December weather forecastSmithland, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Smithland, Indiana, with an average temperature varying between 39.2°F (4°C) and 28.6°F (-1.9°C).Temperature
With December's onset, the weather shows a temperature decrease, transitioning from a frosty 49.5°F (9.7°C) in November to a cold 39.2°F (4°C). During the nights in December, Smithland observes an average low-temperature of 28.6°F (-1.9°C).Humidity
January, July and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In December, in Smithland, the rain falls for 9.3 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Smithland, there are 153.4 rainfall days, and 26.81" (681mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, in Smithland, it is snowing for 6.8 days. Throughout December, 2.01" (51mm) of snow is accumulated. Throughout the year, in Smithland, there are 28.6 snowfall days, and 9.13" (232mm) 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 the month, sunrise is at 7:45 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:29 pm EST.
Sunshine
In December, the average sunshine in Smithland, Indiana, is 4.2h.UV index
December is the month with the lowest UV index in Smithland, 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 radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Smithland, IN
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Smithland, 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
Smithland, IN
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Smithland, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January, July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Smithland, IN
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Smithland, IN
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Smithland, IN
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Smithland, IN
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (7.8 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
Smithland, 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 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Smithland, IN
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Smithland, IN
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Smithland, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Smithland, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
