December weather forecastDunn Mill, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Dunn Mill, Indiana, with an average temperature ranging between min 26.2°F (-3.2°C) and max 36°F (2.2°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's chilly 46.9°F (8.3°C) to a wintry 36°F (2.2°C). In Dunn Mill, an average temperature of 26.2°F (-3.2°C) is noted during December nights.Humidity
The average relative humidity in December in Dunn Mill is 84%.Rainfall
In Dunn Mill, in December, it is raining for 7.4 days, with typically 0.71" (18mm) of accumulated precipitation. In Dunn Mill, during the entire year, the rain falls for 125.3 days and collects up to 13.11" (333mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Dunn Mill, in December, during 7.1 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Dunn Mill, Indiana, during the entire year, snow falls for 32.5 days and aggregates up to 5.75" (146mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:47 am and sunset at 5:12 pm. On the last day of December, sunrise is at 8:06 am and sunset at 5:22 pm EST.
Sunshine
In Dunn Mill, the average sunshine in December is 3.8h.UV index
December is the month with the lowest UV index in Dunn Mill, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes 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:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dunn Mill, IN
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Dunn Mill, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Dunn Mill, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Dunn Mill, IN
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Dunn Mill, IN
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Dunn Mill, IN
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Dunn Mill, IN
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dunn Mill, IN
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dunn Mill, IN
- Average daylight in December: 9h and 18min
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: 3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Dunn Mill, IN
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Dunn Mill, 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
Dunn Mill, IN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Dunn Mill, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
