December weather forecast and climate
Roeland Park, KS

The first month of the winter, December, is still a cold month in Roeland Park, Kansas, with average temperature varying between 27.5°F (-2.5°C) and 40.8°F (4.9°C).

Temperature

In December, the average high-temperature decreases, from a cool 52.7°F (11.5°C) in November, to a cold 40.8°F (4.9°C). In Roeland Park, in December, the average low-temperature is 27.5°F (-2.5°C).

Humidity

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

Rainfall

In Roeland Park, during December, the rain falls for 2.5 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 62.3 rainfall days, and 4.76" (121mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May, October through December. In Roeland Park, during 1.9 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Roeland Park, during the entire year, snow falls for 10.9 days, and aggregates up to 1.14" (29mm) of snow.

Daylight

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

Sunshine

In Roeland Park, Kansas, the average sunshine is 5.4h.

UV index

Months with the lowest UV index in Roeland Park 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 unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. 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 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 Roeland Park?

In Roeland Park, Kansas, in December, the average high-temperature is 40.8°F (4.9°C), and the average low-temperature is 27.5°F (-2.5°C).

What is the average humidity in December in Roeland Park?

The average relative humidity in December in Roeland Park, Kansas, is 73%.

How many days does it rain in December in Roeland Park?

In December, in Roeland Park, Kansas, the rain falls for 2.5 days. Throughout December, 0.31" (8mm) of precipitation is accumulated.

How many days does it snow in December in Roeland Park?

In Roeland Park, in December, snow falls for 1.9 days, with typically accumulated 0.08" (2mm) of snow.

What is the month with the shortest days in Roeland Park?

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

How many hours of daylight does Roeland Park have in December?

In December, the average length of the day is 9.5h.

How many hours of sunshine does Roeland Park have in December?

In December, the average sunshine in Roeland Park is 5.4h.

What is the month with the lowest UV index in Roeland Park?

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

How high is the UV index in December in Roeland Park?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in December - Roeland Park, KS
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December - Roeland Park, KS
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.89").

Average wind speed in December - Roeland Park, KS
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are March and April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in December - Roeland Park, KS
  • Average humidity in December: 73%

Months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December - Roeland Park, KS
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is November (0.16").

Average rainfall days in December - Roeland Park, KS
  • Average rainfall days in December: 2.5 days

Months with the highest number of rainy days are May and July (8.3 days).
The month with the least rainy days is January (2.2 days).

Average snowfall in December - Roeland Park, KS
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.39").
Months with the least snowfall are April, June, July, August and September (0").

Average snowfall days in December - Roeland Park, KS
  • Average snowfall days in December: 1.9 days

Months with the highest number of snowfall days are January and February (2.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.4h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 5.1h).

Average sunshine days in December - Roeland Park, KS
  • Average sunshine days in December: 26.7 days

The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is May (19.7 days).

Average UV index in December - Roeland Park, KS
  • Average UV index in December: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Roeland Park, KS
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in December - Roeland Park, 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).