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
December's onset corresponds with a shift in the average high-temperature, moving from a fresh 52.7°F (11.5°C) in November to a frosty 43.7°F (6.5°C). During the month of December, an average temperature of 31.1°F (-0.5°C) is noted during the nights.Humidity
The months with the highest humidity in Cynthiana are February and December, with an average relative humidity of 81%.Rainfall
In Cynthiana, during December, the rain falls for 11.7 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 151.9 rainfall days, and 21.97" (558mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Cynthiana. In December, it is snowing for 6.7 days. Throughout December, 0.83" (21mm) of snow is accumulated. In Cynthiana, during the entire year, snow falls for 30.4 days and aggregates up to 6.1" (155mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:36 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:26 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index in Cynthiana?
What is the UV index intensity in December?
Average temperature in December
Cynthiana, KY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Cynthiana, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Cynthiana, KY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Cynthiana, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Cynthiana, KY
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Cynthiana, KY
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Cynthiana, KY
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cynthiana, KY
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (8.3 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, KY
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Cynthiana, KY
- Average sunshine days in December: 14 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in December
Cynthiana, KY
- 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, November and December (UV index 2).
Average cloud cover in December
Cynthiana, KY
- 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 29).
Average visibility in December
Cynthiana, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Cynthiana, Kentucky, USA
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