Average Weather in January in Castiglion Fiorentino Italy
Daily high temperatures are around 48°F, rarely falling below 40°F or exceeding 56°F. The lowest daily average high temperature is 47°F on January 10.
Daily low temperatures are around 33°F, rarely falling below 23°F or exceeding 43°F. The lowest daily average low temperature is 32°F on January 31.
For reference, on August 4, the hottest day of the year, temperatures in Castiglion Fiorentino typically range from 61°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 January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in Castiglion Fiorentino experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 56% throughout the month. The highest chance of overcast or mostly cloudy conditions is 58% on January 16.
The clearest day of the month is January 30, with clear, mostly clear, or partly cloudy conditions 47% of the time.
For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 58%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 83%.
Cloud Cover Categories in January
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Castiglion Fiorentino, the chance of a wet day over the course of January is essentially constant, remaining around 21% throughout.
For reference, the year's highest daily chance of a wet day is 31% on November 16, and its lowest chance is 12% on August 4.
Over the course of January in Castiglion Fiorentino, the chance of a day with only rain remains an essentially constant 20% throughout, 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 January
The average sliding 31-day rainfall during January in Castiglion Fiorentino is essentially constant, remaining about 1.7 inches throughout, and rarely exceeding 3.7 inches or falling below 0.2 inches.
The lowest average 31-day accumulation is 1.6 inches on January 20.
Average Monthly Rainfall in January
Over the course of January in Castiglion Fiorentino, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 51 minutes, implying an average daily increase of 1 minute, 42 seconds, and weekly increase of 11 minutes, 52 seconds.
The shortest day of the month is January 1, with 9 hours, 2 minutes of daylight and the longest day is January 31, with 9 hours, 53 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Castiglion Fiorentino is 7:44 AM on January 3 and the earliest sunrise is 15 minutes earlier at 7:29 AM on January 31.
The earliest sunset is 4:47 PM on January 1 and the latest sunset is 35 minutes later at 5:22 PM on January 31.
Daylight saving time is observed in Castiglion Fiorentino during 2018, but it neither starts nor ends during January, 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, 24 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, 58 minutes later, at 4:39 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Castiglion Fiorentino is essentially constant during January, remaining around 0% throughout.
For reference, on August 7, the muggiest day of the year, there are muggy conditions 13% 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 January
The average hourly wind speed in Castiglion Fiorentino is essentially constant during January, remaining within 0.2 miles per hour of 8.4 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 6.6 miles per hour.
Average Wind Speed in January
Wind Direction in January
Castiglion Fiorentino 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 Castiglion Fiorentino is gradually decreasing during January, falling by 3°F, from 56°F to 53°F, over the course of the month.
Average Water Temperature in January
The growing season in Castiglion Fiorentino typically lasts for 7.5 months (230 days), from around March 28 to around November 13, rarely starting before March 5 or after April 22, and rarely ending before October 25 or after December 5.
The month of January in Castiglion Fiorentino is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Castiglion Fiorentino are essentially constant during January, remaining within 4°F of 4°F throughout.
Growing Degree Days in January
The average daily incident shortwave solar energy in Castiglion Fiorentino is gradually increasing during January, rising by 0.6 kWh, from 1.5 kWh to 2.1 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Castiglion Fiorentino are 43.343 deg latitude, 11.920 deg longitude, and 928 ft elevation.
The topography within 2 miles of Castiglion Fiorentino contains very significant variations in elevation, with a maximum elevation change of 1,667 feet and an average elevation above sea level of 1,029 feet. Within 10 miles contains very significant variations in elevation (2,772 feet). Within 50 miles contains large variations in elevation (5,581 feet).
The area within 2 miles of Castiglion Fiorentino is covered by cropland (74%) and trees (14%), within 10 miles by cropland (58%) and trees (38%), and within 50 miles by trees (47%) and cropland (45%).
This report illustrates the typical weather in Castiglion Fiorentino 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 Castiglion Fiorentino.
For each station, the records are corrected for the elevation difference between that station and Castiglion Fiorentino 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 Castiglion Fiorentino is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Castiglion Fiorentino and a given station.
The stations contributing to this reconstruction are: Arezzo Airfield (77%, 15 kilometers, north); Perugia San Francesco d'Assisi – Umbria International Airport (11%, 55 kilometers, southeast); Frontone (7%, 69 kilometers, east); and Grosseto Airport (4.7%, 95 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .