December weather forecastCathay, ND
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Cathay, North Dakota, with an average temperature ranging between min 7.9°F (-13.4°C) and max 19.6°F (-6.9°C).Temperature
December brings with it a considerable temperature decrease, with average high-temperatures dropping from November's icy 35.4°F (1.9°C) to a subzero cold 19.6°F (-6.9°C). Cathay in December anticipates an average nighttime temperature of 7.9°F (-13.4°C).Humidity
The average relative humidity in December is 89%.Rainfall
In December, the rain falls for 2.9 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Cathay, North Dakota, during the entire year, the rain falls for 100.3 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Cathay. December is the month with the most snowfall. Snow falls for 16.4 days and accumulates 4.53" (115mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Cathay, North Dakota.On the first day of the month, sunrise is at 8:05 am and sunset at 4:48 pm. On the last day of December, sunrise is at 8:25 am and sunset at 4:56 pm CST.
Sunshine
The average sunshine in December is 3.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cathay, ND
- Average high temperature in December: 19.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (16.3°F).
- Average low temperature in December: 7.9°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (1.9°F).
Average pressure in December
Cathay, 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
Cathay, ND
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is October (11.3mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Cathay, ND
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Cathay, ND
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in December
Cathay, ND
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Cathay, ND
- Average snowfall in December: 4.53"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cathay, ND
- Average snowfall days in December: 16.4 days
The month with the highest number of snowfall days is December (16.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Cathay, ND
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 30min
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
Cathay, ND
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in December
Cathay, 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
Cathay, ND
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Cathay, 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).
