December weather forecastRocky Comfort, MO
December
Weather in December
December, the first month of the winter in Rocky Comfort, is also a frosty month, with an average temperature fluctuating between 46°F (7.8°C) and 31.1°F (-0.5°C).Temperature
In December, the meteorological conditions alter, with the average high-temperature shifting from a moderate 56.1°F (13.4°C) in November to a frosty 46°F (7.8°C). Throughout December, the nighttime temperature in Rocky Comfort averages to a subzero cold 31.1°F (-0.5°C).Humidity
In December, the average relative humidity is 74%.Rainfall
In Rocky Comfort, Missouri, in December, during 8.2 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 151.1 rainfall days, and 33.5" (851mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rocky Comfort, in December, snow falls for 3.5 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, there are 18 snowfall days, and 6.26" (159mm) of snow is accumulated.Daylight
December has the shortest days of the year in Rocky Comfort, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:10 pm CST.
Sunshine
In December, the average sunshine is 5.5h.UV index
The months with the lowest UV index are January, February 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 average individuals.Note: The UV index of 2 during December translates into the following guidance:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rocky Comfort, MO
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Rocky Comfort, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Rocky Comfort, MO
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Rocky Comfort, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August and October (72%).
Average rainfall in December
Rocky Comfort, MO
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (5.35").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in December
Rocky Comfort, MO
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in December
Rocky Comfort, MO
- Average snowfall in December: 0.94"
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
Rocky Comfort, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rocky Comfort, MO
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Rocky Comfort, MO
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Rocky Comfort, MO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Rocky Comfort, MO
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Rocky Comfort, 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).
