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
The start of December signals a decrease in the average high-temperature, transitioning from a cool 51.6°F (10.9°C) in November to a cold 38.7°F (3.7°C). During December, Seneca experiences a consistent low-temperature average of 25.2°F (-3.8°C).Humidity
In Seneca, the average relative humidity in December is 73%.Rainfall
In December, the rain falls for 4.1 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. In Seneca, during the entire year, the rain falls for 113.5 days and collects up to 19.65" (499mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 4.1 days. Throughout December, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 19.6 snowfall days, and 6.06" (154mm) 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 7:27 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:09 pm CST.
Sunshine
In December, the average sunshine is 5.6h.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Seneca?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Seneca have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Seneca?
Average temperature in December
Seneca, KS
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Seneca, KS
- 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 (29.86"Hg).
Average wind speed in December
Seneca, KS
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Seneca, KS
- Average humidity in December: 73%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Seneca, KS
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Seneca, KS
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Seneca, KS
- Average snowfall in December: 0.91"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Seneca, KS
- Average snowfall days in December: 4.1 days
The months with the highest number of snowfall days are January and February (5.2 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
Seneca, KS
- 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 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Seneca, KS
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Seneca, KS
- 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, November and December (UV index 2).
Average cloud cover in December
Seneca, KS
- Average cloud cover in December: 39
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Seneca, KS
- 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, Kansas, USA
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