December weather forecast
Forsyth, MO

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Weather in December

December, the first month of the winter in Forsyth, is also a frosty month, with an average temperature varying between 31.5°F (-0.3°C) and 46.6°F (8.1°C).

Temperature

The move into December indicates a reduction in the average high-temperature, down from November's mild 56.1°F (13.4°C) to a frosty 46.6°F (8.1°C). During the month of December, the nighttime temperature falls to an average of 31.5°F (-0.3°C).

Humidity

In Forsyth, the average relative humidity in December is 75%.

Rainfall

In Forsyth, Missouri, during December, the rain falls for 7.4 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Forsyth, during the entire year, the rain falls for 142.8 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 1.5 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 9.5 snowfall days, and 3.62" (92mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:56 pm. On the last day of December, in Forsyth, sunrise is at 7:24 am and sunset at 5:06 pm CST.

Sunshine

In Forsyth, the average sunshine in December is 5.6h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

In December, the average high-temperature and low-temperature are 46.6°F (8.1°C) and 31.5°F (-0.3°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity in Forsyth is 75%.

How many days does it rain in December?

In Forsyth, during December, the rain falls for 7.4 days and regularly aggregates up to 1.81" (46mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 1.5 days. Throughout December, 0.31" (8mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Forsyth, Missouri, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

In December, the average day length in Forsyth is 9h and 42min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:06 pm CST.

How long on average sun shines in December?

The average sunshine duration in December in Forsyth is 5.6h.

What is the month with the lowest UV index?

January 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 is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Forsyth, MO

Average temperature in December - Forsyth, MO
  • Average high temperature in December: 46.6°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in December
Forsyth, MO

Average pressure in December - Forsyth, 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 (29.93"Hg).

Average wind speed in December
Forsyth, MO

Average wind speed in December - Forsyth, MO
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are January, February, March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in December
Forsyth, MO

Average humidity in December - Forsyth, MO
  • Average humidity in December: 75%

The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).

Average rainfall in December
Forsyth, MO

Average rainfall in December - Forsyth, MO
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in December
Forsyth, MO

Average rainfall days in December - Forsyth, MO
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Forsyth, MO

Average snowfall in December - Forsyth, MO
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Forsyth, MO

Average snowfall days in December - Forsyth, MO
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.4 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
Forsyth, MO

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

Average sunshine days in December
Forsyth, MO

Average sunshine days in December - Forsyth, MO
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (12.2 days).

Average UV index in December
Forsyth, MO

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

Average cloud cover in December
Forsyth, MO

Average cloud cover in December - Forsyth, MO
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 28).

Average visibility in December
Forsyth, MO

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

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

Forsyth, Missouri, USA

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