December weather forecastGrand Pass, MO
December
Weather in December
December, the first month of the winter in Grand Pass, is also a wintry month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 27°F (-2.8°C).Temperature
Grand Pass's transition into December involves a shift in temperature, receding from a cool 52.2°F (11.2°C) in November to an icy 40.1°F (4.5°C). In December, the average low-temperature is a freezing cold 27°F (-2.8°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In Grand Pass, in December, it is raining for 6.2 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 136.7 rainfall days, and 27.87" (708mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, May, October through December. In Grand Pass, in December, during 3.5 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, in Grand Pass, there are 18.3 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:01 pm CST.
Sunshine
The average sunshine in December is 5.2h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grand Pass, MO
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Grand Pass, 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 (29.9"Hg).
Average wind speed in December
Grand Pass, MO
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Grand Pass, MO
- Average humidity in December: 76%
The months with the highest relative humidity are May, June, July and August (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Grand Pass, MO
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Grand Pass, MO
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Grand Pass, MO
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Grand Pass, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grand Pass, MO
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Grand Pass, MO
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is December (21.4 days).
The months with the least sunshine days are May and June (12.1 days).
Average UV index in December
Grand Pass, MO
- Average UV index in December: 2
The months with the highest UV index are 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
Grand Pass, MO
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Grand Pass, 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).





