Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Hartshorn's weather changes with the onset of December, slightly falling from a fresh 53.6°F (12°C) in November to a frosty 44.1°F (6.7°C). Nighttime temperatures hover around an average low of 30.2°F (-1°C) in December.Humidity
In Hartshorn, the average relative humidity in December is 77%.Rainfall
In Hartshorn, in December, it is raining for 7.9 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 148.7 rainfall days, and 32.4" (823mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hartshorn are January through April, November and December. In December, it is snowing for 4.4 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, there are 21.8 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:02 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:59 pm CST.
Sunshine
The average sunshine in December is 4.9h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Hartshorn in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Hartshorn have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Hartshorn have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Hartshorn, MO
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 30.2°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 (25.7°F).
Average pressure in December
Hartshorn, 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 (29.93"Hg).
Average wind speed in December
Hartshorn, MO
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Hartshorn, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Hartshorn, MO
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Hartshorn, MO
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Hartshorn, MO
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hartshorn, MO
- Average snowfall days in December: 4.4 days
The months with the highest number of snowfall days are January and February (6.3 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
Hartshorn, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Hartshorn, MO
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Hartshorn, 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 and December (UV index 2).
Average cloud cover in December
Hartshorn, MO
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Hartshorn, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Hartshorn, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location