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
McNary's December weather features a light decline in high-temperatures, reducing from a comfortable 66.7°F (19.3°C) in November to a moderate 59.7°F (15.4°C). December's nights in McNary observe an average temperature of 44.8°F (7.1°C).Humidity
In McNary, the average relative humidity in December is 82%.Rainfall
In December, in McNary, the rain falls for 13.6 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. Throughout the year, in McNary, there are 159.5 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in McNary, there are 1 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
The month with the shortest days in McNary is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:51 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:08 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine in McNary is December, with an average of 4.8h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during December translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for McNary in December?
What is the average humidity in December in McNary?
How much does it rain in McNary in December?
When does it start to snow 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 are sunrise and sunset in December in McNary?
What is the month with the least sunshine in McNary?
How many hours of sunshine does McNary have in December?
What is the month with the lowest UV index in McNary?
What is the UV index intensity in December in McNary?
Average temperature in December
McNary, LA
- Average high temperature in December: 59.7°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 44.8°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in December
McNary, LA
- Average pressure in December: 30.12"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
McNary, LA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
McNary, LA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
McNary, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
McNary, LA
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is October (9.7 days).
Average snowfall in December
McNary, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
McNary, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
McNary, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
McNary, LA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is August (12.3 days).
Average UV index in December
McNary, LA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
McNary, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
McNary, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).
McNary, Louisiana, USA
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