December weather forecastRockaway Beach, MO
December
Weather in December
December, the first month of the winter in Rockaway Beach, is also a frosty month, with an average temperature varying between 31.5°F (-0.3°C) and 46.6°F (8.1°C).Temperature
December's arrival comes with a decrease in the average high-temperature, moving from a refreshing 56.1°F (13.4°C) in November to a frosty 46.6°F (8.1°C). The nighttime temperature, during December, averages of 31.5°F (-0.3°C).Humidity
In December, the average relative humidity in Rockaway Beach, Missouri, is 75%.Rainfall
In Rockaway Beach, in December, during 7.4 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Rockaway Beach, during the entire year, the rain falls for 142.8 days and collects up to 30.47" (774mm) of precipitation.Snowfall
Months with snowfall in Rockaway Beach are January through April, November and December. In Rockaway Beach, in December, snow falls for 1.5 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 9.5 snowfall days, and 3.62" (92mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December in Rockaway Beach, Missouri, sunrise is at 7:07 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:07 pm CST.
Sunshine
The average sunshine in December in Rockaway Beach is 5.6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Rockaway Beach. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rockaway Beach, MO
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Rockaway Beach, 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 (29.93"Hg).
Average wind speed in December
Rockaway Beach, MO
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February, March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Rockaway Beach, MO
- Average humidity in December: 75%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in December
Rockaway Beach, MO
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
Rockaway Beach, MO
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Rockaway Beach, MO
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rockaway Beach, MO
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.4 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
Rockaway Beach, MO
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).
Average sunshine days in December
Rockaway Beach, MO
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Rockaway Beach, 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 and December (UV index 2).
Average cloud cover in December
Rockaway Beach, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Rockaway Beach, 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).





