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
Start of December brings a shift in the average high-temperature, falling from November's chilly 48.2°F (9°C) to a wintry 37.6°F (3.1°C). December brings an average low-temperature of 27.3°F (-2.6°C) to West Lafayette.Humidity
In West Lafayette, the average relative humidity in December is 81%.Rainfall
In West Lafayette, Indiana, during December, the rain falls for 8.9 days and regularly aggregates up to 1.34" (34mm) of precipitation. In West Lafayette, during the entire year, the rain falls for 153.1 days and collects up to 22.13" (562mm) of precipitation.Snowfall
Months with snowfall in West Lafayette are January through April, November and December. In West Lafayette, during December, snow falls for 9.1 days and regularly aggregates up to 1.73" (44mm) of snow. Throughout the year, there are 38.6 snowfall days, and 8.39" (213mm) of snow is accumulated.Daylight
December has the shortest days of the year in West Lafayette, with an average of 9h and 18min of daylight.On the first day of December in West Lafayette, sunrise is at 7:52 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:31 pm EST.
Sunshine
In December, the average sunshine is 4.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in West Lafayette?
What is the average humidity in December in West Lafayette?
How much does it rain in West Lafayette in December?
How much does it snow in West Lafayette in December?
What is the month with the shortest days in West Lafayette?
What is the average length of the day in December in West Lafayette?
What time are sunrise and sunset in December in West Lafayette?
How many hours of sunshine does West Lafayette have in December?
What is the month with the lowest UV index in West Lafayette?
How high is the UV index in December in West Lafayette?
Average temperature in December
West Lafayette, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
West Lafayette, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
West Lafayette, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
West Lafayette, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
West Lafayette, IN
- Average rainfall in December: 1.34"
The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in December
West Lafayette, IN
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
West Lafayette, IN
- Average snowfall in December: 1.73"
The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
West Lafayette, IN
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Lafayette, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
West Lafayette, IN
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
West Lafayette, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
West Lafayette, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in December
West Lafayette, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
West Lafayette, Indiana, USA
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