Climate in Friuli Venezia Giulia

Average daytime and nighttime temperatures

All climate diagrams on this site result from the collected data from five measuring weather stations in Friuli Venezia Giulia.
Weather stations at an altitude above 1230m have not been included.
All data correspond to the average monthly values of the last 20 years.

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Friuli Venezia Giulia is one of the coldest regions in Italy with an average daily high temperature of only 17 degrees. The climate widely corresponds to Central European weather conditions. It is cold, wet and a few beautiful summer months are also happening during a year. A beach holiday can be enjoyed in the warmer season with water temperatures of up to 25 degrees. Due to the warmer temperatures, the best time for traveling is from June to September. Less attractive are the cold months from November to March. The days with heavy rain and large amounts of precipitation are from February to March.
Overview: Climate in Italy
Daylengths and sun positions in Italy
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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 9 hours per day, July is the sunniest month in the region of Friuli Venezia Giulia. 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, May offers the most rain days, while March 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 1.4 mm, the least amount of rain falls in January. February, on the other hand, has the most rain.
Water temperatures in °C
Water temperature depends not only on solar radiation within the same region, but also on ocean currents. For example, depending on the season, cold or warm water masses are moved from other areas. The warmest water temperatures in Friuli Venezia Giulia are in August, when the water is 25 °C.
Relative humidity in %
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture can be physically contained in the air. At high humidity, a person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% feels pleasant. With only 61% humidity on average, it is quite dry in March. The highest value of 69% is experienced here in October.
Absolute humidity in g/m³
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy.
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity, the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Map of Friuli Venezia Giulia

Most important cities in the region »Friuli Venezia Giulia«

The region has a west-east extension of about 100 km and over 90 km from north to south.

CityPopulationGeo position
Trieste201,11145° 38' 36"N13° 47' 25"E
Udine97,76146° 3' 49"N13° 14' 40"E
Pordenone49,87845° 57' 25"N12° 39' 38"E
Gorizia34,64645° 56' 27"N13° 37' 18"E
Monfalcone26,70645° 48' 2"N13° 32' 16"E
Sacile16,62645° 57' 15"N12° 30' 10"E
Cordenons15,96245° 59' 1"N12° 42' 1"E
Rosa13,44345° 55' 50"N12° 52' 15"E
Porcia12,98745° 57' 47"N12° 36' 59"E
Codroipo12,81145° 57' 53"N12° 58' 47"E
San Vito al Tagliamento12,59945° 55' 0"N12° 51' 34"E
Azzano Decimo12,32045° 54' 34"N12° 39' 51"E
Cervignano del Friuli12,27545° 49' 15"N13° 20' 21"E
Ronchi dei Legionari11,90245° 49' 38"N13° 30' 15"E
Tavagnacco11,63846° 6' 35"N13° 13' 21"E
Gemona11,14146° 16' 27"N13° 7' 21"E
Muggia10,92945° 36' 15"N13° 46' 3"E
Maniago10,39546° 9' 59"N12° 42' 22"E
Spilimbergo9,42246° 6' 48"N12° 53' 33"E
Fiume Veneto9,31345° 55' 43"N12° 44' 17"E
Cividale del Friuli9,29046° 5' 25"N13° 25' 43"E
Latisana8,89645° 46' 7"N13° 0' 22"E
Casarsa della Delizia8,32045° 57' 3"N12° 50' 33"E
Vigonovo-Fontanafredda8,28345° 59' 21"N12° 32' 49"E
Aviano8,22546° 4' 14"N12° 35' 41"E
Tolmezzo8,07846° 23' 60"N13° 1' 14"E
Villa Opicina8,00945° 41' 16"N13° 47' 19"E
Staranzano6,80345° 48' 8"N13° 30' 8"E
Grado6,76745° 40' 40"N13° 24' 12"E
San Daniele del Friuli6,70046° 9' 26"N13° 0' 26"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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