Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's comfortable 18.2°C (64.8°F) to a moderate 14.5°C (58.1°F). Aci Castello's nocturnal average in December closely mirrors its daytime temperatures, settling at a frosty 9.7°C (49.5°F).Humidity
In December, the average relative humidity is 73%.Rainfall
In Aci Castello, in December, it is raining for 6.6 days, with typically 15mm (0.59") of accumulated precipitation. In Aci Castello, during the entire year, the rain falls for 92.2 days and collects up to 278mm (10.94") of precipitation.Snowfall
In Aci Castello, Italy, snow does not fall in February through December.Daylight
December has the shortest days of the year in Aci Castello, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 06:55 and sunset at 16:41. On the last day of December, sunrise is at 07:14 and sunset at 16:51 CET.
Sunshine
In Aci Castello, the average sunshine in December is 6.9h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during December translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Aci Castello?
What is the average humidity in December in Aci Castello?
How many days does it rain in December in Aci Castello?
When it does not snow in Aci Castello?
Does it snow in Aci Castello in December?
What is the month with the shortest days in Aci Castello?
How many hours of daylight does Aci Castello have in December?
What time are sunrise and sunset in December in Aci Castello?
How many hours of sunshine does Aci Castello have in December?
When is the lowest UV index in Aci Castello?
What is the UV index reading in December in Aci Castello?
Average temperature in December
Aci Castello, Italy
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (13.1°C).
- Average low temperature in December: 9.7°C
The month with the highest average low temperature is August (23.5°C).
The coldest months (with the lowest average low temperature) are January and February (7.9°C).
Average pressure in December
Aci Castello, Italy
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).
Average wind speed in December
Aci Castello, Italy
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is February (13.5km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in December
Aci Castello, Italy
- Average humidity in December: 73%
The month with the highest relative humidity is November (75%).
The month with the lowest relative humidity is July (57%).
Average rainfall in December
Aci Castello, Italy
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in December
Aci Castello, Italy
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is October (12.2 days).
The month with the least rainy days is July (3.6 days).
Average snowfall in December
Aci Castello, Italy
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Aci Castello, Italy
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Aci Castello, Italy
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in December
Aci Castello, Italy
- Average sunshine days in December: 23 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is October (16.6 days).
Average UV index in December
Aci Castello, Italy
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in December
Aci Castello, Italy
- Average cloud cover in December: 21
The month with the most cloud cover is January (Cloud cover 27).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in December
Aci Castello, 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).
Aci Castello, Italy
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