in December in Hornick?
Average temperature in December
Hornick, 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
Hornick, 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
Hornick, 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
Hornick, 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
Hornick, 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
Hornick, 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
Hornick, 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
Hornick, 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
Hornick, 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 5min
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
Hornick, 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
Hornick, 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
Hornick, 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
Hornick, 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).
Hornick, Iowa, USA
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