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
December's arrival is marked by a significant decrease in the average high-temperature, moving from an icy 34.3°F (1.3°C) in November to a subzero cold 18.7°F (-7.4°C). Knox's average low-temperature during December nights is observed to be a frigid cold 7°F (-13.9°C).Humidity
In Knox, the average relative humidity in December is 90%.Rainfall
In Knox, in December, it is raining for 2.5 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, in Knox, there are 96 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
Months with snowfall in Knox are January through May, October through December. The month with the most snowfall is December, when snow falls for 16.1 days and typically aggregates up to 3.9" (99mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of December in Knox, North Dakota, sunrise is at 8:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 8:29 am and sunset at 4:54 pm CST.
Sunshine
The average sunshine in December in Knox is 3.5h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December leads to these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Knox?
What is the average humidity in December in Knox?
How much does it rain in Knox in December?
When does it snow the most in Knox?
How much does it snow in Knox in December?
What is the month with the shortest days in Knox?
What is the average length of the day in December in Knox?
What time are sunrise and sunset in December in Knox?
How long on average sun shines in December in Knox?
What are the months with the lowest UV index in Knox?
What is the UV index intensity in December in Knox?
Average temperature in December
Knox, ND
- Average high temperature in December: 18.7°F
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is January (15.3°F).
- Average low temperature in December: 7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).
Average pressure in December
Knox, ND
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Knox, ND
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Knox, ND
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Knox, ND
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Knox, ND
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Knox, ND
- Average snowfall in December: 3.9"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Knox, ND
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Knox, ND
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Knox, ND
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in December
Knox, ND
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Knox, ND
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Knox, ND
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Knox, North Dakota, USA
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