United StatesThe weather in December in Saint Clair
It's pleasantly warm in December in Saint Clair with an average temperature of 20°C. Temperatures this month range from a low of 15°C to a high of 22°C. At night, you can expect temperatures between 8°C and 15°C.
Looking for sun? December isn’t a good month to be in Saint Clair. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Saint Clair, Louisiana. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 29°C in 2021, Saint Clair reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 2°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 24°C.
Rainfall amount
In December, there is an average of 192 mm of precipitation, spread over 19 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in December for Saint Clair
Click on any day in December to get detailed info about the usual weather on that day in Saint Clair. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Saint Clair | New York | |
|---|---|---|
| Average temperature | 20°C | 9°C |
| Max. temperature | 22°C | 12°C |
| Min. temperature | 8°C | -5°C |
| Total precipitation | 192 mm | 133 mm |
| Rainy days | 19 days | 17 days |
Start of December
The month of December starts in Saint Clair with mild temps, averaging around 21°C during the day and nights around 13°C.
Mid December
By mid-December, daytime temps drop to around 19°C, with nights around 11°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Saint Clair is around 21°C, while nighttime temps are about 13°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
The hurricane season in Saint Clair runs from June to November.
Check out the climate of Saint Clair for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Saint Clair, Louisiana. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Saint Clair
Temperature in December in Saint Clair over the years
Precipitation charts
These charts show the average amount of precipitation in December in Saint Clair, Louisiana. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Saint Clair
Total precipitation in December in Saint Clair over the years
Daily UV index in December in Saint Clair
This chart shows the average daily UV index in December in Saint Clair, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Saint Clair
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Average weather in Saint Clair by month
Click on a month below to see detailed weather info for Saint Clair. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.