December weather forecastVernon, IN
December
Weather in December
The first month of the winter, December, is also a wintry month in Vernon, Indiana, with an average temperature fluctuating between 41.4°F (5.2°C) and 30°F (-1.1°C).Temperature
Vernon's weather changes with the onset of December, slightly falling from a cool 51.3°F (10.7°C) in November to a wintry 41.4°F (5.2°C). An average temperature of 30°F (-1.1°C) marks the nights in December.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 81%.Rainfall
In Vernon, Indiana, in December, during 10.9 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Vernon, during the entire year, the rain falls for 153.7 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Vernon, in December, snow falls for 7.1 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, there are 31.7 snowfall days, and 9.17" (233mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Vernon are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. 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
Vernon, IN
- Average high temperature in December: 41.4°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Vernon, IN
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Vernon, IN
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January, February and April (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Vernon, IN
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Vernon, IN
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Vernon, IN
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Vernon, IN
- Average snowfall in December: 1.65"
The month with the highest snowfall is March (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Vernon, IN
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Vernon, IN
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Vernon, IN
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Vernon, 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, November and December (UV index 2).
Average cloud cover in December
Vernon, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Vernon, IN
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, June, October and November (6mi).
The months with the lowest visibility are February, May, July, August, September and December (5mi).
