December weather forecastRhineland, MO
December
Weather in December
December, the first month of the winter in Rhineland, is still a cold month, with an average temperature ranging between max 42.1°F (5.6°C) and min 29.1°F (-1.6°C).Temperature
In Rhineland, the beginning of December is marked by a lowered average high-temperature, shifting from November's cool 52.9°F (11.6°C) to a cold 42.1°F (5.6°C). Rhineland in December anticipates an average nighttime temperature of 29.1°F (-1.6°C).Humidity
The average relative humidity in December in Rhineland is 77%.Rainfall
In Rhineland, during December, the rain falls for 7.5 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 146.9 rainfall days, and 29.76" (756mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Rhineland, Missouri, in December, snow falls for 3.9 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, there are 20.1 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Rhineland, Missouri.On the first day of the month, sunrise is at 7:05 am and sunset at 4:44 pm. On the last day of December, in Rhineland, sunrise is at 7:24 am and sunset at 4:54 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rhineland, MO
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Rhineland, 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
Rhineland, MO
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in December
Rhineland, 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 (72%).
Average rainfall in December
Rhineland, MO
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Rhineland, MO
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Rhineland, MO
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rhineland, MO
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Rhineland, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Rhineland, MO
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Rhineland, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rhineland, MO
- Average cloud cover in December: 47
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Rhineland, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





