December weather forecastGladstone, MO
December
Weather in December
December in Gladstone, Missouri, welcomes winter in full force, as the temperatures drop substantially. With the shortest daylight hours and the reinstatement of regular snowfall, Gladstone transforms into a winter wonderland. Despite the cold temperatures, the Christmas spirit keeps the city bustling and vibrant. Decorations light up neighborhoods, adding a splash of color to the otherwise snowy ambience. As December ends, it paves the way for another cycle of weather patterns in the coming new year.Temperature
Onset of December comes with a temperature decline, the average high falling from a cool 52.3°F (11.3°C) in November to a wintry 40.3°F (4.6°C). Gladstone's nights in December experience an average temperature drop to a subzero cold 27.3°F (-2.6°C).Humidity
In Gladstone, the average relative humidity in December is 74%.Rainfall
In Gladstone, in December, during 5.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 126.5 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Gladstone. In Gladstone, during December, snow falls for 3.2 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 17.2 snowfall days, and 5.51" (140mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:05 pm CST.
Sunshine
In Gladstone, the average sunshine in December is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gladstone, MO
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Gladstone, 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 (29.89"Hg).
Average wind speed in December
Gladstone, MO
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Gladstone, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Gladstone, MO
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Gladstone, MO
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Gladstone, MO
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gladstone, MO
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gladstone, 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 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Gladstone, MO
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is December (22.1 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
Gladstone, 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
Gladstone, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Gladstone, 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).
