The weather in December in San Marino

It's cool in December in San Marino with an average temperature of 10°C. Temperatures this month range from a low of 8°C to a high of 12°C. At night, you can expect temperatures between 3°C and 7°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 San Marino, San Marino. 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 2019, San Marino reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 1°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 13°C.

Precipitation and snowfall

In December, there is an average of 55 mm of precipitation, spread over 9 days. Of the total precipitation, about 1,2 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in December for San Marino

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

December weather comparison

  San Marino New York
Average temperature 10°C 9°C
Max. temperature 12°C 12°C
Min. temperature 3°C -5°C
Total precipitation 55 mm 133 mm
Rainy days 9 days 17 days
Total snowfall 1,2 cm 9,7 cm
Snowy days 1 day 3 days

Start of December

The month of December starts in San Marino with cold temps, averaging around 11°C during the day and nights around 6°C.

Mid December

By mid-December, daytime temps drop to around 10°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 San Marino is around 10°C, while nighttime temps are about 5°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

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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.

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Temperature charts

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

Daily Temperature in December in San Marino

Temperature in December in San Marino over the years

Precipitation charts

These charts show the average amount of precipitation in December in San Marino, San Marino. 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 San Marino

Total precipitation in December in San Marino over the years

Daily Snowfall in December in San Marino

Snowfall in December in San Marino per year

Daily UV index in December in San Marino

This chart shows the average daily UV index in December in San Marino, 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 San Marino

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Average weather in San Marino by month

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