December weather forecast
Garwood, MO

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Weather in December

The first month of the winter, December, is still a chilly month in Garwood, Missouri, with an average temperature fluctuating between 45.3°F (7.4°C) and 32°F (0°C).

Temperature

Welcoming December, Garwood observes a shift in the average high-temperature, falling from November's cool 55°F (12.8°C) to a frosty 45.3°F (7.4°C). Garwood's nights in December experience an average temperature drop to a cold 32°F (0°C).

Humidity

In Garwood, the average relative humidity in December is 77%.

Rainfall

September and December are months with the least rain in Garwood when the rain falls for 8.1 days and typically aggregates up to 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

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:56 pm CST.

Sunshine

In Garwood, the average sunshine in December 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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In December, in Garwood, 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', 'felt air temperature'), 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 Garwood, the average relative humidity in December is 77%.

What is the driest month?

September and December are months with the least rain when the rain falls for 8.1 days and typically aggregates up to 1.26" (32mm) of rain.

How many days does it rain in December?

In Garwood, during December, the rain falls for 8.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

How many days does it snow in December?

In Garwood, Missouri, in December, snow falls for 1.8 days, with typically accumulated 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 Garwood have in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:58 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:56 pm CST.

How many hours of sunshine does Garwood have in December?

In December, the average sunshine duration is 5.1h.

When is the lowest UV index?

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?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Garwood, MO

Average temperature in December - Garwood, 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
Garwood, MO

Average pressure in December - Garwood, 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
Garwood, MO

Average wind speed in December - Garwood, 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
Garwood, MO

Average humidity in December - Garwood, 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
Garwood, MO

Average rainfall in December - Garwood, 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
Garwood, MO

Average rainfall days in December - Garwood, 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
Garwood, MO

Average snowfall in December - Garwood, 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
Garwood, MO

Average snowfall days in December - Garwood, 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
Garwood, MO

Average daylight in December / Average sunshine in December - Garwood, 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
Garwood, MO

Average sunshine days in December - Garwood, 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
Garwood, MO

Average UV index in December - Garwood, 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
Garwood, MO

Average cloud cover in December - Garwood, 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
Garwood, MO

Average visibility in December - Garwood, 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).

Garwood, Missouri, USA

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