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 start of December involves a temperature drop, moving from a cool 50.9°F (10.5°C) in November to an icy 40.3°F (4.6°C). During the month of December, the nighttime temperature falls to an average of 28.9°F (-1.7°C).Humidity
May, July and December, with an average relative humidity of 82%, are the most humid months in West Brook Downs.Rainfall
In West Brook Downs, Indiana, during December, the rain falls for 9.1 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 143.5 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In West Brook Downs, in December, snow falls for 5.9 days, with typically accumulated 1.22" (31mm) of snow. In West Brook Downs, during the entire year, snow falls for 26.8 days and aggregates up to 6.69" (170mm) of snow.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 7:47 am and sunset at 5:23 pm. On the last day of December, in West Brook Downs, Indiana, sunrise is at 8:05 am and sunset at 5:33 pm EST.
Sunshine
January and December, with an average of 4.3h of sunshine, are months with the least sunshine in West Brook Downs, Indiana.UV index
The months with the lowest UV index are January, February, October 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 radiation for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in West Brook Downs?
What are the most humid months in West Brook Downs?
What is the average humidity in December in West Brook Downs?
How many days does it rain in December in West Brook Downs?
How many days does it snow in December in West Brook Downs?
What is the month with the shortest days in West Brook Downs?
What is the average length of the day in December in West Brook Downs?
What time are sunrise and sunset in December in West Brook Downs?
What is the month with the least sunshine in West Brook Downs?
How many hours of sunshine does West Brook Downs have in December?
What is the month with the lowest UV index in West Brook Downs?
What is the UV index reading in December in West Brook Downs?
Average temperature in December
West Brook Downs, IN
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
West Brook Downs, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
West Brook Downs, IN
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
West Brook Downs, IN
- Average humidity in December: 82%
The months with the highest relative humidity are May, July and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
West Brook Downs, IN
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
West Brook Downs, IN
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
West Brook Downs, IN
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
West Brook Downs, IN
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (7.3 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
West Brook Downs, IN
- 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
West Brook Downs, IN
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
West Brook Downs, IN
- 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, October and December (UV index 2).
Average cloud cover in December
West Brook Downs, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
West Brook Downs, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
West Brook Downs, Indiana, USA
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