December weather forecast
Winchester, MO

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Weather in December

December, the first month of the winter in Winchester, is also a frosty month, with an average temperature ranging between min 30.2°F (-1°C) and max 43.3°F (6.3°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's fresh 53.8°F (12.1°C) to a chilly 43.3°F (6.3°C). Throughout December, Winchester records an average temperature of 30.2°F (-1°C) at night.

Humidity

The average relative humidity in December in Winchester is 76%.

Rainfall

In Winchester, during December, the rain falls for 6.1 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Winchester, Missouri, during the entire year, the rain falls for 134.1 days and collects up to 23.82" (605mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 4.1 days and accumulates 1.3" (33mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:01 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:51 pm CST.

Sunshine

In December, the average sunshine in Winchester is 4.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Winchester in December?

December temperatures in Winchester vary between a high-temperature of 43.3°F (6.3°C) and a low-temperature of 30.2°F (-1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 98.6°F (37°C).

What is the average humidity in December in Winchester?

The average relative humidity in December is 76%.

How much does it rain in Winchester in December?

In December, in Winchester, the rain falls for 6.1 days. Throughout December, 1.42" (36mm) of precipitation is accumulated.

When does it snow the most in Winchester?

December is the month with the most snowfall. Snow falls for 4.1 days and accumulates 1.3" (33mm) of snow.

How much does it snow in Winchester in December?

In Winchester, in December, snow falls for 4.1 days, with typically accumulated 1.3" (33mm) of snow.

What is the month with the shortest days in Winchester?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Winchester, Missouri.

What is the average length of the day in December in Winchester?

The average day length in December in Winchester, Missouri, is 9h and 31min.

When are sunrise and sunset in December in Winchester?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:51 pm CST.

How long on average sun shines in December in Winchester?

In Winchester, the average sunshine duration in December is 4.8h.

What is the month with the lowest UV index in Winchester?

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

How high is the UV index in December in Winchester?

In Winchester, Missouri, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from 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
Winchester, MO

Average temperature in December - Winchester, MO
  • Average high temperature in December: 43.3°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in December
Winchester, MO

Average pressure in December - Winchester, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Winchester, MO

Average wind speed in December - Winchester, MO
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Winchester, MO

Average humidity in December - Winchester, MO
  • Average humidity in December: 76%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Winchester, MO

Average rainfall in December - Winchester, MO
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.1").

Average rainfall days in December
Winchester, MO

Average rainfall days in December - Winchester, MO
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (6.1 days).

Average snowfall in December
Winchester, MO

Average snowfall in December - Winchester, MO
  • Average snowfall in December: 1.3"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Winchester, MO

Average snowfall days in December - Winchester, MO
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Winchester, MO

Average daylight in December / Average sunshine in December - Winchester, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
Winchester, MO

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

The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in December
Winchester, MO

Average UV index in December - Winchester, MO
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Winchester, MO

Average cloud cover in December - Winchester, MO
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

Average visibility in December
Winchester, MO

Average visibility in December - Winchester, 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).

Winchester, Missouri, USA

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