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 beginning of December signals a clear reduction in the average high-temperature, falling from an icy 35.4°F (1.9°C) in November to a freezing cold 18.9°F (-7.3°C). During the nights in December, an average low-temperature of 8.1°F (-13.3°C) is observed.Humidity
The average relative humidity in December is 88%.Rainfall
In Gilby, in December, during 2.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 98.8 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 13.3 days and typically aggregates up to 4.8" (122mm) 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 the month, sunrise is at 7:59 am and sunset at 4:38 pm. On the last day of December, sunrise is at 8:19 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 3.6h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. 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
How cold is December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
How many days does it snow in December in Gilby?
What is the month with the shortest days?
How many hours of daylight does Gilby have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Gilby, ND
- Average high temperature in December: 18.9°F
The warmest months (with the highest average high temperature) are July and August (80.2°F).
The month with the lowest average high temperature is January (15.4°F).
- Average low temperature in December: 8.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).
Average pressure in December
Gilby, ND
- Average pressure in December: 30.12"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
Gilby, ND
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in December
Gilby, ND
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Gilby, ND
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in December
Gilby, ND
- Average rainfall days in December: 2.2 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in December
Gilby, ND
- Average snowfall in December: 4.8"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gilby, ND
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gilby, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Gilby, ND
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Gilby, ND
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Gilby, ND
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Gilby, 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).
Gilby, North Dakota, USA
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