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 into December is marked by a noticeable reduction in the average high-temperature, decreasing from November's cold 38.5°F (3.6°C) to a subzero cold 23°F (-5°C). Lyons reports a consistent average low-temperature of 11.3°F (-11.5°C) throughout December nights.Humidity
In Lyons, the average relative humidity in December is 87%.Rainfall
In Lyons, North Dakota, in December, during 2.9 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Lyons, during the entire year, the rain falls for 94.3 days and collects up to 14.29" (363mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 12.8 days and accumulates 3.31" (84mm) of snow.Daylight
The month with the shortest days in Lyons is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 8:09 am and sunset at 4:57 pm. On the last day of December, sunrise is at 8:29 am and sunset at 5:05 pm CST.
Sunshine
In December, the average sunshine is 4.1h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lyons, North Dakota. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Lyons?
What is the average humidity in December in Lyons?
How many days does it rain in December in Lyons?
What is the snowiest month in Lyons?
How much does it snow in Lyons in December?
What is the month with the shortest days in Lyons?
How many hours of daylight does Lyons have in December?
What time are sunrise and sunset in December in Lyons?
How long on average sun shines in December in Lyons?
When is the lowest UV index in Lyons?
How high is the UV index in December in Lyons?
Average temperature in December
Lyons, ND
- Average high temperature in December: 23°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 11.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in December
Lyons, ND
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Lyons, ND
- Average wind speed in December: 9.8mph
The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Lyons, ND
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Lyons, ND
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Lyons, ND
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Lyons, ND
- Average snowfall in December: 3.31"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lyons, ND
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lyons, ND
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Lyons, ND
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in December
Lyons, 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 November and December (UV index 1).
Average cloud cover in December
Lyons, ND
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Lyons, 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).
Lyons, North Dakota, USA
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