December weather forecastMonteith Junction, MO
December
Weather in December
December, the first month of the winter in Monteith Junction, is also a frosty month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 43°F (6.1°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a cool 54.1°F (12.3°C) in November to a frosty 43°F (6.1°C). Monteith Junction, in December, witnesses an average low-temperature of 29.3°F (-1.5°C).Humidity
In Monteith Junction, the average relative humidity in December is 73%.Rainfall
In Monteith Junction, during December, the rain falls for 6.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Monteith Junction, during the entire year, the rain falls for 131.6 days and collects up to 22.2" (564mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October through December. In Monteith Junction, in December, snow falls for 2.3 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 12.7 snowfall days, and 4.88" (124mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:07 pm CST.
Sunshine
The average sunshine in December in Monteith Junction, Missouri, is 5.6h.UV index
The months with the lowest UV index 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 unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Monteith Junction, MO
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Monteith Junction, 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 (29.91"Hg).
Average wind speed in December
Monteith Junction, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Monteith Junction, MO
- Average humidity in December: 73%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Monteith Junction, MO
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Monteith Junction, MO
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Monteith Junction, MO
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Monteith Junction, MO
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are April, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Monteith Junction, MO
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 36min
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 18min).
Average sunshine days in December
Monteith Junction, MO
- Average sunshine days in December: 22.8 days
The months with the most sunshine days are January and December (22.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Monteith Junction, 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
Monteith Junction, MO
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Monteith Junction, 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).





