December weather forecastHartsburg, MO
December
Weather in December
The first month of the winter, December, is also a wintry month in Hartsburg, Missouri, with temperature in the range of an average low of 28.9°F (-1.7°C) and an average high of 42.4°F (5.8°C).Temperature
During Hartsburg's transition into December, the average high-temperature lessens, moving from a cool 53.4°F (11.9°C) in November to an icy 42.4°F (5.8°C). Hartsburg throughout December, records an average low-temperature of 28.9°F (-1.7°C).Humidity
The average relative humidity in December in Hartsburg is 76%.Rainfall
In Hartsburg, in December, it is raining for 6.3 days, with typically 1.22" (31mm) of accumulated precipitation. In Hartsburg, during the entire year, the rain falls for 133.5 days and collects up to 25.2" (640mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In December, it is snowing for 3.2 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, in Hartsburg, there are 18.2 snowfall days, and 6.97" (177mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Hartsburg.On the first day of the month, sunrise is at 7:08 am and sunset at 4:48 pm. On the last day of December, in Hartsburg, Missouri, sunrise is at 7:27 am and sunset at 4:58 pm CST.
Sunshine
The average sunshine in December in Hartsburg is 5.1h.UV index
The months with the lowest UV index in Hartsburg are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hartsburg, MO
- Average high temperature in December: 42.4°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Hartsburg, 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
Hartsburg, MO
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Hartsburg, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Hartsburg, MO
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Hartsburg, MO
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Hartsburg, MO
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Hartsburg, MO
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hartsburg, 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: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Hartsburg, MO
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in December
Hartsburg, 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
Hartsburg, MO
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Hartsburg, 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).
