December weather forecastCasatisma, Italy

December

Weather in December

The first month of the winter, December, is still a chilly month in Casatisma, Italy, with an average temperature fluctuating between 1.7°C (35.1°F) and 7.2°C (45°F).

Temperature

In Casatisma, the average high-temperature in December slightly decreases from a fresh 11.5°C (52.7°F) in November to a frosty 7.2°C (45°F). Casatisma, during the nights of December, experiences an average temperature drop to an icy 1.7°C (35.1°F).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Casatisma, in December, it is raining for 8.8 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 153.7 rainfall days, and 705mm (27.76") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In December, in Casatisma, it is snowing for 2.7 days. Throughout December, 60mm (2.36") of snow is accumulated. In Casatisma, Italy, during the entire year, snow falls for 13.7 days and aggregates up to 351mm (13.82") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 07:42 and sunset at 16:43. On the last day of the month, sunrise is at 08:01 and sunset at 16:51 CET.

Sunshine

In Casatisma, the average sunshine in December is 5.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

During December, Casatisma experiences an average high-temperature of 7.2°C (45°F) and a low-temperature of 1.7°C (35.1°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 33°C (91.4°F).

In Casatisma, the average relative humidity in December is 82%.

In Casatisma, in December, it is raining for 8.8 days, with typically 44mm (1.73") of accumulated precipitation.

In Casatisma, Italy, in December, snow falls for 2.7 days, with typically accumulated 60mm (2.36") of snow.

The month with the shortest days in Casatisma is December, with an average of 8h and 48min of daylight.

In Casatisma, Italy, the average day length in December is 8h and 50min.

On the first day of December, sunrise is at 07:42 and sunset at 16:43. On the last day of the month, sunrise is at 08:01 and sunset at 16:51 CET.

In December, the average sunshine duration is 5.8h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Casatisma, Italy.

In Casatisma, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Casatisma, Italy

  • Average high temperature in December: 7.2°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in December: 1.7°C

The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

Average pressure in December
Casatisma, Italy

  • Average pressure in December: 1019.3mbar

The month with the highest atmospheric pressure is December (1019.3mbar).
The months with the lowest atmospheric pressure are April and May (1014.2mbar).

Average wind speed in December
Casatisma, Italy

  • Average wind speed in December: 4.9km/h

The windiest month (with the highest average wind speed) is March (7.3km/h).
The calmest month (with the lowest average wind speed) is December (4.9km/h).

Average humidity in December
Casatisma, Italy

  • Average humidity in December: 82%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Casatisma, Italy

  • Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is November (104mm).
The driest month (with the least rainfall) is September (37mm).

Average rainfall days in December
Casatisma, Italy

  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Casatisma, Italy

  • Average snowfall in December: 60mm

The month with the highest snowfall is January (126mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Casatisma, Italy

  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Casatisma, Italy

  • Average daylight in December: 8h and 48min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 5h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).

Average sunshine days in December
Casatisma, Italy

  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is December (18.1 days).
The month with the least sunshine days is May (8.4 days).

Average UV index in December
Casatisma, Italy

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Casatisma, Italy

  • Average cloud cover in December: 38

The month with the most cloud cover is November (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in December
Casatisma, Italy

  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is November (7km).