Weather in Trieste

Calculated from weather data of Trieste (LIVT) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	9.4	9.6	10.0	9.8	8.6	11.4
February	10.5	12.6	9.5	11.6	10.1	11.8
March	13.8	15.1	14.0	12.8	13.4	13.3
April	17.6	18.6	16.1	16.1	14.9	19.0
May	21.6		22.3	23.5	19.8	21.8
June	27.5		26.6	28.6	27.8	24.6
July	29.3		29.3	31.5	29.6	28.0
August	29.6		28.8	29.8	28.5	28.8
September	24.7		26.6	23.8	25.6	25.5
October	20.2		22.1	21.5	18.8	18.3
November	14.7		15.0	15.1	14.1	14.5
December	10.6		12.3	9.6	10.0	10.5
Average	18.6	14.0	19.4	20.1	18.8	18.9

66th highest temperature of Italy

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	4.6	5	6	5	4	6
February	5.5	8	4	6	6	7
March	7.6	10	8	7	7	7
April	10.6	11	9	10	10	10
May	15.2		16	19	14	14
June	20.8		20	24	23	18
July	21.7		22	25	24	20
August	21.9		22	23	21	22
September	17.8		20	17	19	18
October	14.1		16	16	13	13
November	10.0		9	10	10	9
December	6.2		7	6	6	7
Average	12.5	8.2	13.4	14.3	13.3	12.6

75th lowest temperature of Italy

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	25	29	29	18
25 °C or warmer	3	110	90	97	85
20 °C or warmer	10	164	146	144	157
0 °C or colder	0	2	0	3	0

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.2	6	8	6	7	4
February	7.0	8	1	6	11	5
March	5.6	4	5	4	2	8
April	5.5	2	5	6	8	2
May	6.5		7	2	11	2
June	2.8		3	4	1	6
July	1.1		1	1	1	1
August	1.1		2	1	2	2
September	4.1		0	1	3	4
October	4.3		5	1	4	7
November	9.8		7	7	8	4
December	11.0		4	10	9	14
Average	4.9	4.5	3.7	3.3	5.1	4.5

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	7.8	10	12	6	0	0
February	7.1	6	11	3	2	0
March	5.8	7	9	8	4	0
April	5.5	10	9	5	6	0
May	5.5		14	4	4	0
June	4.0		7	4	2	0
July	4.9		7	6	4	0
August	5.8		7	8	5	0
September	7.2		10	8	4	0
October	6.1		8	6	8	0
November	8.9		8	11	12	0
December	5.7		6	14	7	0
Average	6.2	8.0	9.0	7.0	4.7	0.1

81st highest wind speed of Italy

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	NE	NE	NE	N	N
February	E	NE	N	NE	N
March	E	NE	NE	NE	N
April	NE	E	N	NE	N
May		NE	NE	NE	N
June		NE	N	NW	NE
July		NE	NE	N	N
August		NE	NE	NE	NE
September		NE	E	NE	N
October		E	NE	NE	N
November		E	NE	NE	N
December		E	NE	NE	N

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Trieste weather Q&A

What is the warmest month in Trieste?

The warmest month is August with an average temperature of 30 °C over the past years.

What is the coldest month in Trieste?

The coldest month is January with an average daytime temperature of 9 °C in the past few years.

Which month is the wettest in Trieste?

Chance of precipitation is the highest in December with a probability of around 11.0 %.

Which month is the driest in Trieste?

The least rainfall and snow can be expected in August. The probability is about 1.1 %.