The weather in December in Grand-Case

It's hot in December in Grand-Case with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 24°C and 26°C.

December is a good month to be in Grand-Case for sunny weather. You’ll have high temperatures and not too much 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 Grand-Case, Saint Martin. 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 32°C in 2019, Grand-Case reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 25°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 27°C.

Rainfall amount

In December, there is an average of 86 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in December for Grand-Case

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

December weather comparison

  Grand-Case New York
Average temperature 30°C 9°C
Max. temperature 30°C 12°C
Min. temperature 24°C -5°C
Total precipitation 86 mm 133 mm
Rainy days 11 days 17 days

Start of December

The month of December starts in Grand-Case with hot temps, averaging around 30°C during the day and nights around 26°C.

Mid December

By mid-December, daytime temps stay steady at around 30°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of December

By the end of December, the average daytime temperature in Grand-Case is around 30°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Grand-Case for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in December in Grand-Case, Saint Martin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Grand-Case

Temperature in December in Grand-Case over the years

Precipitation charts

These charts show the average amount of precipitation in December in Grand-Case, Saint Martin. 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 Grand-Case

Total precipitation in December in Grand-Case over the years

Daily UV index in December in Grand-Case

This chart shows the average daily UV index in December in Grand-Case, 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 Grand-Case

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Average weather in Grand-Case by month

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