December weather forecastCynthiana, IN
December
Weather in December
The first month of the winter, December, is also a frosty month in Cynthiana, Indiana, with an average temperature varying between 43.5°F (6.4°C) and 32.2°F (0.1°C).Temperature
With the onset of December, Cynthiana experiences a modest temperature adjustment, with the average high-temperature receding from a fresh 53.2°F (11.8°C) in November to a chilly 43.5°F (6.4°C). Cynthiana records an average low-temperature of 32.2°F (0.1°C) throughout the month of December.Humidity
In Cynthiana, the average relative humidity in December is 78%.Rainfall
In Cynthiana, during December, the rain falls for 8.7 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 133.6 rainfall days, and 19.33" (491mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Cynthiana, in December, during 3.7 snowfall days, 0.47" (12mm) of snow is typically accumulated. Throughout the year, there are 18 snowfall days, and 3.35" (85mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:41 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cynthiana, IN
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Cynthiana, IN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Cynthiana, IN
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Cynthiana, IN
- Average humidity in December: 78%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Cynthiana, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is April (2.28").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Cynthiana, IN
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Cynthiana, IN
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cynthiana, IN
- Average snowfall days in December: 3.7 days
The months with the highest number of snowfall days are January and February (5.1 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
Cynthiana, IN
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Cynthiana, IN
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in December
Cynthiana, 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 and December (UV index 2).
Average cloud cover in December
Cynthiana, IN
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Cynthiana, 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).
