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 brings a slight change in high-temperatures, falling from a fresh 55°F (12.8°C) in November to a chilly 45.3°F (7.4°C). Brookline's nights in December cool down to an average low-temperature of 30.2°F (-1°C).Humidity
In December, the average relative humidity in Brookline is 75%.Rainfall
In Brookline, Missouri, during December, the rain falls for 7.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Brookline, during the entire year, the rain falls for 149.3 days and collects up to 34.45" (875mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Brookline. In December, it is snowing for 2.9 days. Throughout December, 0.59" (15mm) of snow is accumulated. Throughout the year, in Brookline, there are 17.1 snowfall days, and 6.46" (164mm) 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 December in Brookline, Missouri, sunrise is at 7:09 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:06 pm CST.
Sunshine
The average sunshine in December in Brookline is 5.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Brookline. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Brookline in December?
What is the average humidity in December in Brookline?
How much does it rain in Brookline in December?
How much does it snow in Brookline in December?
What is the month with the shortest days in Brookline?
What is the average length of the day in December in Brookline?
What time are sunrise and sunset in December in Brookline?
How many hours of sunshine does Brookline have in December?
When is the lowest UV index in Brookline?
What is the UV index reading in December in Brookline?
Average temperature in December
Brookline, MO
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Brookline, 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 (29.93"Hg).
Average wind speed in December
Brookline, MO
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Brookline, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in December
Brookline, MO
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is May (5.16").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Brookline, MO
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Brookline, MO
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Brookline, MO
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brookline, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Brookline, MO
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in December
Brookline, 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, November and December (UV index 2).
Average cloud cover in December
Brookline, MO
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Brookline, 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).
Brookline, Missouri, USA
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