December weather forecastLamont, IA
December
Weather in December
December, the first month of the winter in Lamont, is also a subzero cold month, with an average temperature varying between 30.4°F (-0.9°C) and 20.1°F (-6.6°C).Temperature
Lamont's transition into December involves a shift in temperature, receding from a chilly 43.5°F (6.4°C) in November to a freezing cold 30.4°F (-0.9°C). Lamont experiences an average temperature drop to a still subzero cold 20.1°F (-6.6°C) during December nights.Humidity
In Lamont, the average relative humidity in December is 83%.Rainfall
In Lamont, in December, it is raining for 6.1 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 142.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Lamont, in December, snow falls for 10.7 days, with typically accumulated 4.09" (104mm) of snow. In Lamont, during the entire year, snow falls for 51 days and aggregates up to 22.05" (560mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:17 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:43 pm CST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lamont, IA
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in December
Lamont, 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
Lamont, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Lamont, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Lamont, IA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Lamont, IA
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Lamont, IA
- Average snowfall in December: 4.09"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lamont, IA
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lamont, IA
- Average daylight in December: 9h and 6min
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 6min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Lamont, IA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in December
Lamont, 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, November and December (UV index 1).
Average cloud cover in December
Lamont, IA
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Lamont, IA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
