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
December brings a significant decrease in the average high-temperature, moving down from a cold 35.4°F (1.9°C) in November to a subzero cold 20.3°F (-6.5°C). During December, the average low-temperature is a frigid cold 9.1°F (-12.7°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In December, the rain falls for 2.9 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 104.5 rainfall days, and 16.1" (409mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Norma, in December, snow falls for 14 days, with typically accumulated 3.46" (88mm) of snow. In Norma, North Dakota, during the entire year, snow falls for 74.4 days and aggregates up to 21.42" (544mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December in Norma, sunrise is at 8:20 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 5:01 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.8h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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?
How much does it snow in Norma in December?
What is the month with the shortest days?
How many hours of daylight does Norma have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Norma, 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
Norma, 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
Norma, 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
Norma, 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
Norma, 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
Norma, 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
Norma, 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
Norma, 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
Norma, ND
- Average daylight in December: 8h and 2min
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 5min
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
Norma, 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
Norma, 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
Norma, 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
Norma, 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).
Norma, North Dakota, USA
Weather forecast for your location
2. Allow the app to use your location