December weather forecastStio, Italy

December

Weather in December

December, the first month of the winter in Stio, is still a refreshing month, with an average temperature varying between 11°C (51.8°F) and 13.5°C (56.3°F).

Temperature

In Stio, the average high-temperature in December gently drops from 17.4°C (63.3°F) in November to a still refreshing 13.5°C (56.3°F). Stio, during December nights, experiences a subtle shift to a low average of 11°C (51.8°F) from the day's heat.

Humidity

In December, the average relative humidity is 68%.

Rainfall

In December, the rain falls for 11.5 days. Throughout December, 48mm (1.89") of precipitation is accumulated. Throughout the year, there are 123.6 rainfall days, and 446mm (17.56") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 07:02 and sunset at 16:33. On the last day of December, in Stio, sunrise is at 07:21 and sunset at 16:42 CET.

Sunshine

In Stio, the average sunshine in December is 6.5h.

UV index

In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 4 during December morphs into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

The average high-temperature, in December, in Stio, is 13.5°C (56.3°F), while the average low-temperature is 11°C (51.8°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 29°C (84.2°F).

In Stio, the average relative humidity in December is 68%.

In Stio, in December, it is raining for 11.5 days, with typically 48mm (1.89") of accumulated precipitation.

December has the shortest days of the year, with an average of 9h and 24min of daylight.

The average day length in December is 9h and 22min.

In December, on the first day of the month, sunrise is at 07:02 and sunset at 16:33. On the last day of the month, in Stio, sunrise is at 07:21 and sunset at 16:42 CET.

The average sunshine duration in December is 6.5h.

In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Stio, Italy

  • Average high temperature in December: 13.5°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in December: 11°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is February (9.4°C).

Average pressure in December
Stio, Italy

  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in December
Stio, Italy

  • Average wind speed in December: 13.9km/h

The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).

Average humidity in December
Stio, Italy

  • Average humidity in December: 68%

The month with the highest relative humidity is April (73%).
The months with the lowest relative humidity are August and September (67%).

Average rainfall in December
Stio, Italy

  • Average rainfall in December: 48mm

The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in December
Stio, Italy

  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (4.3 days).

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

  • Average daylight in December: 9h and 24min

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

  • Average sunshine in December: 6h and 30min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in December
Stio, Italy

  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (13.5 days).

Average UV index in December
Stio, Italy

  • Average UV index in December: 4

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in December
Stio, Italy

  • Average cloud cover in December: 29

The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in December
Stio, Italy

  • 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).