December weather forecastRives, MO
December
Weather in December
December, the first month of the winter in Rives, is still a chilly month, with an average temperature fluctuating between 49.1°F (9.5°C) and 37°F (2.8°C).Temperature
In Rives, the average high-temperature in December slightly decreases from a mild 57.7°F (14.3°C) in November to a frosty 49.1°F (9.5°C). Rives throughout December, experiences an average nighttime temperature of 37°F (2.8°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 10.9 days. Throughout December, 3.15" (80mm) of precipitation is accumulated. In Rives, during the entire year, the rain falls for 151.4 days and collects up to 36.18" (919mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Rives, in December, during 0.9 snowfall days, 0.59" (15mm) of snow is typically accumulated. Throughout the year, there are 6.3 snowfall days, and 4.61" (117mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:56 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
January, February 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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rives, MO
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 37°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Rives, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Rives, MO
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Rives, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Rives, MO
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is March (4.09").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Rives, MO
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (15.8 days).
The months with the least rainy days are January, October and November (9.7 days).
Average snowfall in December
Rives, MO
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Rives, MO
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rives, MO
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Rives, MO
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Rives, MO
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Rives, MO
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Rives, 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).
