, with quite cold, damp winters and hot, muggy summers.
The city is located in northeastern Italy, on the coast, in the northern part of the Gulf of Trieste. To the north are the Karst hills. A short distance to the west is the estuary of the Isonzo (Soča) River, while to the east, near the border with Slovenia, the Timavo (Reka) River reappears after an underground journey of 39 km (24 mi).
Winter in Monfalcone is colder than in Trieste, due to the influence of the Venetian plain. At night, the temperature quite often drops below freezing, especially in the northern area of the city, where the municipality of Ronchi dei Legionari is located.
in Monfalcone is rare, because with the bora, the weather is generally dry, while with the sirocco, the wind comes directly from the sea, the temperature exceeds freezing and therefore it rains. Sometimes, however, it can snow. On average, around 5 cm (2 in) fall per year. Generally, the snow does not exceed 5/10 cm (2/4 in) even in the heaviest snowfalls, although 30 cm (12 in) of snow fell in January 1985.
from Eastern Europe can bring quite intense frosts, though the temperature rarely drops below -10 °C (14 °F). At Ronchi dei Legionari airport, the temperature dropped to -15.5 °C (4 °F) in December 2009.
Sometimes, an Atlantic front, able to bring cool and rainy weather, can affect this area even in summer; more often, on sunny days, thunderstorms can erupt in the afternoon or evening.
, which are becoming increasingly more frequent, the temperature can reach or exceed 35 °C (95 °F). In July 2015 it reached 39 °C (102 °F).
to visit Monfalcone is that of spring and early summer, and in particular, from mid-April to mid-June. September, too, is a good month. However, you have to take into account some rainy days in both periods.
Summer can be hot, although some days can be acceptable, especially in June. In summer, and sometimes in May, sudden thunderstorms in the afternoon or evening must be put into account.
To go to the beach, the best months are July and August. In June, the sea is still a little cool.
. Here are the average temperatures.
January, the coldest month of the year, is generally a quite cold month. The average temperature is of
4.3 °C, with a minimum of
-0.3 °C and a maximum of
8.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-7 °C. However, it dropped to
-12.4 °C in January 2006.
On the warmest days of the month, the temperature usually reaches around
14.5 °C. However, it reached
17 °C in January 1992.
Precipitation amounts to
65 mm, distributed over 7 days.
The day lasts on average 9 hours and 5 minutes.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
6.2 kph.
The average sea temperature is of
11.6 °C. Therefore, the sea is very cold for swimming.
February is generally a quite cold month. The average temperature is of
5.2 °C, with a minimum of
-0.1 °C and a maximum of
10.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-6 °C. However, it dropped to
-12.1 °C in February 2012.
On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
21.5 °C in February 1998.
Precipitation amounts to
60 mm, distributed over 6 days.
The day lasts on average 10 hours and 25 minutes.
The average humidity is 66%.
The average wind speed is of
7.1 kph.
The average sea temperature is of
10.4 °C. Therefore, the sea is very cold for swimming.
March is generally a mild month. The average temperature is of
8.8 °C, with a minimum of
3.1 °C and a maximum of
14.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-12 °C in March 2005.
On the warmest days of the month, the temperature usually reaches around
21 °C. However, it reached
27.2 °C in March 1998.
Precipitation amounts to
80 mm, distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 64%.
The average wind speed is of
8.1 kph.
The average sea temperature is of
11 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
12.8 °C, with a minimum of
7.1 °C and a maximum of
18.5 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-5.7 °C in April 2003.
On the warmest days of the month, the temperature usually reaches around
25.5 °C. However, it reached
30.1 °C in April 2012.
Precipitation amounts to
100 mm, distributed over 9 days.
The day lasts on average 13 hours and 35 minutes.
The average humidity is 66%.
The average wind speed is of
7.7 kph.
The average sea temperature is of
13.7 °C. Therefore, the sea is very cold for swimming.
May is generally a very mild month. The average temperature is of
17.4 °C, with a minimum of
11.6 °C and a maximum of
23.1 °C.
On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
2.5 °C in May 2012.
On the warmest days of the month, the temperature usually reaches around
29 °C. However, it reached
33.3 °C in May 1997.
