The weather in December in St. Joseph

It's cool to moderate in December in St. Joseph with an average temperature of 18°C. Temperatures this month range from a low of 11°C to a high of 20°C. At night, you can expect temperatures between 2°C and 12°C.

Looking for sun? December isn’t a good month to be in St. Joseph. 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 St. Joseph, 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, St. Joseph reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -4°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -11°C to a highest value of 23°C.

Precipitation and snowfall

In December, there is an average of 245 mm of precipitation, spread over 21 days. Of the total precipitation, about 0,1 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.

Daily weather in December for St. Joseph

Click on any day in December to get detailed info about the usual weather on that day in St. Joseph. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  St. Joseph New York
Average temperature 18°C 9°C
Max. temperature 20°C 12°C
Min. temperature 2°C -5°C
Total precipitation 245 mm 133 mm
Rainy days 21 days 17 days
Total snowfall 0,1 cm 9,7 cm
Snowy days 1 day 3 days

Start of December

The month of December starts in St. Joseph with mild temps, averaging around 18°C during the day and nights around 7°C.

Mid December

By mid-December, daytime temps drop to around 17°C, with nights around 6°C. There’s a high chance of precipitation during this time.

End of December

By the end of December, the average daytime temperature in St. Joseph is around 19°C, while nighttime temps are about 9°C. There’s a significant chance of many days with precipitation.

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 St. Joseph runs from June to November.

Check out the climate of St. Joseph for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in December in St. Joseph, Louisiana. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in St. Joseph

Temperature in December in St. Joseph over the years

Precipitation charts

These charts show the average amount of precipitation in December in St. Joseph, 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 St. Joseph

Total precipitation in December in St. Joseph over the years

Daily Snowfall in December in St. Joseph

Snowfall in December in St. Joseph per year

Daily UV index in December in St. Joseph

This chart shows the average daily UV index in December in St. Joseph, 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 St. Joseph

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Average weather in St. Joseph by month

Click on a month below to see detailed weather info for St. Joseph. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.