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 onset brings a reduction in the average high-temperature, from a chilly 45.1°F (7.3°C) in November to an icy 32°F (0°C). An average low-temperature of 21°F (-6.1°C) is observed in Le Grand, Iowa, during the December nights.Humidity
The average relative humidity in December in Le Grand is 82%.Rainfall
In Le Grand, during December, the rain falls for 4.8 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 118.2 rainfall days, and 16.18" (411mm) of precipitation is accumulated.Snowfall
Months with snowfall in Le Grand are January through May, October through December. In Le Grand, Iowa, during December, snow falls for 7.5 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 34.6 snowfall days, and 6.97" (177mm) of snow is accumulated.Daylight
December has the shortest days of the year in Le Grand, Iowa, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:49 pm CST.
Sunshine
In Le Grand, the average sunshine in December is 4.4h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Le Grand?
What is the average humidity in December in Le Grand?
How much does it rain in Le Grand in December?
How many days does it snow in December in Le Grand?
What is the month with the shortest days in Le Grand?
How many hours of daylight does Le Grand have in December?
When is the sunrise / sunset in December in Le Grand?
How long on average sun shines in December in Le Grand?
What is the month with the lowest UV index in Le Grand?
How high is the UV index in December in Le Grand?
Average temperature in December
Le Grand, IA
- Average high temperature in December: 32°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 (25.7°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
Le Grand, 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
Le Grand, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Le Grand, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Le Grand, IA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Le Grand, IA
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Le Grand, IA
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Le Grand, IA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Le Grand, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Le Grand, IA
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in December
Le Grand, 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, October, November and December (UV index 2).
Average cloud cover in December
Le Grand, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Le Grand, 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).
Le Grand, Iowa, USA
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