December weather forecastParkway, MO
December
Weather in December
The first month of the winter, December, is also a frosty month in Parkway, Missouri, with an average temperature varying between 29.8°F (-1.2°C) and 43.2°F (6.2°C).Temperature
The transition into December indicates a reduction in the average high-temperature, down to a chilly 43.2°F (6.2°C) from November's cool 53.8°F (12.1°C). Throughout December, Parkway encounters an average temperature drop to a subzero cold 29.8°F (-1.2°C).Humidity
In Parkway, the average relative humidity in December is 76%.Rainfall
In December, in Parkway, Missouri, the rain falls for 6.3 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. In Parkway, during the entire year, the rain falls for 126.7 days and collects up to 20.63" (524mm) of precipitation.Snowfall
Months with snowfall in Parkway are January through March, November and December. In Parkway, Missouri, in December, snow falls for 3.7 days, with typically accumulated 0.83" (21mm) of snow. Throughout the year, there are 19.3 snowfall days, and 4.17" (106mm) of snow is accumulated.Daylight
December has the shortest days of the year in Parkway, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:53 pm CST.
Sunshine
The average sunshine in December in Parkway is 4.9h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parkway, MO
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Parkway, 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
Parkway, MO
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Parkway, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Parkway, MO
- Average rainfall in December: 1.14"
The wettest months (with the highest rainfall) are April and May (2.48").
The driest months (with the least rainfall) are January and February (0.98").
Average rainfall days in December
Parkway, MO
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Parkway, MO
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Parkway, MO
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Parkway, 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: 4h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in December
Parkway, MO
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in December
Parkway, 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
Parkway, MO
- Average cloud cover in December: 48
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Parkway, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).





