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
In the transition to December, Washington observes a drop in the average high-temperature, moving from a fresh 51.6°F (10.9°C) in November to a cold 38.7°F (3.7°C). In December, in Washington, the average low-temperature is a freezing cold 24.4°F (-4.2°C).Humidity
The average relative humidity in December in Washington is 73%.Rainfall
In December, the rain falls for 5.4 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Washington, during the entire year, the rain falls for 127.7 days and collects up to 24.92" (633mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Washington, in December, during 4.7 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, there are 23.6 snowfall days, and 8.46" (215mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:13 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
Is it cold in Washington during December?
What is the average humidity in December in Washington?
How much does it rain in Washington in December?
How many days does it snow in December in Washington?
What is the month with the shortest days in Washington?
How many hours of daylight does Washington have in December?
What time are sunrise and sunset in December in Washington?
What is the month with the least sunshine in Washington?
How long on average sun shines in December in Washington?
What is the month with the lowest UV index in Washington?
How high is the UV index in December in Washington?
Average temperature in December
Washington, KS
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Washington, KS
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Washington, KS
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in December
Washington, KS
- Average humidity in December: 73%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Washington, KS
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Washington, KS
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Washington, KS
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Washington, KS
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Washington, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Washington, KS
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Washington, 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
Washington, KS
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June, July and August (Cloud cover 25).
Average visibility in December
Washington, 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).
Washington, Kansas, USA
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