December weather forecastTrafalgar, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Trafalgar, Indiana, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 39.7°F (4.3°C).Temperature
The onset of December coincides with a reduction in the average high-temperature, falling from a cool 50.2°F (10.1°C) in November to a wintry 39.7°F (4.3°C). In December, Trafalgar experiences a temperature dip to an average of 28.8°F (-1.8°C) at night.Humidity
The months with the highest humidity in Trafalgar are July and December, with an average relative humidity of 82%.Rainfall
In Trafalgar, during December, the rain falls for 10.8 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Trafalgar, during the entire year, the rain falls for 156.3 days and collects up to 30.16" (766mm) of precipitation.Snowfall
Months with snowfall in Trafalgar are January through April, October through December. In Trafalgar, during December, snow falls for 7.6 days and regularly aggregates up to 2.24" (57mm) of snow. Throughout the year, in Trafalgar, Indiana, there are 34.2 snowfall days, and 9.29" (236mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:46 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:31 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trafalgar, IN
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Trafalgar, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Trafalgar, IN
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Trafalgar, IN
- Average humidity in December: 82%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Trafalgar, IN
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in December
Trafalgar, IN
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Trafalgar, IN
- Average snowfall in December: 2.24"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Trafalgar, IN
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Trafalgar, IN
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 4h and 6min
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: 4h and 0min).
Average sunshine days in December
Trafalgar, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Trafalgar, IN
- Average UV index in December: 2
The months with the highest UV index are May, 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
Trafalgar, IN
- Average cloud cover in December: 57
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
Trafalgar, 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).
