Weather and climate in Trapani (Sicily)

The climate of Trapani is Mediterranean, with mild, relatively rainy winters and hot, sunny summers.
The city is located on the northwest coast of Sicily. Off the coast, between Trapani and Marsala, we find the Aegadian islands, while closer to the coast we find the Stagnone islands.
To the north, on the other hand, is Erice, a small town located on a hill, at 750 meters (2,450 ft) above sea level.
We are in a windy area, exposed to both the mistral wind that comes from Sardinia and the sirocco.
Winter, from December to February, is mild, and is characterized by sunny periods alternating with rainy periods.
It rarely gets very cold, however, sometimes there can be cold, windy and rainy days, with highs around 8/10 °C (46/50 °F).
Snow in Trapani is very rare. In fact, Trapani is one of the least snowy cities in Italy. Snow fell very few times in the post-war period: in March 1949, February 1956, January 1981, January 1999, and December 2014.
Cold records are around 0 °C (32 °F).



Summer, from June to August, is hot and sunny, with very rare rains. The sea breeze tempers the heat in the afternoon, but brings humid air.
There can be hot and sultry periods, especially from late July to late August, when the sea is warmer.
Furthermore, heatwaves of African origin can sometimes occur: in these cases, it is possible for the temperature to reach or exceed 40 °C (104 °F). The temperature reached 43 °C (109.5 °F) in late June 1982, 42 °C (107.5 °F) in July 2023, and 44 °C (111 °F) in August 1999.

Best Time

To visit Trapani, you can choose the periods from mid-April to mid-May and from mid-September to mid-October, since in summer it can get very hot. It must be said that in both periods there may be rainy days.
The best months for a beach holiday are July and August. In June, the days are longer and the weather is often good, but the sea is still a bit cool. You can still go in September, in fact the sea is still quite warm, but the days get shorter and the first waves of bad weather can occur, especially in the second half of the month.

Trapani - Climate data

The average temperature of the coldest month (February) is of 11.1 °C (52.0 °F), that of the warmest month (August) is of 26.1 °C (78.9 °F). Here are the average temperatures.
Precipitation amounts to 495 millimeters (19.5 inches) per year: it is therefore quite scarce. It ranges from 3 mm (0.1 in) in the driest month (July) to 80 mm (3.1 in) in the wettest one (November). Here is the average precipitation.
The sea temperature ranges from 14.5 °C (58 °F) in February, March to 26.5 °C (80 °F) in August. Here are the average sea temperatures.
There are on average around 2690 sunshine hours per year. Here are the average hours of sunshine per day.

Trapani - Weather by month

Based on the period 1991-2020

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January is generally a mild month. The average temperature is of 11.3 °C (52 °F), with a minimum of 7.6 °C (45.6 °F) and a maximum of 15 °C (58.9 °F).
On the coldest nights of the month, the temperature usually drops to around 2.5 °C (37 °F). However, it dropped to 0 °C (32 °F) in January 2005.
On the warmest days of the month, the temperature usually reaches around 18.5 °C (65 °F). However, it reached 20.4 °C (68.7 °F) in January 1997.
Precipitation amounts to 65 mm (2.6 in), distributed over 9 days.
The day lasts on average 9 hours and 55 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.

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February, the coldest month of the year, is generally a mild month. The average temperature is of 11.1 °C (52 °F), with a minimum of 7.3 °C (45.2 °F) and a maximum of 14.9 °C (58.8 °F).
On the coldest nights of the month, the temperature usually drops to around 3 °C (37 °F). However, it dropped to -0.2 °C (31.6 °F) in February 2008.
On the warmest days of the month, the temperature usually reaches around 18.5 °C (65.5 °F). However, it reached 23.6 °C (74.5 °F) in February 1995.
Precipitation amounts to 50 mm (2 in), distributed over 8 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 15 kph (10 mph).
The average sea temperature is of 14.5 °C (58 °F). Therefore, the sea is very cold for swimming.

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March is generally a mild month. The average temperature is of 12.9 °C (55 °F), with a minimum of 8.8 °C (47.8 °F) and a maximum of 17 °C (62.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to 0.2 °C (32.4 °F) in March 1996.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 23 °C (73 °F). However, it reached 29 °C (84.2 °F) in March 2001.
Precipitation amounts to 45 mm (1.8 in), distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 14.5 °C (58 °F). Therefore, the sea is very cold for swimming.

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April is generally a very mild month. The average temperature is of 15.0 °C (59 °F), with a minimum of 10.5 °C (50.9 °F) and a maximum of 19.6 °C (67.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 5.5 °C (42 °F). However, it dropped to 1.8 °C (35.2 °F) in April 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 26.5 °C (80 °F). However, it reached 33.4 °C (92.1 °F) in April 2016.
Precipitation amounts to 40 mm (1.6 in), distributed over 6 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 15.5 °C (60 °F). Therefore, the sea is cold for swimming.

