Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December suggests a modest reduction in the average high-temperature, shifting from a fresh 53.4°F (11.9°C) in November to a frosty 43.3°F (6.3°C). Nighttime temperatures in Richwoods hover around an average low of 30.2°F (-1°C) in December.Humidity
In December, the average relative humidity in Richwoods is 77%.Rainfall
In Richwoods, in December, it is raining for 7.4 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 142.5 rainfall days, and 28.62" (727mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Richwoods, in December, snow falls for 3.7 days, with typically accumulated 1.85" (47mm) of snow. Throughout the year, there are 17.6 snowfall days, and 8.74" (222mm) 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 7:01 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:53 pm CST.
Sunshine
The months with the least sunshine in Richwoods, Missouri, are January and December, with an average of 4.7h of sunshine.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 minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Richwoods?
What is the average humidity in December in Richwoods?
How many days does it rain in December in Richwoods?
How much does it snow in Richwoods in December?
What is the month with the shortest days in Richwoods?
How many hours of daylight does Richwoods have in December?
When are sunrise and sunset in December in Richwoods?
What are the months with the least sunshine in Richwoods?
How long on average sun shines in December in Richwoods?
What are the months with the lowest UV index in Richwoods?
What is the UV index reading in December in Richwoods?
Average temperature in December
Richwoods, MO
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Richwoods, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Richwoods, MO
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Richwoods, MO
- Average humidity in December: 77%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Richwoods, MO
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Richwoods, MO
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Richwoods, MO
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Richwoods, MO
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richwoods, MO
- Average daylight in December: 9h and 4min
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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Richwoods, MO
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Richwoods, 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
Richwoods, MO
- Average cloud cover in December: 48
The months with the most cloud cover are January, February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Richwoods, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Richwoods, Missouri, USA
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