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
In December, the average high-temperature goes from a fresh 54°F (12.2°C) in November to a frosty 43°F (6.1°C). Norris reports an average nighttime low-temperature of 28.9°F (-1.7°C) in December.Humidity
In December, the average relative humidity is 74%.Rainfall
In Norris, in December, during 5.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 131.1 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
January through March, May, October through December are months with snowfall. In December, it is snowing for 2.9 days. Throughout December, 1.02" (26mm) of snow is accumulated. In Norris, during the entire year, snow falls for 14.8 days and aggregates up to 5.04" (128mm) of snow.Daylight
The month with the shortest days in Norris is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:04 pm CST.
Sunshine
In Norris, the average sunshine in December is 5.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of 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 in Norris?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Norris have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Norris, MO
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Norris, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Norris, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Norris, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Norris, MO
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Norris, MO
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Norris, MO
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Norris, MO
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Norris, MO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Norris, MO
- Average sunshine days in December: 22.1 days
The months with the most sunshine days are January and December (22.1 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in December
Norris, MO
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Norris, MO
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Norris, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Norris, Missouri, USA
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