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
Transition into December marks a drop in the average high-temperature, moving from a chilly 44.1°F (6.7°C) in November to a subzero cold 30°F (-1.1°C). Hardy's nights in December cool down to an average low-temperature of 19°F (-7.2°C).Humidity
In Hardy, the average relative humidity in December is 83%.Rainfall
In Hardy, in December, during 5.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Hardy, Iowa, there are 130.6 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hardy, in December, during 9.3 snowfall days, 2.76" (70mm) of snow is typically accumulated. In Hardy, during the entire year, snow falls for 41.2 days and aggregates up to 18.11" (460mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:43 pm. On the last day of December, in Hardy, sunrise is at 7:46 am and sunset at 4:52 pm CST.
Sunshine
The average sunshine in December in Hardy is 4.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hardy?
What is the average humidity in December in Hardy?
How many days does it rain in December in Hardy?
How many days does it snow in December in Hardy?
What is the month with the shortest days in Hardy?
What is the average length of the day in December in Hardy?
When is the sunrise / sunset in December in Hardy?
How long on average sun shines in December in Hardy?
What is the month with the lowest UV index in Hardy?
What is the UV index reading in December in Hardy?
Average temperature in December
Hardy, IA
- Average high temperature in December: 30°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 19°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Hardy, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Hardy, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Hardy, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Hardy, IA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Hardy, IA
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Hardy, IA
- Average snowfall in December: 2.76"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hardy, IA
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hardy, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 3min
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 0min).
Average sunshine days in December
Hardy, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Hardy, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hardy, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in December
Hardy, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Hardy, Iowa, USA
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