December weather forecast
Norris, MO

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Weather in December

December, the first month of the winter in Norris, is still a chilly month, with an average temperature ranging between min 28.9°F (-1.7°C) and max 43°F (6.1°C).

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.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

An average high-temperature, in December, in Norris, is 43°F (6.1°C) and the average low-temperature is 28.9°F (-1.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 96.8°F (36°C).

What is the average humidity in December in Norris?

The average relative humidity in December is 74%.

How much does it rain in December?

In December, the rain falls for 5.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How many days does it snow in December?

In Norris, in December, snow falls for 2.9 days, with typically accumulated 1.02" (26mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

How many hours of daylight does Norris have in December?

The average day length in December is 9h and 32min.

What time are sunrise and sunset in December?

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.

How long on average sun shines in December?

In Norris, the average sunshine duration in December is 5.5h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In December, the average daily maximum UV index in Norris is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Norris, MO

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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