Precipitation amounts to
90 mm, distributed over 10 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.
The average humidity is 67%.
The average wind speed is of
7.4 kph.
The average sea temperature is of
18.1 °C. Therefore, the sea is cold for swimming.
June is generally a warm month. The average temperature is of
21.2 °C, with a minimum of
15.3 °C and a maximum of
27.2 °C.
On the coldest nights of the month, the temperature usually drops to around
10 °C. However, it dropped to
3.8 °C in June 2005.
On the warmest days of the month, the temperature usually reaches around
33.5 °C. However, it reached
36.4 °C in June 2003.
Precipitation amounts to
100 mm, distributed over 9 days.
The day lasts on average 15 hours and 40 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 66%.
The average wind speed is of
7.1 kph.
The average sea temperature is of
22.4 °C. Therefore, the sea can be considered barely acceptable for swimming.
July is generally a warm to hot month. The average temperature is of
23.5 °C, with a minimum of
17.4 °C and a maximum of
29.6 °C.
On the coldest nights of the month, the temperature usually drops to around
12.5 °C. However, it dropped to
7.2 °C in July 2007.
On the warmest days of the month, the temperature usually reaches around
34.5 °C. However, it reached
39.2 °C in July 2015.
Precipitation amounts to
75 mm, distributed over 8 days.
The day lasts on average 15 hours and 20 minutes. So the days are long.
The average humidity is 64%.
The average wind speed is of
7.4 kph.
The average sea temperature is of
25.1 °C. Therefore, the sea is warm enough for swimming.
August, the warmest month of the year, is generally a warm to hot month. The average temperature is of
23.5 °C, with a minimum of
17.3 °C and a maximum of
29.7 °C.
On the coldest nights of the month, the temperature usually drops to around
11.5 °C. However, it dropped to
6.7 °C in August 1995.
On the warmest days of the month, the temperature usually reaches around
34.5 °C. However, it reached
39.3 °C in August 1999.
Precipitation amounts to
95 mm, distributed over 7 days.
The day lasts on average 14 hours and 0 minutes.
The average humidity is 66%.
The average wind speed is of
7.3 kph.
The average sea temperature is of
25.6 °C. Therefore, the sea is warm enough for swimming.
September is generally a warm month. The average temperature is of
18.9 °C, with a minimum of
13.2 °C and a maximum of
24.6 °C.
On the coldest nights of the month, the temperature usually drops to around
7.5 °C. However, it dropped to
4.8 °C in September 2002.
On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
33.4 °C in September 2011.
Precipitation amounts to
120 mm, distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.
The average humidity is 70%.
The average wind speed is of
7.1 kph.
The average sea temperature is of
23 °C. Therefore, the sea can be considered barely acceptable for swimming.
October is generally a mild month. The average temperature is of
14.2 °C, with a minimum of
9 °C and a maximum of
19.4 °C.
On the coldest nights of the month, the temperature usually drops to around
1 °C. However, it dropped to
-6 °C in October 1997.
On the warmest days of the month, the temperature usually reaches around
24.5 °C. However, it reached
30 °C in October 2011.
Precipitation amounts to
120 mm, distributed over 9 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
7 kph.
The average sea temperature is of
19.6 °C. Therefore, the sea is very cool for swimming.
November is generally a mild month. The average temperature is of
9.5 °C, with a minimum of
4.9 °C and a maximum of
14.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-6.6 °C in November 2008.
On the warmest days of the month, the temperature usually reaches around
20 °C. However, it reached
25.5 °C in November 2004.
Precipitation amounts to
100 mm, distributed over 8 days.
The day lasts on average 9 hours and 25 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
6.5 kph.
The average sea temperature is of
16.5 °C. Therefore, the sea is cold for swimming.
December is generally a quite cold month. The average temperature is of
5.2 °C, with a minimum of
0.6 °C and a maximum of
9.8 °C.
On the coldest nights of the month, the temperature usually drops to around
-6.5 °C. However, it dropped to
-15.5 °C in December 2009.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
19.5 °C in December 2016.
Precipitation amounts to
90 mm, distributed over 8 days.
The day lasts on average 8 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
6.3 kph.
The average sea temperature is of
13.9 °C. Therefore, the sea is very cold for swimming.