Climate in Lazio

Average daytime and nighttime temperatures

All climate diagrams on this site result from the collected data from five measuring weather stations in Lazio.
All data correspond to the average monthly values of the last 20 years.

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Lazio is one of the warmest regions in Italy with an average daily high temperature of 21 degrees. Due to the warmer temperatures, the best time for traveling is from July to August. Less attractive are the cold months from November to April. The days with heavy rain and large amounts of precipitation are from April to July.
Overview: Climate in Italy
Daylengths and sun positions in Italy
Compare climate with other regions or countries
Sunshine hours per day
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 11 hours per day, July is the sunniest month in the region of Lazio. In December, the sun shines the least.
Rain days per month
A rain day is a day on which at least 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 10 rain days, November offers the most rain days, while July has the fewest.
Precipitation amount in mm/day
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 0.7 mm, the least amount of rain falls in August. March, on the other hand, has the most rain.
Map of Lazio

Most important cities in the region »Lazio«

As the capital region, it is arguably the most important part of Italy. The region has a west-east extension of about 190 km and over 170 km from north to south.

CityPopulationGeo position
Rome2,789,25941° 53' 31"N12° 30' 41"E
Acilia-Castel Fusano-Ostia Antica129,36241° 45' 48"N12° 19' 51"E
Latina127,29841° 27' 58"N12° 54' 15"E
Lido di Ostia79,40041° 43' 56"N12° 16' 36"E
Guidonia Montecelio67,51641° 59' 37"N12° 43' 21"E
Velletri48,44341° 40' 4"N12° 46' 52"E
Civitavecchia47,54342° 5' 36"N11° 47' 48"E
Viterbo47,13442° 25' 24"N12° 6' 41"E
Anzio45,40341° 29' 6"N12° 37' 8"E
Nettuno44,75641° 27' 29"N12° 39' 50"E
Frosinone44,50541° 38' 15"N13° 20' 7"E
Aprilia41,09441° 35' 17"N12° 39' 26"E
Rieti39,06842° 24' 36"N12° 52' 13"E
Marino38,01341° 45' 49"N12° 37' 51"E
Monterotondo37,22542° 4' 42"N12° 35' 47"E
Ciampino35,17441° 47' 57"N12° 36' 26"E
Fiumicino-Isola Sacra34,55641° 46' 3"N12° 13' 45"E
Ladispoli34,20441° 57' 19"N12° 4' 44"E
Terracina30,98041° 17' 30"N13° 14' 37"E
Formia28,52141° 15' 41"N13° 38' 29"E
Cisterna di Latina27,36241° 35' 27"N12° 49' 41"E
Albano Laziale26,68441° 43' 30"N12° 38' 2"E
Fondi26,63441° 21' 10"N13° 25' 56"E
Sora23,75841° 42' 46"N13° 36' 9"E
Pomezia22,34641° 39' 49"N12° 30' 1"E
Tivoli22,01841° 57' 28"N12° 48' 11"E
Cassino21,07441° 29' 9"N13° 49' 42"E
Guidonia20,94341° 59' 32"N12° 43' 8"E
Tor Lupara20,84341° 59' 52"N12° 37' 5"E
Colleferro20,73641° 43' 43"N13° 0' 11"E

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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