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
In December, the average high-temperature goes from a wintry 42.6°F (5.9°C) in November to a freezing cold 29.3°F (-1.5°C). The average low-temperature, in December, is a still subzero cold 18.7°F (-7.4°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In December, in Luana, the rain falls for 6.1 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. In Luana, during the entire year, the rain falls for 145.2 days and collects up to 31.85" (809mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Luana, in December, during 12.5 snowfall days, 4.88" (124mm) of snow is typically accumulated. In Luana, during the entire year, snow falls for 59.9 days and aggregates up to 25.67" (652mm) of snow.Daylight
The month with the shortest days in Luana is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4h.UV index
January, November and December, with an average maximum UV index of 1, 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: The UV index of 1 during December translates into the following guidance:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Luana have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Luana, IA
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in December
Luana, IA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Luana, IA
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Luana, IA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Luana, IA
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Luana, IA
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Luana, IA
- Average snowfall in December: 4.88"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Luana, IA
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Luana, 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 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Luana, IA
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in December
Luana, IA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Luana, IA
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Luana, IA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Luana, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location