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
Iron Mountain Lake in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 53.2°F (11.8°C) to a chilly 43.7°F (6.5°C). Iron Mountain Lake experiences an average nighttime temperature of 30.2°F (-1°C) in the month of December.Humidity
The average relative humidity in December is 77%.Rainfall
In Iron Mountain Lake, in December, it is raining for 7.9 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 154.7 rainfall days, and 32.64" (829mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Iron Mountain Lake, Missouri. In Iron Mountain Lake, in December, snow falls for 5 days, with typically accumulated 1.77" (45mm) of snow. In Iron Mountain Lake, during the entire year, snow falls for 22.6 days and aggregates up to 9.06" (230mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:59 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:54 pm CST.
Sunshine
In Iron Mountain Lake, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Iron Mountain Lake are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Iron Mountain Lake?
What is the average humidity in December in Iron Mountain Lake?
How many days does it rain in December in Iron Mountain Lake?
How much does it snow in Iron Mountain Lake in December?
What is the month with the shortest days in Iron Mountain Lake?
How many hours of daylight does Iron Mountain Lake have in December?
When is the sunrise / sunset in December in Iron Mountain Lake?
How long on average sun shines in December in Iron Mountain Lake?
What is the month with the lowest UV index in Iron Mountain Lake?
What is the UV index reading in December in Iron Mountain Lake?
Average temperature in December
Iron Mountain Lake, MO
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Iron Mountain Lake, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Iron Mountain Lake, MO
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Iron Mountain Lake, MO
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Iron Mountain Lake, MO
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Iron Mountain Lake, MO
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is December (7.9 days).
Average snowfall in December
Iron Mountain Lake, MO
- Average snowfall in December: 1.77"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Iron Mountain Lake, MO
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Iron Mountain Lake, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in December
Iron Mountain Lake, MO
- Average sunshine days in December: 18.9 days
The months with the most sunshine days are November and December (18.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Iron Mountain Lake, MO
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Iron Mountain Lake, MO
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Iron Mountain Lake, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Iron Mountain Lake, Missouri, USA
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