Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December involves a decrease in the average high-temperature, from a cool 53.4°F (11.9°C) to an icy 40.3°F (4.6°C). An average low-temperature of 25.3°F (-3.7°C) is expected during December.Humidity
The average relative humidity in December is 70%.Rainfall
In Simpson, in December, during 3.9 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. 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, in December, snow falls for 4 days, with typically accumulated 1.42" (36mm) of snow. In Simpson, during the entire year, snow falls for 20.8 days and aggregates up to 9.09" (231mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:33 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:18 pm CST.
Sunshine
December has the least sunshine of the year in Simpson, 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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Simpson have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
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"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
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%
The 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").
The 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).
The 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: 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 5min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
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).
The 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
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).
Simpson, Kansas, USA
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