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
Seneca's progression into December involves a drop in the average high-temperature, receding from a moderate 56.7°F (13.7°C) in November to a frosty 46.6°F (8.1°C). Seneca's nights in December experience an average temperature drop to a freezing cold 31.6°F (-0.2°C).Humidity
In Seneca, the average relative humidity in December is 73%.Rainfall
In Seneca, in December, during 6.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Seneca, during the entire year, the rain falls for 134.6 days and collects up to 25.08" (637mm) of precipitation.Snowfall
Months with snowfall in Seneca are January through March, May, November and December. In Seneca, Missouri, in December, snow falls for 2.3 days, with typically accumulated 0.51" (13mm) of snow. In Seneca, Missouri, during the entire year, snow falls for 10.2 days and aggregates up to 2.8" (71mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Seneca, sunrise is at 7:13 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:12 pm CST.
Sunshine
The average sunshine in December is 5.6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Seneca in December?
What is the average humidity in December in Seneca?
How much does it rain in Seneca in December?
How many days does it snow in December in Seneca?
What is the month with the shortest days in Seneca?
What is the average length of the day in December in Seneca?
When is the sunrise / sunset in December in Seneca?
How many hours of sunshine does Seneca have in December?
When is the lowest UV index in Seneca?
What is the UV index intensity in December in Seneca?
Average temperature in December
Seneca, MO
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Seneca, 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
Seneca, MO
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Seneca, MO
- Average humidity in December: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Seneca, MO
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in December
Seneca, MO
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is December (6.4 days).
Average snowfall in December
Seneca, MO
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Seneca, MO
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Seneca, MO
- Average daylight in December: 9h and 4min
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 4min
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
Seneca, MO
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Seneca, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Seneca, MO
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in December
Seneca, 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).
Seneca, Missouri, USA
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