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
As December commences, the average high-temperature shows a reduction, transitioning from a frosty 47.7°F (8.7°C) in November to an icy 36.5°F (2.5°C). In Twelve Mile, an average temperature of 26.6°F (-3°C) is noted during December nights.Humidity
In December, the average relative humidity is 82%.Rainfall
December is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.02" (26mm) of precipitation.Snowfall
Months with snowfall in Twelve Mile, Indiana, are January through April, November and December. In Twelve Mile, in December, snow falls for 7.3 days, with typically accumulated 1.18" (30mm) of snow. In Twelve Mile, during the entire year, snow falls for 36.1 days and aggregates up to 7.8" (198mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Twelve Mile, sunrise is at 7:50 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:27 pm EST.
Sunshine
In Twelve Mile, Indiana, the average sunshine in December is 4.1h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Twelve Mile?
What is the average humidity in December in Twelve Mile?
What is the driest month in Twelve Mile?
How much does it rain in Twelve Mile in December?
How much does it snow in Twelve Mile in December?
What is the month with the shortest days in Twelve Mile?
How many hours of daylight does Twelve Mile have in December?
What time are sunrise and sunset in December in Twelve Mile?
How long on average sun shines in December in Twelve Mile?
When is the lowest UV index in Twelve Mile?
What is the UV index reading in December in Twelve Mile?
Average temperature in December
Twelve Mile, IN
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Twelve Mile, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Twelve Mile, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Twelve Mile, 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
Twelve Mile, IN
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in December
Twelve Mile, IN
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Twelve Mile, IN
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Twelve Mile, IN
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Twelve Mile, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Twelve Mile, IN
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Twelve Mile, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Twelve Mile, IN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July, August and September (Cloud cover 34).
Average visibility in December
Twelve Mile, 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).
Twelve Mile, Indiana, USA
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