December weather forecast
Acquaviva, San Marino

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Weather in December

As the year's last page, December in Acquaviva brings back the full impact of winter, with temperatures stooping to a low of 6.4°C (43.5°F). Following the rhythm of nature, the weather cycles back to where it began, echoing a sentiment of completion and renewal. A mild comeback of snowfall at 2mm (0.08") dusts the landscape, drawing the classic winter scene. With the crisp winter wind, the city gears up for the holiday season, bracing itself for the chilly nights and frosty mornings. It culminates the annual weather journey, completing the circle, ready to embark on another when the new year dawns.

Temperature

During the shift to December, a minor reduction in average high-temperature is observed, shifting from a mild 14.5°C (58.1°F) in November to a fresh 10.4°C (50.7°F). December records a small disparity from daytime temperatures, marking an average low-temperature of 6.4°C (43.5°F).

Humidity

In Acquaviva, the average relative humidity in December is 76%.

Rainfall

In Acquaviva, San Marino, in December, it is raining for 11 days, with typically 36mm (1.42") of accumulated precipitation. In Acquaviva, during the entire year, the rain falls for 139.3 days and collects up to 509mm (20.04") of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 3 snowfall days, and 34mm (1.34") of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:25 and sunset at 16:33. On the last day of December, in Acquaviva, sunrise is at 07:44 and sunset at 16:42 CET.

Sunshine

In Acquaviva, San Marino, the average sunshine in December is 6h.

UV index

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

What are the temperatures in Acquaviva in December?

The average high-temperature, in December, in Acquaviva, is 10.4°C (50.7°F), while the average low-temperature is 6.4°C (43.5°F). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 31°C (87.8°F).

What is the average humidity in December in Acquaviva?

In Acquaviva, San Marino, the average relative humidity in December is 76%.

How much does it rain in Acquaviva in December?

In Acquaviva, during December, the rain falls for 11 days and regularly aggregates up to 36mm (1.42") of precipitation.

When does it start snowing in Acquaviva?

December is the first month it typically snows in Acquaviva, San Marino. Throughout December, in the average 0.8 snowfall days, it receives 2mm (0.08") of snow.

What is the month with the shortest days in Acquaviva?

December has the shortest days of the year in Acquaviva, with an average of 9h and 0min of daylight.

How many hours of daylight does Acquaviva have in December?

The average day length in December in Acquaviva is 8h and 58min.

What time are sunrise and sunset in December in Acquaviva?

In December, on the first day of the month, sunrise is at 07:25 and sunset at 16:33. On the last day of the month, in Acquaviva, sunrise is at 07:44 and sunset at 16:42 CET.

How many hours of sunshine does Acquaviva have in December?

The average sunshine duration in December is 6h.

What is the UV index intensity in December in Acquaviva?

In December, the average daily maximum UV index in Acquaviva is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Acquaviva, San Marino

Average temperature in December - Acquaviva, San Marino
  • Average high temperature in December: 10.4°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in December: 6.4°C

The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

Average pressure in December
Acquaviva, San Marino

Average pressure in December - Acquaviva, San Marino
  • Average pressure in December: 1018.8mbar

The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).

Average wind speed in December
Acquaviva, San Marino

Average wind speed in December - Acquaviva, San Marino
  • Average wind speed in December: 12km/h

The windiest month (with the highest average wind speed) is February (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in December
Acquaviva, San Marino

Average humidity in December - Acquaviva, San Marino
  • Average humidity in December: 76%

The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is August (61%).

Average rainfall in December
Acquaviva, San Marino

Average rainfall in December - Acquaviva, San Marino
  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is August (30mm).

Average rainfall days in December
Acquaviva, San Marino

Average rainfall days in December - Acquaviva, San Marino
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is August (9.3 days).

Average snowfall in December
Acquaviva, San Marino

Average snowfall in December - Acquaviva, San Marino
  • Average snowfall in December: 2mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Acquaviva, San Marino

Average snowfall days in December - Acquaviva, San Marino
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Acquaviva, San Marino

Average daylight in December / Average sunshine in December - Acquaviva, San Marino
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 6h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in December
Acquaviva, San Marino

Average sunshine days in December - Acquaviva, San Marino
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in December
Acquaviva, San Marino

Average UV index in December - Acquaviva, San Marino
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December
Acquaviva, San Marino

Average cloud cover in December - Acquaviva, San Marino
  • Average cloud cover in December: 36

The months with the most cloud cover are January and February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Acquaviva, San Marino

Average visibility in December - Acquaviva, San Marino
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Acquaviva, San Marino

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