December weather forecastSaint Patrick, MO
December
Weather in December
December, the first month of the winter in Saint Patrick, is still a cold month, with temperature in the range of an average high of 38.7°F (3.7°C) and an average low of 26.6°F (-3°C).Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a fresh 50.4°F (10.2°C) in November to a cold 38.7°F (3.7°C). The average temperature during December nights in Saint Patrick is registered at a subzero cold 26.6°F (-3°C).Humidity
In December, the average relative humidity in Saint Patrick, Missouri, is 77%.Rainfall
In Saint Patrick, in December, during 6.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Saint Patrick, during the entire year, the rain falls for 137.5 days and collects up to 27.68" (703mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Saint Patrick, Missouri. In Saint Patrick, during December, snow falls for 5.3 days and regularly aggregates up to 2.05" (52mm) of snow. In Saint Patrick, during the entire year, snow falls for 28.4 days and aggregates up to 12.44" (316mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Saint Patrick, Missouri.On the first day of the month, sunrise is at 7:10 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:50 pm CST.
Sunshine
In Saint Patrick, Missouri, the average sunshine in December is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint Patrick. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Patrick, MO
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Saint Patrick, MO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Saint Patrick, MO
- Average wind speed in December: 9.7mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Saint Patrick, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Saint Patrick, MO
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Saint Patrick, MO
- Average rainfall days in December: 6.5 days
The months with the highest number of rainy days are May and June (17.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Saint Patrick, MO
- Average snowfall in December: 2.05"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Saint Patrick, MO
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (9.3 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
Saint Patrick, MO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Saint Patrick, MO
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Saint Patrick, 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
Saint Patrick, MO
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Saint Patrick, 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).





