December weather forecastLake Lafayette, MO
December
Weather in December
The first month of the winter, December, is still a cold month in Lake Lafayette, Missouri, with an average temperature fluctuating between 27.5°F (-2.5°C) and 40.6°F (4.8°C).Temperature
December suggests a modest reduction in the average high-temperature, shifting from a cool 52.3°F (11.3°C) in November to a wintry 40.6°F (4.8°C). Lake Lafayette experiences a steady low-temperature of 27.5°F (-2.5°C) throughout December.Humidity
The average relative humidity in December is 75%.Rainfall
In December, in Lake Lafayette, the rain falls for 5.4 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. Throughout the year, in Lake Lafayette, Missouri, there are 130.1 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Lake Lafayette, during December, snow falls for 3.4 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, there are 20.8 snowfall days, and 8.07" (205mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Lake Lafayette.On the first day of December, sunrise is at 7:16 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:03 pm CST.
Sunshine
In Lake Lafayette, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.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. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lake Lafayette, MO
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Lake Lafayette, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Lake Lafayette, MO
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Lake Lafayette, MO
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Lake Lafayette, MO
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Lake Lafayette, MO
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is December (5.4 days).
Average snowfall in December
Lake Lafayette, MO
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lake Lafayette, MO
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lake Lafayette, MO
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 18min
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 54min).
Average sunshine days in December
Lake Lafayette, MO
- Average sunshine days in December: 22 days
The month with the most sunshine days is December (22 days).
The months with the least sunshine days are May and June (12.5 days).
Average UV index in December
Lake Lafayette, 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
Lake Lafayette, MO
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Lake Lafayette, MO
- 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).





