Average Weather in December in Arezzo Italy
Daily high temperatures decrease by 4°F, from 51°F to 47°F, rarely falling below 40°F or exceeding 58°F.
Daily low temperatures decrease by 4°F, from 36°F to 33°F, rarely falling below 23°F or exceeding 46°F.
For reference, on August 4, the hottest day of the year, temperatures in Arezzo typically range from 60°F to 87°F, while on January 31, the coldest day of the year, they range from 32°F to 48°F.
Average High and Low Temperature in December
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in December
The month of December in Arezzo experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 58% throughout the month. The highest chance of overcast or mostly cloudy conditions is 59% on December 6.
The clearest day of the month is December 18, with clear, mostly clear, or partly cloudy conditions 44% of the time.
For reference, on December 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 59%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 82%.
Cloud Cover Categories in December
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Arezzo, the chance of a wet day over the course of December is decreasing, starting the month at 27% and ending it at 22%.
For reference, the year's highest daily chance of a wet day is 31% on November 16, and its lowest chance is 13% on July 16.
Over the course of December in Arezzo, the chance of a day with only rain decreases from 27% to 20%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Arezzo is rapidly decreasing, starting the month at 2.9 inches, when it rarely exceeds 5.5 inches or falls below 0.6 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.7 inches or falls below 0.2 inches.
Average Monthly Rainfall in December
Over the course of December in Arezzo, the length of the day is essentially constant. The shortest day of the month is December 22, with 8 hours, 57 minutes of daylight and the longest day is December 1, with 9 hours, 12 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Arezzo is 7:25 AM on December 1 and the latest sunrise is 20 minutes later at 7:45 AM on December 31.
The earliest sunset is 4:36 PM on December 9 and the latest sunset is 10 minutes later at 4:45 PM on December 31.
Daylight saving time is observed in Arezzo during 2018, but it neither starts nor ends during December, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:31 AM and sets 15 hours, 25 minutes later, at 8:56 PM, while on December 21, the shortest day of the year, it rises at 7:41 AM and sets 8 hours, 57 minutes later, at 4:39 PM.
Sunrise & Sunset with Twilight in December
The chance that a given day will be muggy in Arezzo is essentially constant during December, remaining around 0% throughout.
For reference, on August 7, the muggiest day of the year, there are muggy conditions 15% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in December
The average hourly wind speed in Arezzo is essentially constant during December, remaining within 0.2 miles per hour of 8.3 miles per hour throughout.
For reference, on February 24, the windiest day of the year, the daily average wind speed is 8.9 miles per hour, while on August 11, the calmest day of the year, the daily average wind speed is 6.7 miles per hour.
The lowest daily average wind speed during December is 8.2 miles per hour on December 5.
Average Wind Speed in December
Wind Direction in December
Arezzo is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Arezzo is gradually decreasing during December, falling by 3°F, from 59°F to 56°F, over the course of the month.
Average Water Temperature in December
The growing season in Arezzo typically lasts for 7.3 months (225 days), from around April 1 to around November 11, rarely starting before March 11 or after April 25, and rarely ending before October 23 or after December 3.
The month of December in Arezzo is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season decreasing from 12% to -0% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in December
The average accumulated growing degree days in Arezzo are essentially constant during December, remaining within 8°F of 3,345°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in Arezzo is essentially constant during December, remaining within 0.1 kWh of 1.5 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 1.5 kWh on December 28.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Arezzo are 43.463 deg latitude, 11.881 deg longitude, and 886 ft elevation.
The topography within 2 miles of Arezzo contains significant variations in elevation, with a maximum elevation change of 656 feet and an average elevation above sea level of 885 feet. Within 10 miles contains significant variations in elevation (3,369 feet). Within 50 miles also contains extreme variations in elevation (5,728 feet).
The area within 2 miles of Arezzo is covered by cropland (61%) and artificial surfaces (38%), within 10 miles by trees (52%) and cropland (42%), and within 50 miles by trees (47%) and cropland (45%).
This report illustrates the typical weather in Arezzo year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Arezzo.
For each station, the records are corrected for the elevation difference between that station and Arezzo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Arezzo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Arezzo and a given station.
The stations contributing to this reconstruction are: Arezzo Airfield (97%, 2.5 kilometers, west); Perugia San Francesco d'Assisi – Umbria International Airport (1.1%, 66 kilometers, southeast); Frontone (0.9%, 69 kilometers, east); Forlì Airport (0.7%, 83 kilometers, north); and Federico Fellini International Airport (0.7%, 85 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .