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 onset of December coincides with a reduction in the average high-temperature, falling from a frosty 48.2°F (9°C) in November to a wintry 37.6°F (3.1°C). In the month of December, Wilshire's average low-temperature falls to a freezing cold 27.3°F (-2.6°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Wilshire, during December, the rain falls for 7.4 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 139.5 rainfall days, and 18.07" (459mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, in Wilshire, it is snowing for 5.3 days. Throughout December, 1.57" (40mm) of snow is accumulated. In Wilshire, during the entire year, snow falls for 28.4 days and aggregates up to 7.44" (189mm) of snow.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 7:50 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:08 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Wilshire. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Wilshire, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32°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
Wilshire, 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
Wilshire, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Wilshire, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Wilshire, IN
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Wilshire, IN
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Wilshire, IN
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wilshire, IN
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wilshire, 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 24min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Wilshire, IN
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Wilshire, IN
- 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, October, November and December (UV index 2).
Average cloud cover in December
Wilshire, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Wilshire, 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).
Wilshire, Indiana, USA
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