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
As November transitions into December, Brunswick sees a drop in the average high-temperature, transitioning from a fresh 52°F (11.1°C) to an icy 40.1°F (4.5°C). December nights experience a consistent temperature drop to a freezing cold 27°F (-2.8°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Brunswick, in December, during 5.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Brunswick, during the entire year, the rain falls for 134.1 days and collects up to 28.9" (734mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Brunswick. In Brunswick, during December, snow falls for 2.9 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 18.1 snowfall days, and 9.76" (248mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:14 am and sunset at 4:49 pm. On the last day of December, in Brunswick, sunrise is at 7:32 am and sunset at 4:59 pm CST.
Sunshine
The average sunshine in December in Brunswick is 4.9h.UV index
The months with the lowest UV index in Brunswick are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Brunswick?
What is the average humidity in December in Brunswick?
How many days does it rain in December in Brunswick?
How many days does it snow in December in Brunswick?
What is the month with the shortest days in Brunswick?
How many hours of daylight does Brunswick have in December?
When are sunrise and sunset in December in Brunswick?
How many hours of sunshine does Brunswick have in December?
What are the months with the lowest UV index in Brunswick?
What is the UV index reading in December in Brunswick?
Average temperature in December
Brunswick, MO
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 27°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 (21.6°F).
Average pressure in December
Brunswick, 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
Brunswick, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Brunswick, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Brunswick, MO
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Brunswick, MO
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Brunswick, MO
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brunswick, MO
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brunswick, MO
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Brunswick, 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 May (11.6 days).
Average UV index in December
Brunswick, 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
Brunswick, MO
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Brunswick, 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).
Brunswick, Missouri, USA
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