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 results in a decrease in the average high-temperature, receding from a cool 55°F (12.8°C) in November to a chilly 46°F (7.8°C). McNary, during the month of December, experiences an average low-temperature of 34°F (1.1°C).Humidity
In December, the average relative humidity in McNary is 78%.Rainfall
In McNary, in December, it is raining for 10.7 days, with typically 1.77" (45mm) of accumulated precipitation. In McNary, during the entire year, the rain falls for 150.9 days and collects up to 23.46" (596mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in McNary, Kentucky. In McNary, in December, snow falls for 2.9 days, with typically accumulated 0.47" (12mm) of snow. In McNary, during the entire year, snow falls for 16.1 days and aggregates up to 4.45" (113mm) of snow.Daylight
The month with the shortest days in McNary is December, with an average of 9h and 42min of daylight.On the first day of December in McNary, sunrise is at 6:45 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:42 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index in McNary 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: A maximum high daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in McNary?
What is the average humidity in December in McNary?
How many days does it rain in December in McNary?
How many days does it snow in December in McNary?
What is the month with the shortest days in McNary?
What is the average length of the day in December in McNary?
When is the sunrise / sunset in December in McNary?
How long on average sun shines in December in McNary?
What are the months with the lowest UV index in McNary?
What is the UV index reading in December in McNary?
Average temperature in December
McNary, KY
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
McNary, 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
McNary, KY
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
McNary, KY
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
McNary, KY
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is February (2.52").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
McNary, KY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
McNary, KY
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
McNary, KY
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (4.8 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
McNary, 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 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
McNary, KY
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
McNary, 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 and December (UV index 2).
Average cloud cover in December
McNary, KY
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
McNary, KY
- 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).
McNary, Kentucky, USA
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