December weather forecastGarwood, MO
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 42min
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 6min
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: 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: 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: 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: 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).





