Average Weather in August in Certaldo Italy
Daily high temperatures decrease by 5°F, from 89°F to 84°F, rarely falling below 77°F or exceeding 95°F. The highest daily average high temperature is 89°F on August 5.
Daily low temperatures decrease by 3°F, from 65°F to 61°F, rarely falling below 55°F or exceeding 70°F. The highest daily average low temperature is 65°F on August 7.
For reference, on August 5, the hottest day of the year, temperatures in Certaldo typically range from 65°F to 89°F, while on January 13, the coldest day of the year, they range from 34°F to 50°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
The month of August in Certaldo experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 17% to 28%.
The clearest day of the month is August 1, with clear, mostly clear, or partly cloudy conditions 83% of the time.
For reference, on January 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 54%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 84%.
Cloud Cover Categories in August
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Certaldo, the chance of a wet day over the course of August is rapidly increasing, starting the month at 11% and ending it at 18%.
For reference, the year's highest daily chance of a wet day is 32% on November 16, and its lowest chance is 10% on August 5.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Certaldo is increasing, starting the month at 0.9 inches, when it rarely exceeds 2.1 inches or falls below 0.1 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.5 inches or falls below 0.7 inches.
Average Monthly Rainfall in August
Over the course of August in Certaldo, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 19 minutes, implying an average daily decrease of 2 minutes, 37 seconds, and weekly decrease of 18 minutes, 21 seconds.
The shortest day of the month is August 31, with 13 hours, 15 minutes of daylight and the longest day is August 1, with 14 hours, 34 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Certaldo is 6:04 AM on August 1 and the latest sunrise is 33 minutes later at 6:38 AM on August 31.
The latest sunset is 8:38 PM on August 1 and the earliest sunset is 45 minutes earlier at 7:53 PM on August 31.
Daylight saving time is observed in Certaldo during 2018, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:34 AM and sets 15 hours, 26 minutes later, at 9:00 PM, while on December 21, the shortest day of the year, it rises at 7:45 AM and sets 8 hours, 56 minutes later, at 4:42 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Certaldo is decreasing during August, falling from 27% to 18% over the course of the month.
The highest chance of a muggy day during August is 30% on August 7.
For reference, on August 7, the muggiest day of the year, there are muggy conditions 30% of the time, while on November 18, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
The average hourly wind speed in Certaldo is essentially constant during August, remaining within 0.2 miles per hour of 5.9 miles per hour throughout.
For reference, on February 24, the windiest day of the year, the daily average wind speed is 7.9 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 5.8 miles per hour.
The lowest daily average wind speed during August is 5.8 miles per hour on August 11.
Average Wind Speed in August
Wind Direction in August
Certaldo 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 Certaldo is essentially constant during August, remaining within 1°F of 76°F throughout.
The highest average surface water temperature during August is 77°F on August 11.
Average Water Temperature in August
The growing season in Certaldo typically lasts for 7.9 months (243 days), from around March 21 to around November 19, rarely starting before February 25 or after April 15, and rarely ending before October 30 or after December 11.
The month of August in Certaldo is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in August
The average accumulated growing degree days in Certaldo are rapidly increasing during August, increasing by 742°F, from 2,119°F to 2,860°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Certaldo is decreasing during August, falling by 1.3 kWh, from 7.0 kWh to 5.7 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Certaldo are 43.548 deg latitude, 11.039 deg longitude, and 358 ft elevation.
The topography within 2 miles of Certaldo contains only modest variations in elevation, with a maximum elevation change of 482 feet and an average elevation above sea level of 319 feet. Within 10 miles contains only modest variations in elevation (1,946 feet). Within 50 miles contains very significant variations in elevation (7,119 feet).
The area within 2 miles of Certaldo is covered by cropland (68%) and trees (18%), within 10 miles by cropland (64%) and trees (31%), and within 50 miles by trees (45%) and cropland (36%).
This report illustrates the typical weather in Certaldo 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Certaldo.
For each station, the records are corrected for the elevation difference between that station and Certaldo 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 Certaldo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Certaldo and a given station.
The stations contributing to this reconstruction are: Florence Peretola Airport (49%, 32 kilometers, northeast); Pisa International Airport (23%, 54 kilometers, west); Arezzo Airfield (17%, 66 kilometers, east); and Grosseto Airport (11%, 88 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .