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 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's arrival aligns with a minor decrease in average high-temperatures, from November's agreeable 69.4°F (20.8°C) to a comfortable 64°F (17.8°C). December generally records an average low-temperature of 50.9°F (10.5°C).Humidity
February, July through September and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 156.9 rainfall days, and 21.42" (544mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 5:02 pm. On the last day of December, sunrise is at 6:57 am and sunset at 5:13 pm CST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mathews have in December?
What time are sunrise and sunset in December in Mathews?
What is the month with the least sunshine?
How many hours of sunshine does Mathews have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mathews, LA
- Average high temperature in December: 64°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in December: 50.9°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in December
Mathews, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in December
Mathews, LA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Mathews, LA
- Average humidity in December: 78%
The months with the highest relative humidity are February, July, August, September and December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Mathews, LA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is March (0.91").
Average rainfall days in December
Mathews, LA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (6.6 days).
Average snowfall days in December
Mathews, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Mathews, LA
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Mathews, LA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in December
Mathews, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Mathews, LA
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Mathews, 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).
Mathews, Louisiana, USA
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