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
The transition into December involves a decrease in the average high-temperature, falling from a cool 52.5°F (11.4°C) in November to an icy 41°F (5°C). Throughout the month of December, the average temperature dips to a subzero cold 28.4°F (-2°C) at night.Humidity
The average relative humidity in December in Bellflower, Missouri, is 77%.Rainfall
In Bellflower, in December, it is raining for 6.5 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in Bellflower, there are 139.8 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Bellflower. In Bellflower, during December, snow falls for 4 days and regularly aggregates up to 1.54" (39mm) of snow. Throughout the year, there are 19.7 snowfall days, and 9.49" (241mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:05 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:53 pm CST.
Sunshine
In Bellflower, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Bellflower 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold does it get in Bellflower in December?
What is the average humidity in December in Bellflower?
How much does it rain in Bellflower in December?
How much does it snow in Bellflower in December?
What is the month with the shortest days in Bellflower?
How many hours of daylight does Bellflower have in December?
What time are sunrise and sunset in December in Bellflower?
How long on average sun shines in December in Bellflower?
What are the months with the lowest UV index in Bellflower?
How high is the UV index in December in Bellflower?
Average temperature in December
Bellflower, MO
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 28.4°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 (22.5°F).
Average pressure in December
Bellflower, 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 (29.91"Hg).
Average wind speed in December
Bellflower, MO
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are January and February (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Bellflower, 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
Bellflower, MO
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is May (3.39").
The driest months (with the least rainfall) are January and February (1.46").
Average rainfall days in December
Bellflower, MO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in December
Bellflower, MO
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Bellflower, MO
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is February (5.9 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
Bellflower, MO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Bellflower, MO
- Average sunshine days in December: 20 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Bellflower, MO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Bellflower, MO
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Bellflower, 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).
Bellflower, Missouri, USA
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