December weather forecast
Seneca, KS

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Weather in December

December, the first month of the winter in Seneca, is also an icy month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 38.7°F (3.7°C).

Temperature

The onset of December introduces a moderate change in Seneca's weather, with average high-temperatures falling from November's fresh 51.6°F (10.9°C) to a cold 38.7°F (3.7°C). Seneca, during the month of December, experiences an average low-temperature of 25.2°F (-3.8°C).

Humidity

In December, the average relative humidity in Seneca is 73%.

Rainfall

In Seneca, during December, the rain falls for 4.1 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Seneca, there are 113.5 rainfall days, and 19.65" (499mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Seneca are January through April, October through December. In Seneca, in December, during 4.1 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Seneca, Kansas, during the entire year, snow falls for 19.6 days and aggregates up to 6.06" (154mm) of snow.

Daylight

The month with the shortest days in Seneca, Kansas, is December, 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, in Seneca, sunrise is at 7:45 am and sunset at 5:09 pm CST.

Sunshine

In December, the average sunshine in Seneca is 5.6h.

UV index

The months with the lowest UV index in Seneca are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 during December leads to these advisories:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold does it get in Seneca in December?

The average high-temperature, in December, in Seneca, is 38.7°F (3.7°C), while the average low-temperature is 25.2°F (-3.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 93.2°F (34°C).

What is the average humidity in December in Seneca?

In Seneca, the average relative humidity in December is 73%.

How many days does it rain in December in Seneca?

In December, in Seneca, the rain falls for 4.1 days. Throughout December, 0.87" (22mm) of precipitation is accumulated.

How much does it snow in Seneca in December?

In December, it is snowing for 4.1 days. Throughout December, 0.91" (23mm) of snow is accumulated.

What is the month with the shortest days in Seneca?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Seneca.

What is the average length of the day in December in Seneca?

The average day length in December is 9h and 24min.

What time are sunrise and sunset in December in Seneca?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 5:00 pm. On the last day of the month, in Seneca, Kansas, sunrise is at 7:45 am and sunset at 5:09 pm CST.

How long on average sun shines in December in Seneca?

In Seneca, the average sunshine duration in December is 5.6h.

What are the months with the lowest UV index in Seneca?

The months with the lowest UV index in Seneca are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Seneca?

In Seneca, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Seneca, KS

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).

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Average pressure in December
Seneca, KS

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).

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Average wind speed in December
Seneca, KS

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).

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Average humidity in December
Seneca, KS

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%).

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Average rainfall in December
Seneca, KS

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").

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Average rainfall days in December
Seneca, KS

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).

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Average snowfall in December
Seneca, KS

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").

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Average snowfall days in December
Seneca, KS

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).

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Average daylight in December /
Average sunshine in December
Seneca, KS

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).

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Average sunshine days in December
Seneca, KS

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).

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Average UV index in December
Seneca, KS

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).

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Average cloud cover in December
Seneca, KS

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).

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Average visibility in December
Seneca, KS

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).

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Seneca, Kansas, USA

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