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SloveniaThe weather in December in Piran
It's cool in December in Piran with an average temperature of 11°C. Temperatures this month range from a low of 9°C to a high of 13°C. At night, you can expect temperatures between 2°C and 6°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Piran, Slovenia. 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 19°C in 2023, Piran reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 1°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 14°C.
Water temperature
The water temperature at Piran is 12°C this month. This is too cold to swim without protective gear.
Precipitation and snowfall
In December, there is an average of 88 mm of precipitation, spread over 12 days. Of the total precipitation, about 1,9 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in December for Piran
Click on any day in December to get detailed info about the usual weather on that day in Piran. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Piran | New York | |
|---|---|---|
| Average temperature | 11°C | 9°C |
| Max. temperature | 13°C | 12°C |
| Min. temperature | 2°C | -5°C |
| Total precipitation | 88 mm | 133 mm |
| Rainy days | 12 days | 17 days |
| Total snowfall | 1,9 cm | 9,7 cm |
| Snowy days | 1 day | 3 days |
Start of December
The month of December starts in Piran with cool temps, averaging around 12°C during the day and nights around 5°C.
Mid December
By mid-December, daytime temps stay steady at around 12°C, with nights around 4°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Piran is around 11°C, while nighttime temps are about 5°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 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Piran for all months and discover the best travel time
Curious about the weather in other parts of Slovenia? Check out the climate and weather for spots like Ljubljana, Bled, Bohinj, or explore other destinations in Slovenia.
Temperature charts
These charts show the average temperatures in December in Piran, Slovenia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Piran
Temperature in December in Piran over the years
Precipitation charts
These charts show the average amount of precipitation in December in Piran, Slovenia. 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 Piran
Total precipitation in December in Piran over the years
Daily Snowfall in December in Piran
Snowfall in December in Piran per year
Daily UV index in December in Piran
This chart shows the average daily UV index in December in Piran, 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 Piran
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Average weather in Piran by month
Click on a month below to see detailed weather info for Piran. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.