Climate of Trieste

Trieste has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Trieste is 16° degrees and there is about 893 mm of rain in a year. It is dry for 157 days a year with an average humidity of 76% and an UV-index of 4.

Climate averages for the whole year

Day: the average daily temperature during the day is between 6°C and 27°C
Night:the average nighttime temperature is between 1°C and 18°C
Sea temperature: the sea temperature is between 7°C and 29°C
Rain: it rains 173 days and there is a total of approximately 895 mm rainfall
Snow: it snows an average of 4 days per year
Sun hours: throughout the year there are 3076 sun hours

Maximum temperature:	between 6°C and 27°C
Warmest month:	27°C in August
Coldest month:	6°C in January
Night temperature:	between 1°C and 18°C
Sea temperature:	between 7°C and 29°C
Dry days:	188 days
Days with rain:	173 days
Days with snow:	4 days
Total rain sum:	895 mm
Hours of sunshine:	3076 hours

Climate of Trieste
Temperature graph
Precipitation graph
Climate chart of Trieste
The best travel time for Trieste
Climate of Trieste by month
Experiences with the weather of Trieste

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Trieste.

Precipitation graph

This graph shows the average amount of rainfall per month for Trieste.

Climate table of Trieste

In this climate table you can see at a glance what the average weather per month is for Trieste. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Trieste might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	6	7	11	16	20	24	26	27	22	17	12	7
Night temp. (°C)	1	2	5	8	11	15	17	18	14	10	7	3
Water temp. (°C)	7	10	14	17	22	26	28	29	26	20	16	12
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	57	84	68	51	79	92	67	61	97	71	102	66
Days with rain	11	12	13	16	21	18	16	12	14	13	15	12
Days with snow	1	1	1	-	-	-	-	-	-	-	-	1
Dry days	19	15	17	14	10	12	15	19	16	18	15	18
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	5	5	7	10	11	12	12	12	10	6	5	5
Wind force (Bft)	2	3	2	2	2	2	2	2	2	2	2	2
UV-index	2	3	3	4	5	6	6	5	4	3	3	2

Best time to visit Trieste

The best time to visit Trieste in Italy is from May through September. In this period you have a warm temperature and little precipitation. The highest average temperature in Trieste is 27°C in August and the lowest is 6°C in January. The highest water temperature is 29°C and at its coldest the water is 7°C.

Climate of Trieste by month

What is the average climate in a given month for Trieste? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January