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 brings a small shift in high-temperatures, falling from a fresh 54°F (12.2°C) in November to a chilly 45.1°F (7.3°C). December's average low-temperature reading settles at a cold 32.9°F (0.5°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Saint Catharine, Kentucky, during December, the rain falls for 12.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Saint Catharine, during the entire year, the rain falls for 166.5 days and collects up to 33.66" (855mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 5 days. Throughout December, 1.1" (28mm) of snow is accumulated. In Saint Catharine, during the entire year, snow falls for 26.5 days and aggregates up to 7.83" (199mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:38 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:32 pm EST.
Sunshine
The average sunshine in December is 4.5h.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 vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Catharine in December?
What is the most humid month?
What is the average humidity in December?
How much 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 is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Saint Catharine, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Saint Catharine, KY
- 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 (29.96"Hg).
Average wind speed in December
Saint Catharine, KY
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Saint Catharine, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (75%).
Average rainfall in December
Saint Catharine, KY
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Saint Catharine, KY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Saint Catharine, KY
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Saint Catharine, KY
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (7.9 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
Saint Catharine, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Saint Catharine, KY
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Saint Catharine, 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
Saint Catharine, KY
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Saint Catharine, 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).
Saint Catharine, Kentucky, USA
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