December weather forecastGreendoor, MO
December
Weather in December
The first month of the winter, December, is still a cold month in Greendoor, Missouri, with an average temperature fluctuating between 28.4°F (-2°C) and 41.5°F (5.3°C).Temperature
A shift in Greendoor's weather is observed as November turns into December, with the average high temperature reducing from a fresh 52.9°F (11.6°C) to a cold 41.5°F (5.3°C). In December, the recorded average low-temperature is a freezing cold 28.4°F (-2°C).Humidity
In December, the average relative humidity is 75%.Rainfall
In December, the rain falls for 5.4 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Greendoor, there are 131 rainfall days, and 20.35" (517mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Greendoor, during December, snow falls for 2.3 days and regularly aggregates up to 0.43" (11mm) of snow. In Greendoor, Missouri, during the entire year, snow falls for 15.7 days and aggregates up to 4.29" (109mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:03 pm CST.
Sunshine
In Greendoor, Missouri, the average sunshine in December is 5.4h.UV index
The months with the lowest UV index in Greendoor, Missouri, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greendoor, MO
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Greendoor, 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 (29.91"Hg).
Average wind speed in December
Greendoor, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Greendoor, MO
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Greendoor, MO
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Greendoor, MO
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Greendoor, MO
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Greendoor, MO
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (5.3 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
Greendoor, MO
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 24min
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 6min).
Average sunshine days in December
Greendoor, MO
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is December (23.1 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Greendoor, 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
Greendoor, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Greendoor, 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).
