December weather forecastMorton, MN
December
Weather in December
December, the first month of the winter in Morton, is also a subzero cold month, with temperature in the range of an average high of 25.5°F (-3.6°C) and an average low of 14.4°F (-9.8°C).Temperature
December indicates a noticeable reduction in the average high-temperature, moving down from a wintry 41.4°F (5.2°C) in November to a subzero cold 25.5°F (-3.6°C). During December, Morton consistently records a temperature low averaging a still freezing cold 14.4°F (-9.8°C).Humidity
In December, the average relative humidity in Morton is 86%.Rainfall
In Morton, during December, the rain falls for 2.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Morton, during the entire year, the rain falls for 98 days and collects up to 14.61" (371mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 10.4 days. Throughout December, 2.6" (66mm) of snow is accumulated. In Morton, during the entire year, snow falls for 46.9 days and aggregates up to 13.27" (337mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:37 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Morton. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Morton, MN
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in December
Morton, MN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Morton, MN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Morton, MN
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Morton, MN
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Morton, MN
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Morton, MN
- Average snowfall in December: 2.6"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Morton, MN
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Morton, MN
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Morton, MN
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in December
Morton, MN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Morton, MN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Morton, MN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
