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
In the transition to December, Keytesville observes a drop in the average high-temperature, moving from a fresh 52°F (11.1°C) in November to a cold 40.1°F (4.5°C). Keytesville observes an average nighttime temperature of 27°F (-2.8°C) during December.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 5.5 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Keytesville, during the entire year, the rain falls for 134.1 days and collects up to 28.62" (727mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Keytesville, in December, during 2.9 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 18.1 snowfall days, and 9.76" (248mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:58 pm CST.
Sunshine
The average sunshine in December is 5.1h.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Keytesville during December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Keytesville have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Keytesville have in December?
What is the month with the lowest UV index in Keytesville?
What is the UV index reading in December in Keytesville?
Average temperature in December
Keytesville, MO
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Keytesville, 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 (29.91"Hg).
Average wind speed in December
Keytesville, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Keytesville, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Keytesville, MO
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Keytesville, MO
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Keytesville, MO
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Keytesville, MO
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Keytesville, MO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 1min
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 42min).
Average sunshine days in December
Keytesville, MO
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
Keytesville, 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
Keytesville, MO
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Keytesville, 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).
Keytesville, Missouri, USA
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