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
Lamont's December weather shows a moderate shift in high-temperatures, falling from November's chilly 43.5°F (6.4°C) to a subzero cold 30.4°F (-0.9°C). Throughout December, the average low-temperature dips to a still freezing cold 20.1°F (-6.6°C).Humidity
In Lamont, the average relative humidity in December is 83%.Rainfall
In Lamont, in December, during 6.1 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Lamont, Iowa, there are 142.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Lamont. In Lamont, Iowa, in December, during 10.7 snowfall days, 4.09" (104mm) of snow is typically accumulated. In Lamont, Iowa, during the entire year, snow falls for 51 days and aggregates up to 22.05" (560mm) of snow.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 7:17 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
The average sunshine in December is 4.1h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lamont. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Lamont?
What is the average humidity in December in Lamont?
How many days does it rain in December in Lamont?
How many days does it snow in December in Lamont?
What is the month with the shortest days in Lamont?
What is the average length of the day in December in Lamont?
What time are sunrise and sunset in December in Lamont?
How long on average sun shines in December in Lamont?
What is the month with the lowest UV index in Lamont?
How high is the UV index in December in Lamont?
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 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 1min
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).
Lamont, Iowa, USA
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