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 start of December comes with a reduction in the average high-temperature, receding from a chilly 44.8°F (7.1°C) in November to a freezing cold 31.6°F (-0.2°C). December is noted for a mean low-temperature of 20.8°F (-6.2°C).Humidity
The average relative humidity in December is 82%.Rainfall
In La Porte City, in December, during 5.3 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In La Porte City, during the entire year, the rain falls for 117.9 days and collects up to 15.63" (397mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In La Porte City, in December, during 7 snowfall days, 0.91" (23mm) of snow is typically accumulated. Throughout the year, there are 31.8 snowfall days, and 6.69" (170mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:46 pm CST.
Sunshine
In La Porte City, Iowa, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
La Porte City, IA
- Average high temperature in December: 31.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
La Porte City, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
La Porte City, IA
- Average wind speed in December: 10.1mph
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 (7mph).
Average humidity in December
La Porte City, 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
La Porte City, IA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
La Porte City, IA
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is May (16 days).
The months with the least rainy days are January and February (3.1 days).
Average snowfall in December
La Porte City, IA
- Average snowfall in December: 0.91"
The months with the highest snowfall are January and February (1.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
La Porte City, IA
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
La Porte City, 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 6min).
- 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
La Porte City, IA
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
La Porte City, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
La Porte City, IA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in December
La Porte City, 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).
La Porte City, Iowa, USA
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