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
December's onset corresponds with a shift in the average high-temperature, moving from a moderate 55.9°F (13.3°C) in November to a chilly 45.5°F (7.5°C). During December, the average low-temperature is a subzero cold 31.1°F (-0.5°C).Humidity
The average relative humidity in December is 74%.Rainfall
December is the month with the least rainfall. Rain falls for 5.5 days and accumulates 0.98" (25mm) of precipitation.Snowfall
Months with snowfall in Brooklyn Heights, Missouri, are January through March, May, November and December. In Brooklyn Heights, in December, during 2.2 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 11.3 snowfall days, and 2.91" (74mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 5:00 pm. On the last day of December, in Brooklyn Heights, sunrise is at 7:31 am and sunset at 5:10 pm CST.
Sunshine
The average sunshine in December is 5.6h.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 low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Brooklyn Heights in December?
What is the average humidity in December in Brooklyn Heights?
What is the driest month in Brooklyn Heights?
How many days does it rain in December in Brooklyn Heights?
How many days does it snow in December in Brooklyn Heights?
What is the month with the shortest days in Brooklyn Heights?
How many hours of daylight does Brooklyn Heights have in December?
When is the sunrise / sunset in December in Brooklyn Heights?
How many hours of sunshine does Brooklyn Heights have in December?
What is the month with the lowest UV index in Brooklyn Heights?
How high is the UV index in December in Brooklyn Heights?
Average temperature in December
Brooklyn Heights, MO
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Brooklyn Heights, 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 (29.92"Hg).
Average wind speed in December
Brooklyn Heights, MO
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Brooklyn Heights, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Brooklyn Heights, MO
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in December
Brooklyn Heights, MO
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is December (5.5 days).
Average snowfall in December
Brooklyn Heights, MO
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Brooklyn Heights, MO
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brooklyn Heights, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Brooklyn Heights, MO
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Brooklyn Heights, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Brooklyn Heights, MO
- Average cloud cover in December: 40
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Brooklyn Heights, 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).
Brooklyn Heights, Missouri, USA
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