Climate and Average Weather Year Round in Latium ItalyWe show the climate in Latium by comparing the average weather in 3 representative places: Rome, Fiumicino-Isola Sacra, and Guidonia Montecelio. You can add or remove cities to customize the report to your liking. See all locations in Latium. You can drill down to a specific season, month, and even day by clicking the graphs or using the navigation panel. Average High and Low Temperature in Latium
The daily average high and low air temperature at 2 meters above the ground. The thin dotted lines are the corresponding perceived temperatures.
Guidonia Montecelio
frigid
15°F
freezing
32°F
very cold
45°F
cold
55°F
cool
65°F
comfortable
75°F
warm
85°F
hot
95°F
sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
Chance of Clearer Skies in Latium
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).
Daily Chance of Precipitation in Latium
The percentage of days in which precipitation is observed, excluding trace quantities.
Average Monthly Rainfall in Latium
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.
Hours of Daylight in Latium
The number of hours during which the Sun is at least partly above the horizon.
Chance of Muggy Conditions in Latium
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).
Average Wind Speed in Latium
The average of mean hourly wind speeds at 10 meters above the ground.
Average Water Temperature in Latium
The daily average wide-area surface water temperature.
Tourism Score in Latium
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.
Beach/Pool Score in Latium
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.
Growing Season in Latium
The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).
Growing Degree Days in Latium
The average growing degree days accumulated over the course of the year, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).
Average Daily Incident Shortwave Solar Energy in Latium
The average daily shortwave solar energy reaching the ground per square meter.
Data SourcesThis report illustrates the typical weather for Rome, Fiumicino-Isola Sacra, and Guidonia Montecelio year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page: DisclaimerThe information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Please review our full terms contained on our Terms of Service page. Other LocationsMajor Places
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