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 heralds a minor drop in average high-temperature, sliding from November's refreshing 64.6°F (18.1°C) to a mild 56.3°F (13.5°C). An average low-temperature of 43.2°F (6.2°C) is observed during December nights.Humidity
In December, the average relative humidity is 80%.Rainfall
In Alto, in December, during 13.3 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Alto, during the entire year, the rain falls for 156.1 days and collects up to 36.1" (917mm) of precipitation.Snowfall
April through December are months without snowfall in Alto.Daylight
The month with the shortest days in Alto is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:51 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:08 am and sunset at 5:12 pm CST.
Sunshine
The average sunshine in December in Alto, Louisiana, is 4.9h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Alto, Louisiana. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 3 transforms into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in December in Alto?
What is the average humidity in December in Alto?
How much does it rain in Alto in December?
When it does not snow in Alto?
Does it snow in Alto in December?
What is the month with the shortest days in Alto?
What is the average length of the day in December in Alto?
What time are sunrise and sunset in December in Alto?
How long on average sun shines in December in Alto?
What are the months with the lowest UV index in Alto?
What is the UV index intensity in December in Alto?
Average temperature in December
Alto, LA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in December: 43.2°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in December
Alto, LA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Alto, LA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.5mph).
Average humidity in December
Alto, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Alto, LA
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Alto, LA
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Alto, LA
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Alto, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.7 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
Alto, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Alto, LA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Alto, 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
Alto, LA
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and October (Cloud cover 27).
Average visibility in December
Alto, LA
- 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).
Alto, Louisiana, USA
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