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Average Weather at Venice Marco Polo Airport Italy

At Venice Marco Polo Airport, the temperature typically varies from 32°F to 83°F over the course of the year, and is rarely below 25°F or above 90°F.

The warm season lasts for 3.2 months, from June 6 to September 13, with an average daily high temperature above 75°F. The hottest day of the year is August 3, with an average high of 83°F and low of 67°F.

The cool season lasts for 3.5 months, from November 22 to March 6, with an average daily high temperature below 52°F. The coldest day of the year is January 14, with an average low of 32°F and high of 44°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature with percentile bands, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecchillychillycoldcoldcoolcoolcomfortablecomfortablewarmwarm
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Sun

The length of the day at Venice Marco Polo Airport varies significantly over the course of the year. In 2017, the shortest day is December 21, with 8 hours, 42 minutes of daylight; the longest day is June 21, with 15 hours, 41 minutes of daylight.

Hours of Daylight and Twilight

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise is at 5:21 AM on June 16, and the latest sunrise is 2 hours, 30 minutes later at 7:50 AM on January 1. The earliest sunset is at 4:27 PM on December 10, and the latest sunset is 4 hours, 36 minutes later at 9:03 PM on June 26.

Daylight saving time (DST) is observed at Venice Marco Polo Airport during 2017, starting in the spring on March 26, lasting 7.1 months, and ending in the fall on October 29.

Sunrise & Sunset with Twilight and Daylight Saving Time

The solar day over the course of the year 2017. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Clouds

At Venice Marco Polo Airport, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year at Venice Marco Polo Airport begins around June 17 and lasts for 3.1 months, ending around September 21. On July 31, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 74% of the time, and overcast or mostly cloudy 26% of the time.

The cloudier part of the year begins around September 21 and lasts for 8.9 months, ending around June 17. On November 19, the cloudiest day of the year, the sky is overcast or mostly cloudy 54% of the time, and clear, mostly clear, or partly cloudy 46% of the time.

Cloud Cover

clearerclearercloudiercloudiercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecNov 1954%Nov 1954%Jul 3126%Jul 3126%Jun 1740%Jun 1740%Sep 2140%Sep 2140%overcastovercastmostly cloudymostly cloudypartly cloudypartly cloudymostly clearmostly clearclearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Venice Marco Polo Airport varies throughout the year.

The wetter season lasts 7.8 months, from March 28 to November 22, with a greater than 24% chance of a given day being a wet day. The chance of a wet day peaks at 32% on June 4.

The drier season lasts 4.2 months, from November 22 to March 28. The smallest chance of a wet day is 15% on January 21.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 32% on June 4.

Daily Chance of Precipitation

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day in the year. Venice Marco Polo Airport experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year at Venice Marco Polo Airport. The most rain falls during the 31 days centered around November 5, with an average total accumulation of 3.1 inches.

The least rain falls around January 19, with and average total accumulation of 1.5 inches.

Average Monthly Rainfall

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Venice Marco Polo Airport experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.6 months, from June 2 to September 20, during which time the comfort level is muggy, oppressive, or miserable at least 12% of the time. The muggiest day of the year is August 5, with muggy conditions 49% of the time.

The least muggy day of the year is February 25, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

muggymuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecFeb 250%Feb 250%Aug 549%Aug 549%Jun 213%Jun 213%Sep 2012%Sep 2012%oppressiveoppressivemuggymuggycomfortablecomfortabledrydry
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Venice Marco Polo Airport does not vary significantly over the course of the year, remaining within 0.4 miles per hour of 3.6 miles per hour throughout.

Average Wind Speed

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction at Venice Marco Polo Airport varies throughout the year.

The wind is most often from the south for 1.6 months, from June 3 to July 22, with a peak percentage of 41% on July 6. The wind is most often from the east for 10 months, from July 22 to June 3, with a peak percentage of 50% on March 1.

Wind Direction

EESSEE0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestwestsouthsoutheasteastnorthnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Water Temperature

Venice Marco Polo Airport 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 water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.1 months, from June 16 to September 18, with an average temperature above 72°F. The day of the year with the warmest water is August 4, with an average temperature of 78°F.

The time of year with cooler water lasts for 3.7 months, from December 18 to April 9, with an average temperature below 54°F. The day of the year with the coolest water is February 16, with an average temperature of 48°F.

Average Water Temperature

The daily average water temperature (purple line) with percentile bands, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences very significant seasonal variation over the course of the year.

The brighter period of the year lasts for 3.4 months, from May 6 to August 18, with an average daily incident shortwave energy per square meter above 5.8 kWh. The brightest day of the year is July 8, with an average of 6.9 kWh.

The darker period of the year lasts for 3.5 months, from October 29 to February 13, with an average daily incident shortwave energy per square meter below 2.4 kWh. The darkest day of the year is December 28, with an average of 1.3 kWh.

Average Daily Incident Shortwave Solar Energy

The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Venice Marco Polo Airport are 45.505 deg latitude, 12.341 deg longitude, and 0 ft elevation (map ).

The topography within 2 miles of Venice Marco Polo Airport is essentially flat, with a maximum elevation change of 66 feet, and an average elevation above sea level of -4 feet. Within 10 miles contains only modest variations in elevation (226 feet). Within 50 miles contains extreme variations in elevation (8,294 feet).

The area within 2 miles of Venice Marco Polo Airport is covered by cropland (49%), water (26%), and artificial surfaces (17%), within 10 miles by cropland (46%) and water (35%), and within 50 miles by cropland (48%) and water (31%).

Data Sources

This report illustrates the typical weather at Venice Marco Polo Airport, 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

Venice Marco Polo Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Treviso Airport, Istrana, Aviano Airport, Aviano Usaf, Vicenza Airport, Udine / Rivolto, Passo Rolle, and Trieste – Friuli Venezia Giulia Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .