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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from an agreeable 68.9°F (20.5°C) to a refreshing 63°F (17.2°C). In Saint James, the average temperature during the nights of December drops to a frosty 49.5°F (9.7°C).Humidity
February, July through September and December, with an average relative humidity of 79%, are the most humid months in Saint James.Rainfall
In December, in Saint James, the rain falls for 12.8 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Saint James, there are 172.6 rainfall days, and 30.2" (767mm) of precipitation is accumulated.Snowfall
In Saint James, snow does not fall in February through December.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:42 am and sunset at 5:03 pm. On the last day of December, in Saint James, sunrise is at 6:58 am and sunset at 5:14 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index in Saint James. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the average December temperature in Saint James?
What are the most humid months in Saint James?
What is the average humidity in December in Saint James?
How many days does it rain in December in Saint James?
When it does not snow in Saint James?
Does it snow in Saint James in December?
What is the month with the shortest days in Saint James?
How many hours of daylight does Saint James have in December?
When is the sunrise / sunset in December in Saint James?
What is the month with the least sunshine in Saint James?
How long on average sun shines in December in Saint James?
When is the lowest UV index in Saint James?
What is the UV index reading in December in Saint James?
Average temperature in December
Saint James, LA
- Average high temperature in December: 63°F
The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in December: 49.5°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in December
Saint James, 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
Saint James, LA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Saint James, LA
- Average humidity in December: 79%
The months with the highest relative humidity are February, July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Saint James, LA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in December
Saint James, LA
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Saint James, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Saint James, LA
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Saint James, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Saint James, LA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6.4 days).
Average UV index in December
Saint James, 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
Saint James, LA
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in December
Saint James, 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).
Saint James, Louisiana, USA
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