December weather forecastGrano, ND
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Grano, North Dakota, with temperature in the range of an average low of 9.1°F (-12.7°C) and an average high of 20.3°F (-6.5°C).Temperature
December brings a significant decrease in the average high-temperature, moving down from an icy 35.4°F (1.9°C) in November to a freezing cold 20.3°F (-6.5°C). Throughout the nights in December, an average low-temperature of 9.1°F (-12.7°C) is noted.Humidity
In Grano, the average relative humidity in December is 88%.Rainfall
In December, in Grano, the rain falls for 2.9 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. In Grano, during the entire year, the rain falls for 104.5 days and collects up to 16.1" (409mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Grano, during December, snow falls for 14 days and regularly aggregates up to 3.46" (88mm) of snow. Throughout the year, in Grano, there are 74.4 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Grano, North Dakota.On the first day of the month, sunrise is at 8:18 am and sunset at 4:52 pm. On the last day of December, sunrise is at 8:38 am and sunset at 5:00 pm CST.
Sunshine
The months with the least sunshine in Grano are January and December, with an average of 3.8h of sunshine.UV index
In Grano, North Dakota, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grano, ND
- Average high temperature in December: 20.3°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in December: 9.1°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in December
Grano, 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 (29.84"Hg).
Average wind speed in December
Grano, ND
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Grano, ND
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Grano, ND
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days in December
Grano, ND
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Grano, ND
- Average snowfall in December: 3.46"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grano, ND
- Average snowfall days in December: 14 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grano, ND
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Grano, ND
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Grano, ND
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Grano, ND
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Grano, 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).





