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 December, the meteorological conditions in Rugby markedly change with the average high-temperature descending from a cold 34.3°F (1.3°C) in November to a freezing cold 18.7°F (-7.4°C). The average nighttime temperature in Rugby lowers to a frigid cold 7°F (-13.9°C) throughout December.Humidity
In Rugby, the average relative humidity in December is 90%.Rainfall
In Rugby, North Dakota, during December, the rain falls for 2.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in Rugby, there are 96 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Rugby. The month with the most snowfall in Rugby is December, when snow falls for 16.1 days and typically aggregates up to 3.9" (99mm) of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Rugby.On the first day of the month, sunrise is at 8:11 am and sunset at 4:47 pm. On the last day of December, in Rugby, sunrise is at 8:31 am and sunset at 4:55 pm CST.
Sunshine
In December, the average sunshine is 3.5h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Rugby, North Dakota. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Rugby in December?
What is the average humidity in December in Rugby?
How much does it rain in Rugby in December?
What is the snowiest month in Rugby?
How many days does it snow in December in Rugby?
What is the month with the shortest days in Rugby?
What is the average length of the day in December in Rugby?
When are sunrise and sunset in December in Rugby?
How long on average sun shines in December in Rugby?
What are the months with the lowest UV index in Rugby?
What is the UV index reading in December in Rugby?
Average temperature in December
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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
Rugby, 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).
Rugby, North Dakota, USA
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