December weather forecastHolts Summit, MO
December
Weather in December
The first month of the winter, December, is still a chilly month in Holts Summit, Missouri, with an average temperature varying between 29.1°F (-1.6°C) and 42.8°F (6°C).Temperature
Holts Summit in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 53.8°F (12.1°C) to a frosty 42.8°F (6°C). In Holts Summit, the nighttime temperature averages to a freezing cold 29.1°F (-1.6°C) during December.Humidity
The average relative humidity in December in Holts Summit is 76%.Rainfall
In December, the rain falls for 4.6 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. In Holts Summit, during the entire year, the rain falls for 93.7 days and collects up to 9.29" (236mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Holts Summit, in December, snow falls for 2.8 days, with typically accumulated 0.43" (11mm) of snow. In Holts Summit, Missouri, during the entire year, snow falls for 14.9 days and aggregates up to 2.13" (54mm) of snow.Daylight
December has the shortest days of the year in Holts Summit, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of December, in Holts Summit, sunrise is at 7:26 am and sunset at 4:57 pm CST.
Sunshine
In December, the average sunshine in Holts Summit, Missouri, is 5.1h.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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Holts Summit, MO
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 29.1°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 (24.3°F).
Average pressure in December
Holts Summit, 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 (29.92"Hg).
Average wind speed in December
Holts Summit, MO
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Holts Summit, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Holts Summit, MO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in December
Holts Summit, MO
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Holts Summit, MO
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Holts Summit, MO
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.2 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
Holts Summit, MO
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Holts Summit, MO
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).
Average UV index in December
Holts Summit, MO
- Average UV index in December: 2
The months with the highest UV index are 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
Holts Summit, MO
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Holts Summit, 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).
