December weather forecast
Patterson, MO

Share

Weather in December

December, the first month of the winter in Patterson, is still a chilly month, with temperature in the range of an average low of 32°F (0°C) and an average high of 45.3°F (7.4°C).

Temperature

The onset of December results in a decrease in the average high-temperature, receding from a fresh 55°F (12.8°C) in November to a chilly 45.3°F (7.4°C). Throughout the month of December, the average temperature dips to a cold 32°F (0°C) at night.

Humidity

The average relative humidity in December is 77%.

Rainfall

The months with the least rainfall are September and December Rain falls for 8.1 days and accumulates 1.26" (32mm) of rain.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 1.8 days. Throughout December, 1.02" (26mm) of snow is accumulated. Throughout the year, there are 11.9 snowfall days, and 4.72" (120mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:57 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:55 pm CST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To guard against the harmful effects of the Sun, minimize exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Patterson in December?

In December, in Patterson, the average high-temperature is 45.3°F (7.4°C), and the average low-temperature is 32°F (0°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in December in Patterson?

The average relative humidity in December is 77%.

What is the driest month?

The months with the least rainfall are September and December Rain falls for 8.1 days and accumulates 1.26" (32mm) of rain.

How much does it rain in Patterson in December?

In Patterson, in December, during 8.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Patterson, during December, snow falls for 1.8 days and regularly aggregates up to 1.02" (26mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Patterson have in December?

The average day length in December in Patterson is 9h and 40min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:57 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:55 pm CST.

How many hours of sunshine does Patterson have in December?

In December, the average sunshine duration is 5.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Patterson, MO

Average temperature in December - Patterson, MO
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 32°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Patterson, MO

Average pressure in December - Patterson, MO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Patterson, MO

Average wind speed in December - Patterson, MO
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Patterson, MO

Average humidity in December - Patterson, MO
  • Average humidity in December: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Patterson, MO

Average rainfall in December - Patterson, MO
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is April (3.03").
The driest months (with the least rainfall) are September and December (1.26").

Average rainfall days in December
Patterson, MO

Average rainfall days in December - Patterson, MO
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (15.7 days).
The months with the least rainy days are January and December (8.1 days).

Average snowfall in December
Patterson, MO

Average snowfall in December - Patterson, MO
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Patterson, MO

Average snowfall days in December - Patterson, MO
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (3.8 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
Patterson, MO

Average daylight in December / Average sunshine in December - Patterson, MO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Patterson, MO

Average sunshine days in December - Patterson, MO
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12 days).

Average UV index in December
Patterson, MO

Average UV index in December - Patterson, 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 and December (UV index 2).

Average cloud cover in December
Patterson, MO

Average cloud cover in December - Patterson, MO
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Patterson, MO

Average visibility in December - Patterson, MO
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).

Patterson, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location