December weather forecastParnell, MO
December
Weather in December
The first month of the winter, December, is also a wintry month in Parnell, Missouri, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 23.9°F (-4.5°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a frosty 49.6°F (9.8°C) in November to a wintry 36.7°F (2.6°C). Throughout December, Parnell witnesses a nighttime temperature average of 23.9°F (-4.5°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Parnell, during December, the rain falls for 5.2 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Parnell, during the entire year, the rain falls for 130.5 days and collects up to 25.79" (655mm) of precipitation.Snowfall
Months with snowfall in Parnell, Missouri, are January through May, October through December. In December, it is snowing for 5.6 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, in Parnell, there are 28.1 snowfall days, and 12.32" (313mm) of snow is accumulated.Daylight
The month with the shortest days in Parnell is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:52 pm. On the last day of December, in Parnell, sunrise is at 7:41 am and sunset at 5:02 pm CST.
Sunshine
The average sunshine in December is 5.2h.UV index
In Parnell, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parnell, MO
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Parnell, 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 (29.88"Hg).
Average wind speed in December
Parnell, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Parnell, MO
- Average humidity in December: 77%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Parnell, MO
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Parnell, MO
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Parnell, MO
- Average snowfall in December: 1.57"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Parnell, MO
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Parnell, MO
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Parnell, MO
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
Parnell, MO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Parnell, MO
- Average cloud cover in December: 44
The months with the most cloud cover are January and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Parnell, 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).