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May is generally a warm month. The average temperature is of 18.7 °C (66 °F), with a minimum of 13.9 °C (57.1 °F) and a maximum of 23.5 °C (74.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 9 °C (48.5 °F). However, it dropped to 6 °C (42.8 °F) in May 2019.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32 °C (89 °F). However, it reached 39.4 °C (102.9 °F) in May 2006.
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 14 hours and 20 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 14 kph (8 mph).
The average sea temperature is of 18.5 °C (65 °F). Therefore, the sea is very cool for swimming.

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June is generally a warm month. The average temperature is of 22.5 °C (72 °F), with a minimum of 17.5 °C (63.5 °F) and a maximum of 27.5 °C (81.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 12.5 °C (55 °F). However, it dropped to 10.2 °C (50.4 °F) in June 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 41.4 °C (106.5 °F) in June 2007.
Precipitation amounts to only 4 mm (0.2 in), and all occurs in one day.
The day lasts on average 14 hours and 50 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 10 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 22 °C (71.5 °F). Therefore, the sea is cool for swimming.

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July is generally a warm to hot, muggy month. The average temperature is of 25.2 °C (77 °F), with a minimum of 20.4 °C (68.7 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (61.5 °F). However, it dropped to 13.2 °C (55.8 °F) in July 1991.
On the warmest days of the month, the temperature usually reaches around 36.5 °C (98 °F). However, it reached 41.4 °C (106.5 °F) in July 1998.
Precipitation amounts to only 3 mm (0.1 in), and all occurs in one day.
The day lasts on average 14 hours and 30 minutes. So the days are long.
There are on average 11 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 25 °C (77 °F). Therefore, the sea is warm enough for swimming.

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August, the hottest month of the year, is generally a warm to hot, muggy month. The average temperature is of 26.1 °C (79 °F), with a minimum of 21.2 °C (70.2 °F) and a maximum of 30.9 °C (87.6 °F).
On the coldest nights of the month, the temperature usually drops to around 17.5 °C (64 °F). However, it dropped to 15 °C (59 °F) in August 2006.
On the warmest days of the month, the temperature usually reaches around 37 °C (98.5 °F). However, it reached 44 °C (111.2 °F) in August 1999.
Precipitation amounts to only 9 mm (0.4 in), and all occurs in one day.
The day lasts on average 13 hours and 35 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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September is generally a warm to hot, muggy month. The average temperature is of 23.7 °C (75 °F), with a minimum of 19.4 °C (66.8 °F) and a maximum of 28 °C (82.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 14.5 °C (58.5 °F). However, it dropped to 11.8 °C (53.2 °F) in September 2002.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, it reached 38 °C (100.4 °F) in September 2005.
Precipitation amounts to 45 mm (1.8 in), distributed over 4 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 25 °C (77 °F). Therefore, the sea is warm enough for swimming.

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October is generally a warm month. The average temperature is of 20.1 °C (68 °F), with a minimum of 16 °C (60.8 °F) and a maximum of 24.3 °C (75.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 11 °C (52 °F). However, it dropped to 6.8 °C (44.2 °F) in October 2011.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (85 °F). However, it reached 33.2 °C (91.8 °F) in October 1999.
Precipitation amounts to 70 mm (2.8 in), distributed over 7 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 22.5 °C (72.5 °F). Therefore, the sea can be considered barely acceptable for swimming.

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November is generally a very mild month. The average temperature is of 16.1 °C (61 °F), with a minimum of 12.4 °C (54.3 °F) and a maximum of 19.8 °C (67.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 7 °C (45 °F). However, it dropped to 2.4 °C (36.3 °F) in November 2006.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 24.5 °C (76.5 °F). However, it reached 27 °C (80.6 °F) in November 2012.
Precipitation amounts to 80 mm (3.1 in), distributed over 8 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 19.5 °C (67 °F). Therefore, the sea is very cool for swimming.

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December is generally a mild month. The average temperature is of 12.9 °C (55 °F), with a minimum of 9.5 °C (49 °F) and a maximum of 16.3 °C (61.3 °F).
On the coldest nights of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to 0 °C (32 °F) in December 2001.
On the warmest days of the month, the temperature usually reaches around 20 °C (67.5 °F). However, it reached 22.6 °C (72.7 °F) in December 2004.
Precipitation amounts to 70 mm (2.8 in), distributed over 9 days.
The day lasts on average 9 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 4 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 16.5 °C (62 °F). Therefore, the sea is cold for swimming.