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 ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 48°F (8.9°C) to an icy 37.6°F (3.1°C). Thorntown, during the nights of December, experiences an average temperature drop to a freezing cold 27.1°F (-2.7°C).Humidity
The months with the highest humidity in Thorntown are January, July and December, with an average relative humidity of 83%.Rainfall
In Thorntown, Indiana, in December, during 9.1 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, in Thorntown, Indiana, there are 163.9 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
Months with snowfall in Thorntown are January through April, October through December. In Thorntown, in December, during 8.7 snowfall days, 3.31" (84mm) of snow is typically accumulated. Throughout the year, there are 40.6 snowfall days, and 13.46" (342mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Thorntown, Indiana, sunrise is at 7:50 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:31 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Thorntown during December?
What is the most humid month in Thorntown?
What is the average humidity in December in Thorntown?
How much does it rain in Thorntown in December?
How many days does it snow in December in Thorntown?
What is the month with the shortest days in Thorntown?
What is the average length of the day in December in Thorntown?
What time are sunrise and sunset in December in Thorntown?
How long on average sun shines in December in Thorntown?
What is the month with the lowest UV index in Thorntown?
What is the UV index intensity in December in Thorntown?
Average temperature in December
Thorntown, 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 (32.2°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Thorntown, IN
- Average pressure in December: 30.12"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
Thorntown, IN
- Average wind speed in December: 9.7mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Thorntown, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Thorntown, IN
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in December
Thorntown, IN
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in December
Thorntown, IN
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Thorntown, IN
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Thorntown, 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 0min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Thorntown, IN
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Thorntown, 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
Thorntown, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Thorntown, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Thorntown, Indiana, USA
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