December weather forecast
Willis, KS

Weather in December

December, the first month of the winter in Willis, is still a cold month, with an average temperature ranging between max 38.5°F (3.6°C) and min 25.5°F (-3.6°C).

Temperature

In Willis, the average high-temperature in December decreases from a fresh 51.4°F (10.8°C) in November to a wintry 38.5°F (3.6°C). In December, the average low-temperature is 25.5°F (-3.6°C).

Humidity

In December, the average relative humidity in Willis is 74%.

Rainfall

In Willis, in December, it is raining for 5.1 days, with typically 1.06" (27mm) of accumulated precipitation. In Willis, during the entire year, the rain falls for 123.6 days and collects up to 25.47" (647mm) of precipitation.

Snowfall

Months with snowfall in Willis, Kansas, are January through May, October through December. In Willis, during 4 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, there are 22.1 snowfall days, and 8.62" (219mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 25min of daylight.
On the first day of December in Willis, sunrise is at 7:24 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:07 pm CST.

Sunshine

The average sunshine in December is 5.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Willis?

In Willis, in December, the average high-temperature is 38.5°F (3.6°C), and the average low-temperature is 25.5°F (-3.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 93.2°F (34°C).

What is the average humidity in December in Willis?

In Willis, the average relative humidity in December is 74%.

How much does it rain in Willis in December?

In December, in Willis, the rain falls for 5.1 days. Throughout December, 1.06" (27mm) of precipitation is accumulated.

How much does it snow in Willis in December?

In Willis, Kansas, during December, snow falls for 4 days and regularly aggregates up to 1.3" (33mm) of snow.

What is the month with the shortest days in Willis?

The month with the shortest days is December, with an average of 9h and 25min of daylight.

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

In Willis, the average day length in December is 9h and 25min.

When is the sunrise / sunset in December in Willis?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 4:58 pm. On the last day of the month, in Willis, Kansas, sunrise is at 7:42 am and sunset at 5:07 pm CST.

How many hours of sunshine does Willis have in December?

In December, the average sunshine duration in Willis, Kansas, is 5.5h.

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

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

What is the UV index reading in December in Willis?

In December, the average daily maximum UV index in Willis is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Willis, KS

Average temperature in December - Willis, KS
  • Average high temperature in December: 38.5°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in December
Willis, KS

Average pressure in December - Willis, 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 (29.87"Hg).

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Average wind speed in December
Willis, KS

Average wind speed in December - Willis, KS
  • Average wind speed in December: 9.6mph

The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

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Average humidity in December
Willis, KS

Average humidity in December - Willis, KS
  • Average humidity in December: 74%

The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in December
Willis, KS

Average rainfall in December - Willis, KS
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is February (0.71").

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Average rainfall days in December
Willis, KS

Average rainfall days in December - Willis, KS
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in December
Willis, KS

Average snowfall in December - Willis, KS
  • Average snowfall in December: 1.3"

The month with the highest snowfall is January (2.56").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Willis, KS

Average snowfall days in December - Willis, KS
  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Willis, KS
  • Average daylight in December: 9h and 25min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in December: 5h and 30min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in December
Willis, KS

Average sunshine days in December - Willis, KS
  • 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 (12.8 days).

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Average UV index in December
Willis, KS

Average UV index in December - Willis, 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
Willis, KS

Average cloud cover in December - Willis, KS
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in December
Willis, KS

Average visibility in December - Willis, 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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