December weather forecast
Vatican City, Vatican City

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The famous artistic St. Peter
The famous artistic St. Peter's Square in the Vatican, with the rest of the Vatican City in Rome, Italy

Weather in December

Concluding the year, December brings Vatican City back to the frigid grasp of winter. Temperatures continue to steadily decline, averaging from 7.3°C (45.1°F) to 13°C (55.4°F). Rainfall drops from November's peak, coming down to 54mm (2.13") spread across roughly 12 days. The city averages 9.2 hours of daylight, the shortest of the year, accompanied by a 3-level UV index. Despite the winter cold, the December weather creates a unique, near-mystical experience of the Christmas mass at St. Peter's Square.

Temperature

Vatican City's progression into December involves a gentle drop in the average high-temperature, from a refreshing 17.2°C (63°F) in November to a mild 13°C (55.4°F). An average low-temperature of 7.3°C (45.1°F) is noted during the month of December.

Humidity

The average relative humidity in December is 72%.

Rainfall

In Vatican City, Vatican City, in December, it is raining for 12.4 days, with typically 54mm (2.13") of accumulated precipitation. In Vatican City, during the entire year, the rain falls for 132.8 days and collects up to 561mm (22.09") of precipitation.

Snowfall

January, March through December are months without snowfall in Vatican City.

Daylight

The month with the shortest days in Vatican City is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 07:18 and sunset at 16:40. On the last day of December, in Vatican City, Vatican City, sunrise is at 07:37 and sunset at 16:49 CET.

Sunshine

In Vatican City, the average sunshine in December is 6.3h.

UV index

The months with the lowest UV index in Vatican City are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the usual temperature for Vatican City in December?

In December, the average high-temperature and low-temperature in Vatican City are 13°C (55.4°F) and 7.3°C (45.1°F) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 34°C (93.2°F).

What is the average humidity in December in Vatican City?

In Vatican City, Vatican City, the average relative humidity in December is 72%.

How many days does it rain in December in Vatican City?

In Vatican City, Vatican City, in December, it is raining for 12.4 days, with typically 54mm (2.13") of accumulated precipitation.

When it does not snow in Vatican City?

In Vatican City, Vatican City, snow does not fall in January, March through December.

What is the month with the shortest days in Vatican City?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Vatican City, Vatican City.

What is the average length of the day in December in Vatican City?

The average day length in December in Vatican City, Vatican City, is 9h and 11min.

When is the sunrise / sunset in December in Vatican City?

In December, on the first day of the month, sunrise is at 07:18 and sunset at 16:40. On the last day of the month, in Vatican City, Vatican City, sunrise is at 07:37 and sunset at 16:49 CET.

How long on average sun shines in December in Vatican City?

In December, the average sunshine duration in Vatican City is 6.3h.

When is the lowest UV index in Vatican City?

The months with the lowest UV index in Vatican City are January, February and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Vatican City?

In December, the average daily maximum UV index in Vatican City, Vatican City, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Vatican City, Vatican City

Average temperature in December - Vatican City, Vatican City
  • Average high temperature in December: 13°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in December: 7.3°C

The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (6.2°C).

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Average pressure in December
Vatican City, Vatican City

Average pressure in December - Vatican City, Vatican City
  • Average pressure in December: 1018.5mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

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Average wind speed in December
Vatican City, Vatican City

Average wind speed in December - Vatican City, Vatican City
  • Average wind speed in December: 11.9km/h

The windiest month (with the highest average wind speed) is February (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

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Average humidity in December
Vatican City, Vatican City

Average humidity in December - Vatican City, Vatican City
  • Average humidity in December: 72%

The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in December
Vatican City, Vatican City

Average rainfall in December - Vatican City, Vatican City
  • Average rainfall in December: 54mm

The wettest month (with the highest rainfall) is November (113mm).
The driest month (with the least rainfall) is August (12mm).

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Average rainfall days in December
Vatican City, Vatican City

Average rainfall days in December - Vatican City, Vatican City
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is November (14.6 days).
The month with the least rainy days is August (5.1 days).

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Average snowfall in December
Vatican City, Vatican City

Average snowfall in December - Vatican City, Vatican City
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in December
Vatican City, Vatican City

Average snowfall days in December - Vatican City, Vatican City
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Vatican City, Vatican City

Average daylight in December / Average sunshine in December - Vatican City, Vatican City
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 6h and 2min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

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Average sunshine days in December
Vatican City, Vatican City

Average sunshine days in December - Vatican City, Vatican City
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in December
Vatican City, Vatican City

Average UV index in December - Vatican City, Vatican City
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in December
Vatican City, Vatican City

Average cloud cover in December - Vatican City, Vatican City
  • Average cloud cover in December: 31

The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in December
Vatican City, Vatican City

Average visibility in December - Vatican City, Vatican City
  • 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).

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Vatican City, Vatican City

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