December weather forecast and climate
Simpson, KS

December, the first month of the winter, in Simpson, is still a cold month, with average temperature fluctuating between 25.3°F (-3.7°C) and 40.3°F (4.6°C).

Temperature

In Simpson, the average high-temperature drops, from a cool 53.4°F (11.9°C) in November, to a cold 40.3°F (4.6°C). In Simpson, Kansas, in December, the average low-temperature is 25.3°F (-3.7°C).

Humidity

In December, the average relative humidity in Simpson is 70%.

Rainfall

In Simpson, in December, it is raining for 3.9 days, with typically 1.06" (27mm) of accumulated precipitation. In Simpson, during the entire year, the rain falls for 112.7 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Simpson, during 4 snowfall days, 1.42" (36mm) of snow is typically accumulated. Throughout the year, there are 20.8 snowfall days, and 9.09" (231mm) of snow is accumulated.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year in Simpson.

Sunshine

The month with the least sunshine is December, with an average of 5.9h of sunshine.

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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
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 Simpson?

In Simpson, in December, the average high-temperature is 40.3°F (4.6°C), and the average low-temperature is 25.3°F (-3.7°C).

What is the average humidity in December in Simpson?

The average relative humidity in December is 70%.

How much does it rain in Simpson in December?

In Simpson, in December, it is raining for 3.9 days, with typically 1.06" (27mm) of accumulated precipitation.

How much does it snow in Simpson in December?

In December, in Simpson, Kansas, it is snowing for 4 days. Throughout December, 1.42" (36mm) of snow is accumulated.

What is the month with the shortest days in Simpson?

With an average of 9.4h of daylight, December has the shortest days of the year.

How many hours of daylight does Simpson have in December?

The average length of the day in December in Simpson is 9.4h.

What is the month with the least sunshine in Simpson?

December has the least sunshine of the year in Simpson, with an average of 5.9h of sunshine.

How long on average sun shines in December in Simpson?

The average sunshine in December is 5.9h.

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

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

What is the UV index intensity in December in Simpson?

The average daily maximum UV index in December in Simpson is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Simpson, KS
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in December - Simpson, KS
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.85").

Average wind speed in December - Simpson, KS
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in December - Simpson, KS
  • Average humidity in December: 70%

Months with the highest relative humidity are January and May (71%).
The month with the lowest relative humidity is July (60%).

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

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in December - Simpson, KS
  • Average rainfall days in December: 3.9 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in December - Simpson, KS
  • Average snowfall in December: 1.42"

The month with the highest snowfall is February (2.44").
Months with the least snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is February (5.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Simpson, KS
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5.9h

The month with the most sunshine is June (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.9h).

Average sunshine days in December - Simpson, KS
  • Average sunshine days in December: 22.9 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in December - Simpson, 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 - Simpson, KS
  • Average cloud cover in December: 34

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 22).

Average visibility in December - Simpson, 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).