December weather forecastBrookfield, MO
December
Weather in December
December, the first month of the winter in Brookfield, is also a wintry month, with temperature in the range of an average high of 38.7°F (3.7°C) and an average low of 26.1°F (-3.3°C).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a fresh 50.9°F (10.5°C) in November to a wintry 38.7°F (3.7°C). Throughout the nights in December, an average low-temperature of 26.1°F (-3.3°C) is noted in Brookfield.Humidity
The average relative humidity in December is 78%.Rainfall
The month with the least rainfall in Brookfield is December, when the rain falls for 4.5 days and typically collects 0.43" (11mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Brookfield, during December, snow falls for 4.1 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Brookfield, there are 20.6 snowfall days, and 2.99" (76mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:57 pm CST.
Sunshine
In Brookfield, Missouri, the average sunshine in December is 5h.UV index
The months with the lowest UV index in Brookfield are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Brookfield, MO
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 26.1°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 (20.7°F).
Average pressure in December
Brookfield, 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 (29.9"Hg).
Average wind speed in December
Brookfield, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Brookfield, MO
- Average humidity in December: 78%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Brookfield, MO
- Average rainfall in December: 0.43"
The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in December
Brookfield, MO
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Brookfield, MO
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Brookfield, MO
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brookfield, MO
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Brookfield, MO
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Brookfield, 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
Brookfield, MO
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Brookfield, 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).





