December weather forecast and climate
Rantoul, KS

The first month of the winter, December, is still a cold month in Rantoul, Kansas, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 41.7°F (5.4°C).

Temperature

In December, the average high-temperature decreases, from a fresh 53.6°F (12°C) in November, to a cold 41.7°F (5.4°C). The average low-temperature, in December, is 28.4°F (-2°C).

Humidity

The average relative humidity in December is 72%.

Rainfall

In Rantoul, during December, the rain falls for 4.5 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Rantoul, during the entire year, the rain falls for 126.9 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Rantoul. In December, it is snowing for 2.2 days. Throughout December, 0.87" (22mm) of snow is accumulated. Throughout the year, in Rantoul, there are 14 snowfall days, and 6.38" (162mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9.5h of daylight.

Sunshine

The average sunshine in December is 5.7h.

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 of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for 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.

What is the temperature in December in Rantoul?

In Rantoul, Kansas, in December, the average high-temperature is 41.7°F (5.4°C), and the average low-temperature is 28.4°F (-2°C).

What is the average humidity in December in Rantoul?

In December, the average relative humidity in Rantoul is 72%.

How much does it rain in Rantoul in December?

In Rantoul, in December, during 4.5 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How much does it snow in Rantoul in December?

In Rantoul, in December, during 2.2 snowfall days, 0.87" (22mm) of snow is typically accumulated.

What is the month with the shortest days in Rantoul?

With an average of 9.5h of daylight, December has the shortest days of the year in Rantoul.

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

The average length of the day in December in Rantoul, Kansas, is 9.5h.

How long on average sun shines in December in Rantoul?

In December, the average sunshine in Rantoul is 5.7h.

When is the lowest UV index in Rantoul?

Months with the lowest UV index in Rantoul are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Rantoul?

In December, the average daily maximum UV index in Rantoul, Kansas, is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Rantoul, KS
  • Average high temperature in December: 41.7°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in December - Rantoul, KS
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.88").

Average wind speed in December - Rantoul, KS
  • Average wind speed in December: 9.8mph

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in December - Rantoul, KS
  • Average humidity in December: 72%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are October and November (69%).

Average rainfall in December - Rantoul, KS
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in December - Rantoul, KS
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is December (4.5 days).

Average snowfall in December - Rantoul, KS
  • Average snowfall in December: 0.87"

The month with the highest snowfall is February (2.28").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December - Rantoul, KS
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (4.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Rantoul, KS
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.7h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 5.4h).

Average sunshine days in December - Rantoul, KS
  • Average sunshine days in December: 22.6 days

Months with the most sunshine days are January and December (22.6 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in December - Rantoul, KS
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Rantoul, KS
  • Average cloud cover in December: 38

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in December - Rantoul, KS
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).