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 witnesses a marked shift in the average high-temperature, moving from a chilly 44.8°F (7.1°C) in November to a subzero cold 30.2°F (-1°C). In Lytton, an average low-temperature of 20.1°F (-6.6°C) is recorded during December nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In Lytton, in December, it is raining for 4 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 107.9 rainfall days, and 15.04" (382mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lytton are January through May, October through December. In Lytton, in December, snow falls for 7.6 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 35.1 snowfall days, and 7.99" (203mm) of snow is accumulated.Daylight
The month with the shortest days in Lytton is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:56 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
In Lytton, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by 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 in Lytton?
What is the average length of the day in December?
What time are sunrise and sunset in December in Lytton?
How many hours of sunshine does Lytton have in December?
How high is the UV index in December?
Average temperature in December
Lytton, IA
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in December
Lytton, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Lytton, IA
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Lytton, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is April (67%).
Average rainfall in December
Lytton, IA
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Lytton, IA
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in December
Lytton, IA
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lytton, IA
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lytton, 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 4min
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
Lytton, IA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Lytton, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Lytton, IA
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Lytton, 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).
Lytton, Iowa, USA
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