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
In December, the meteorological conditions alter, with the average high-temperature shifting from a cool 53.8°F (12.1°C) in November to a frosty 43.2°F (6.2°C). In Sunset Hills, the average nighttime temperature during December is a subzero cold 30.7°F (-0.7°C).Humidity
The average relative humidity in December in Sunset Hills is 76%.Rainfall
In December, in Sunset Hills, the rain falls for 8.2 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 146.1 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Sunset Hills, in December, snow falls for 3 days, with typically accumulated 1.89" (48mm) of snow. In Sunset Hills, during the entire year, snow falls for 15.3 days and aggregates up to 8.27" (210mm) of snow.Daylight
The month with the shortest days in Sunset Hills is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:40 pm. On the last day of December, in Sunset Hills, sunrise is at 7:19 am and sunset at 4:50 pm CST.
Sunshine
In Sunset Hills, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is December in Sunset Hills?
What is the average humidity in December in Sunset Hills?
How much does it rain in Sunset Hills in December?
How many days does it snow in December in Sunset Hills?
What is the month with the shortest days in Sunset Hills?
How many hours of daylight does Sunset Hills have in December?
What time are sunrise and sunset in December in Sunset Hills?
How many hours of sunshine does Sunset Hills have in December?
When is the lowest UV index in Sunset Hills?
How high is the UV index in December in Sunset Hills?
Average temperature in December
Sunset Hills, MO
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 30.7°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 (25°F).
Average pressure in December
Sunset Hills, 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
Sunset Hills, MO
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Sunset Hills, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Sunset Hills, MO
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.77").
Average rainfall days in December
Sunset Hills, MO
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (16.9 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in December
Sunset Hills, MO
- Average snowfall in December: 1.89"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sunset Hills, MO
- Average snowfall days in December: 3 days
The months with the highest number of snowfall days are January and February (4.8 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
Sunset Hills, MO
- Average daylight in December: 9h and 3min
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 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Sunset Hills, MO
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Sunset Hills, 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 and December (UV index 2).
Average cloud cover in December
Sunset Hills, MO
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Sunset Hills, 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).
Sunset Hills, Missouri, USA
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