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 onset of December results in a decrease in the average high-temperature, receding from a fresh 55.2°F (12.9°C) in November to a chilly 44.6°F (7°C). Walnut, during the nights of December, experiences an average temperature drop to a subzero cold 30.7°F (-0.7°C).Humidity
In December, the average relative humidity is 72%.Rainfall
In December, the rain falls for 6.1 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 138.5 rainfall days, and 32.17" (817mm) of precipitation is accumulated.Snowfall
Months with snowfall in Walnut are January through May, October through December. In Walnut, Kansas, during December, snow falls for 2.3 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, there are 12.7 snowfall days, and 5.55" (141mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:12 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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Walnut have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Walnut, KS
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 30.7°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 (26.6°F).
Average pressure in December
Walnut, 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 (29.91"Hg).
Average wind speed in December
Walnut, KS
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is March (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Walnut, KS
- Average humidity in December: 72%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in December
Walnut, KS
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (5.71").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Walnut, KS
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Walnut, KS
- Average snowfall in December: 0.98"
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
Walnut, KS
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Walnut, KS
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Walnut, KS
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Walnut, 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
Walnut, KS
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in December
Walnut, 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).
Walnut, Kansas, USA
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