December weather forecast
Weston, MO

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Weather in December

The first month of the winter, December, is still a cold month in Weston, Missouri, with an average temperature varying between 26.6°F (-3°C) and 40.1°F (4.5°C).

Temperature

In Weston, entering December brings a temperature decrement, reducing from November's cool 52.2°F (11.2°C) to a wintry 40.1°F (4.5°C). In December, Weston encounters an average low-temperature of 26.6°F (-3°C) during the night.

Humidity

In December, the average relative humidity in Weston is 74%.

Rainfall

In Weston, Missouri, in December, it is raining for 5.8 days, with typically 1.06" (27mm) of accumulated precipitation. In Weston, during the entire year, the rain falls for 130.5 days and collects up to 26.38" (670mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Weston, in December, snow falls for 3.1 days, with typically accumulated 0.91" (23mm) of snow. In Weston, during the entire year, snow falls for 17.5 days and aggregates up to 7.09" (180mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December in Weston, sunrise is at 7:21 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:06 pm CST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

The months with the lowest UV index in Weston are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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 Weston in December?

The high-temperature, in December, in Weston, records 40.1°F (4.5°C), while the low-temperature is 26.6°F (-3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 95°F (35°C).

What is the average humidity in December in Weston?

In Weston, the average relative humidity in December is 74%.

How much does it rain in Weston in December?

In Weston, in December, it is raining for 5.8 days, with typically 1.06" (27mm) of accumulated precipitation.

How much does it snow in Weston in December?

In Weston, during December, snow falls for 3.1 days and regularly aggregates up to 0.91" (23mm) of snow.

What is the month with the shortest days in Weston?

The month with the shortest days in Weston, Missouri, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Weston have in December?

In December, the average day length in Weston, Missouri, is 9h and 26min.

When is the sunrise / sunset in December in Weston?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:06 pm CST.

How many hours of sunshine does Weston have in December?

In December, the average sunshine duration in Weston is 5.4h.

When is the lowest UV index in Weston?

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

What is the UV index reading in December in Weston?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat 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
Weston, MO

Average temperature in December - Weston, MO
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 26.6°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 (21.9°F).

Average pressure in December
Weston, MO

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Weston, MO

Average wind speed in December - Weston, MO
  • Average wind speed in December: 9.3mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in December
Weston, MO

Average humidity in December - Weston, MO
  • Average humidity in December: 74%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Weston, MO

Average rainfall in December - Weston, MO
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in December
Weston, MO

Average rainfall days in December - Weston, MO
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Weston, MO

Average snowfall in December - Weston, MO
  • Average snowfall in December: 0.91"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Weston, MO

Average snowfall days in December - Weston, MO
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Weston, MO
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in December
Weston, MO

Average sunshine days in December - Weston, MO
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in December
Weston, MO

Average UV index in December - Weston, 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
Weston, MO

Average cloud cover in December - Weston, MO
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in December
Weston, MO

Average visibility in December - Weston, 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).

Weston, Missouri, USA

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