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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's refreshing 65.7°F (18.7°C) to a moderate 58.3°F (14.6°C). In Highland, December nights witness a steady temperature drop to a frosty 44.2°F (6.8°C).Humidity
In December, the average relative humidity in Highland is 81%.Rainfall
In December, the rain falls for 13 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. Throughout the year, in Highland, there are 151.7 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Highland. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Highland, during the entire year, snow falls for 1.6 days and aggregates up to 0.75" (19mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December in Highland, sunrise is at 6:48 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:12 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.9h 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 reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are the temperatures in Highland in December?
What is the average humidity in December in Highland?
How much does it rain in Highland in December?
When does it start snowing in Highland?
What is the month with the shortest days in Highland?
How many hours of daylight does Highland have in December?
When are sunrise and sunset in December in Highland?
What is the month with the least sunshine in Highland?
How long on average sun shines in December in Highland?
What is the month with the lowest UV index in Highland?
How high is the UV index in December in Highland?
Average temperature in December
Highland, LA
- Average high temperature in December: 58.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in December: 44.2°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in December
Highland, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in December
Highland, LA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Highland, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Highland, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Highland, LA
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is October (8.6 days).
Average snowfall in December
Highland, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Highland, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Highland, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Highland, LA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Highland, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Highland, LA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Highland, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Highland, Louisiana, USA
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