December weather forecast
Farley, MO

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Weather in December

December, the first month of the winter in Farley, is also a wintry month, with an average temperature varying between 26.8°F (-2.9°C) and 40.1°F (4.5°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a fresh 52.7°F (11.5°C) in November to a wintry 40.1°F (4.5°C). Throughout December, Farley's nights cool down to an average of 26.8°F (-2.9°C).

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Farley, in December, during 4.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 125.5 rainfall days, and 22.28" (566mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Farley are January through May, October through December. In Farley, in December, snow falls for 3.1 days, with typically accumulated 0.94" (24mm) of snow. In Farley, during the entire year, snow falls for 17.9 days and aggregates up to 7.24" (184mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:20 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:06 pm CST.

Sunshine

In Farley, 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 in Farley. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 40.1°F (4.5°C) and a low-temperature of 26.8°F (-2.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 95°F (35°C).

What is the average humidity in December?

The average relative humidity in December is 74%.

How many days does it rain in December in Farley?

In Farley, Missouri, in December, during 4.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Farley, Missouri, during December, snow falls for 3.1 days and regularly aggregates up to 0.94" (24mm) 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 Farley have in December?

In December, the average day length is 9h and 28min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:20 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:06 pm CST.

How many hours of sunshine does Farley have in December?

In December, the average sunshine duration is 5.5h.

What is the month 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.

How high is the UV index in December in Farley?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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
Farley, MO

Average temperature in December - Farley, MO
  • Average high temperature in December: 40.1°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 (36.9°F).

  • Average low temperature in December: 26.8°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 (22.1°F).

Average pressure in December
Farley, MO

Average pressure in December - Farley, 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
Farley, MO

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

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

Average humidity in December
Farley, MO

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

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

Average rainfall in December
Farley, MO

Average rainfall in December - Farley, MO
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in December
Farley, MO

Average rainfall days in December - Farley, MO
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Farley, MO

Average snowfall in December - Farley, MO
  • Average snowfall in December: 0.94"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Farley, MO

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

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Farley, MO
  • Average daylight in December: 9h and 3min

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 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
Farley, MO

Average sunshine days in December - Farley, MO
  • Average sunshine days in December: 23 days

The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in December
Farley, MO

Average UV index in December - Farley, 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
Farley, MO

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

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in December
Farley, MO

Average visibility in December - Farley, 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).

Farley, Missouri, USA

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