December weather forecastKnightstown, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Knightstown, Indiana, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 38.3°F (3.5°C).Temperature
A shift in Knightstown's weather is observed as November turns into December, with the average high temperature reducing from a frosty 48.9°F (9.4°C) to a cold 38.3°F (3.5°C). Knightstown records an average low-temperature of 28.4°F (-2°C) throughout the month of December.Humidity
The most humid month in Knightstown is December, with an average relative humidity of 83%.Rainfall
In Knightstown, in December, it is raining for 7.4 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Knightstown, there are 125.9 rainfall days, and 12.28" (312mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. December is the month with the most snowfall in Knightstown. Snow falls for 5.7 days and accumulates 1.34" (34mm) of snow.Daylight
December has the shortest days of the year in Knightstown, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 5:17 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:27 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
The month with the lowest UV index in Knightstown, Indiana, is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Knightstown, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Knightstown, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Knightstown, IN
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Knightstown, IN
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Knightstown, IN
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
Knightstown, IN
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Knightstown, IN
- Average snowfall in December: 1.34"
The month with the highest snowfall is December (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Knightstown, IN
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Knightstown, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Knightstown, IN
- Average sunshine days in December: 18.9 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Knightstown, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Knightstown, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Knightstown, 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).
