Average Weather in December in Passirano Italy
Daily high temperatures decrease by 4°F, from 47°F to 42°F, rarely falling below 35°F or exceeding 53°F.
Daily low temperatures decrease by 5°F, from 36°F to 31°F, rarely falling below 23°F or exceeding 45°F.
For reference, on July 26, the hottest day of the year, temperatures in Passirano typically range from 66°F to 84°F, while on January 11, the coldest day of the year, they range from 31°F to 42°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 Passirano experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 49% throughout the month.
The clearest day of the month is December 21, with clear, mostly clear, or partly cloudy conditions 53% of the time.
For reference, on May 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 54%, while on July 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.
Cloud Cover Categories in December
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Passirano, the chance of a wet day over the course of December is gradually decreasing, starting the month at 21% and ending it at 19%.
For reference, the year's highest daily chance of a wet day is 35% on June 3, and its lowest chance is 14% on January 30.
Over the course of December in Passirano, the chance of a day with only rain decreases from 21% to 16%, 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 1% throughout.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Passirano is decreasing, starting the month at 2.6 inches, when it rarely exceeds 5.4 inches or falls below 0.3 inches, and ending the month at 1.6 inches, when it rarely exceeds 3.5 inches or falls below 0.1 inches.
Average Monthly Rainfall in December
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during December in Passirano is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.5 inches or falling to 0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in December
Over the course of December in Passirano, the length of the day is essentially constant. The shortest day of the month is December 22, with 8 hours, 41 minutes of daylight and the longest day is December 1, with 8 hours, 58 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Passirano is 7:39 AM on December 1 and the latest sunrise is 21 minutes later at 8:00 AM on December 31.
The earliest sunset is 4:35 PM on December 10 and the latest sunset is 10 minutes later at 4:45 PM on December 31.
Daylight saving time is observed in Passirano 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 5:30 AM and sets 15 hours, 42 minutes later, at 9:12 PM, while on December 21, the shortest day of the year, it rises at 7:56 AM and sets 8 hours, 41 minutes later, at 4:38 PM.
Sunrise & Sunset with Twilight in December
The chance that a given day will be muggy in Passirano is essentially constant during December, remaining around 0% throughout.
For reference, on July 27, the muggiest day of the year, there are muggy conditions 35% 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 Passirano is essentially constant during December, remaining within 0.1 miles per hour of 4.5 miles per hour throughout.
For reference, on April 13, the windiest day of the year, the daily average wind speed is 5.5 miles per hour, while on August 7, the calmest day of the year, the daily average wind speed is 4.4 miles per hour.
The lowest daily average wind speed during December is 4.5 miles per hour on December 18.
Average Wind Speed in December
Wind Direction in December
The growing season in Passirano typically lasts for 8.4 months (259 days), from around March 11 to around November 25, rarely starting before February 16 or after April 4, and rarely ending before November 3 or after December 17.
The month of December in Passirano is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly decreasing from 36% to 1% 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 Passirano are essentially constant during December, remaining within 1°F of 3,504°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in Passirano 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 1.4 kWh on December 16.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Passirano are 45.597 deg latitude, 10.070 deg longitude, and 646 ft elevation.
The topography within 2 miles of Passirano contains significant variations in elevation, with a maximum elevation change of 745 feet and an average elevation above sea level of 673 feet. Within 10 miles contains significant variations in elevation (4,163 feet). Within 50 miles also contains extreme variations in elevation (11,942 feet).
The area within 2 miles of Passirano is covered by cropland (70%), artificial surfaces (19%), and trees (11%), within 10 miles by cropland (47%) and trees (28%), and within 50 miles by cropland (45%) and trees (30%).
This report illustrates the typical weather in Passirano 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Passirano.
For each station, the records are corrected for the elevation difference between that station and Passirano 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 Passirano is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Passirano and a given station.
The stations contributing to this reconstruction are: Brescia / Ghedi (54%, 24 kilometers, southeast); Il Caravaggio International Airport (43%, 30 kilometers, west); and Paganella (meteorological station) (2.2%, 97 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .