Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December entails a temperature shift, as the average high-temperature decreases from a cool 53.2°F (11.8°C) in November to a frosty 43.5°F (6.4°C). Throughout December, the temperature in Cynthiana tends to fall to a consistent average low of 32.2°F (0.1°C).Humidity
In December, the average relative humidity 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 Cynthiana, during December, snow falls for 3.7 days and regularly aggregates up to 0.47" (12mm) of snow. Throughout the year, there are 18 snowfall days, and 3.35" (85mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:49 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:41 pm CST.
Sunshine
In Cynthiana, the average sunshine in December is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Cynthiana. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold does it get in Cynthiana in December?
What is the average humidity in December in Cynthiana?
How many days does it rain in December in Cynthiana?
How much does it snow in Cynthiana in December?
What is the month with the shortest days in Cynthiana?
How many hours of daylight does Cynthiana have in December?
What time are sunrise and sunset in December in Cynthiana?
How long on average sun shines in December in Cynthiana?
What is the month with the lowest UV index in Cynthiana?
How high is the UV index in December in Cynthiana?
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 4min
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 3min
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).
Cynthiana, Indiana, USA
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