December weather forecastHigh Ridge, MO
December
Weather in December
December, the first month of the winter in High Ridge, is also a frosty month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 43°F (6.1°C).Temperature
With December's arrival, High Ridge's weather changes as the average high-temperature falls from a cool 53.4°F (11.9°C) in November to a frosty 43°F (6.1°C). High Ridge records an average low-temperature of 30.6°F (-0.8°C) throughout the month of December.Humidity
The average relative humidity in December in High Ridge is 75%.Rainfall
In December, the rain falls for 7.2 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 141.7 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
January through March, September, November and December are months with snowfall. In High Ridge, during December, snow falls for 3.6 days and regularly aggregates up to 0.87" (22mm) of snow. In High Ridge, during the entire year, snow falls for 18.9 days and aggregates up to 7.2" (183mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:51 pm CST.
Sunshine
In High Ridge, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in High Ridge are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Keep in mind! Snow's reflective quality can nearly 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
High Ridge, MO
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
High Ridge, 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
High Ridge, MO
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
High Ridge, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
High Ridge, MO
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in December
High Ridge, MO
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
High Ridge, MO
- Average snowfall in December: 0.87"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in December
High Ridge, MO
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are April, May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
High Ridge, 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: 4h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
High Ridge, MO
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is December (20.1 days).
The months with the least sunshine days are May and July (12.6 days).
Average UV index in December
High Ridge, MO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
High Ridge, MO
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in December
High Ridge, 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).
