Climate - Cagliari (Sardinia)

In Cagliari, the climate is Mediterranean, with mild, rainy winters and hot, sunny summers.
The city is the capital of Sardinia and is located in the south of the island, on the coast of the Gulf of Angels (or Gulf of Cagliari).
The daily average temperature ranges from about 10 °C (50 °F) in January and February to about 26 °C (79 °F) in July and August. Here are the average temperatures.

The rainfall is not abundant, in fact, it slightly exceeds 400 millimeters (16 inches) per year; this happens because weather disturbances pass quickly and are soon replaced by the mistral, the northwest wind, fresh and dry, which blows from France. Cagliari is in fact one of the driest cities in Italy. Here is the average precipitation.

Winter, from December to February, is mild, and is characterized by sunny periods alternating with rainy periods.
It rarely get very cold, however, there may be a few cold days, with highs around 10 °C (50 °F) and lows around freezing, or even a few degrees below. The cold record is -5 °C (23 °F), recorded in January 1981.
Snow is very rare, however, snowfalls with accumulation occurred in February 1956, in January 1967, in January 1985 and January 1993.

Summer, from June to August, is hot and sunny, with very rare rains.
Generally, the temperatures are not too high and the breeze blows, however, 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 42 °C (107.5 °F) in July 1982 and in August 2012, 43.6 °C (110.5 °F) in July 1983 (record), and 41 °C (106 °F) in August 1987, August 2003, August 2017 and July 2019. However, even during days of torrid heat, it is possible that in the afternoon the breeze will come to give some relief.



The sea is warm enough for swimming from July to September, while it is quite cool in June and October. Here is the temperature of the sea.

The amount of sunshine in Cagliari is very good in summer, when clear skies prevail, while in winter, there is an alternation between sunny periods and periods of bad weather, with rain, wind and thunderstorms. On average, there are around 2,600 hours of sunshine per year. Here are the average sunshine hours per day.

Best Time

The best time to visit Cagliari for a beach holiday is the summer, from June to August. The sea temperature is comfortable enough from July to September, although in September, which in any case is still a good month (especially in the first half), the first periods of bad weather can occur.
To visit the city you can choose spring, in April and May, and the beginning of autumn, from mid-September to mid-October.

Back to the climate of Sardinia.

Cagliari - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Cagliari is usually mild. The average temperature is of 10.1 °C (50 °F), with a minimum of 5.5 °C (41.9 °F) and a maximum of 14.7 °C (58.5 °F).
On the coldest nights of the month, the temperature usually drops to around 0 °C (32 °F). However, it dropped to -3 °C (26.6 °F) in January 1999.
On the warmest days of the month, the temperature usually reaches around 19 °C (66.5 °F). However, it reached 21 °C (69.8 °F) in January 2002.
Precipitation amounts to 45 mm (1.8 in), distributed over 8 days.
The day lasts on average 9 hours and 50 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 15 °C (58.5 °F). Therefore, the sea is cold for swimming.

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In February, the weather in Cagliari is usually mild. The average temperature is of 10.3 °C (50 °F), with a minimum of 5.4 °C (41.7 °F) and a maximum of 15.1 °C (59.2 °F).
On the coldest nights of the month, the temperature usually drops to around 0.5 °C (32.5 °F). However, it dropped to -3 °C (26.6 °F) in February 1999.
On the warmest days of the month, the temperature usually reaches around 19.5 °C (66.5 °F). However, it reached 23.8 °C (74.8 °F) in February 2017.
Precipitation amounts to 55 mm (2.2 in), distributed over 8 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 14 °C (57.5 °F). Therefore, the sea is very cold for swimming.

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In March, the weather in Cagliari is usually mild. The average temperature is of 12.4 °C (54 °F), with a minimum of 7.4 °C (45.4 °F) and a maximum of 17.4 °C (63.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 1.5 °C (35 °F). However, it dropped to -1 °C (30.2 °F) in March 1993.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 22 °C (71.5 °F). However, it reached 26.2 °C (79.2 °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 7 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 14 °C (57.5 °F). Therefore, the sea is very cold for swimming.

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In April, the weather in Cagliari is usually very mild. The average temperature is of 14.9 °C (59 °F), with a minimum of 9.8 °C (49.6 °F) and a maximum of 20 °C (67.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4 °C (39.5 °F). However, it dropped to -0.4 °C (31.3 °F) in April 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 28.6 °C (83.5 °F) in April 2006.
Precipitation amounts to 35 mm (1.4 in), distributed over 6 days.
The day lasts on average 13 hours and 20 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 15.5 °C (59.5 °F). Therefore, the sea is cold for swimming.

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In May, the weather in Cagliari is usually warm. The average temperature is of 18.7 °C (66 °F), with a minimum of 13.3 °C (56 °F) and a maximum of 24 °C (75.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8 °C (47 °F). However, it dropped to 5 °C (41 °F) in May 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (86.5 °F). However, it reached 34.6 °C (94.3 °F) in May 2006.
Precipitation amounts to 25 mm (1 in), distributed over 4 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 69%.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 18 °C (64 °F). Therefore, the sea is cold for swimming.

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In June, the weather in Cagliari is usually warm to hot. The average temperature is of 23.0 °C (73 °F), with a minimum of 17.3 °C (63.2 °F) and a maximum of 28.6 °C (83.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 13 °C (55 °F). However, it dropped to 10.6 °C (51.1 °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 39 °C (102.2 °F) in June 2007.
Precipitation amounts to 10 mm (0.4 in), distributed over 2 days.
The day lasts on average 14 hours and 55 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 10.5 hours of sunshine per day. So, the sun shines 70% of the time.
The average humidity is 63%.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 21.5 °C (70.5 °F). Therefore, the sea is cool for swimming.

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In July, the weather in Cagliari is usually warm to hot. The average temperature is of 25.8 °C (79 °F), with a minimum of 20 °C (68.1 °F) and a maximum of 31.6 °C (88.9 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (61 °F). However, it dropped to 12.2 °C (54 °F) in July 1991.
On the warmest days of the month, the temperature usually reaches around 37.5 °C (99 °F). However, it reached 40.8 °C (105.4 °F) in July 2019.
Precipitation amounts to only 3 mm (0.1 in), and all occurs in one day.
The day lasts on average 14 hours and 35 minutes. So the days are long.
There are on average 11 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 62%.
The average wind speed is 17 kph (10 mph).
The average sea temperature is of 24.5 °C (75.5 °F). Therefore, the sea is warm enough for swimming.

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In August, the hottest month of the year, the weather in Cagliari is usually warm to hot. The average temperature is of 26.2 °C (79 °F), with a minimum of 20.4 °C (68.8 °F) and a maximum of 32 °C (89.5 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (61 °F). However, it dropped to 13.4 °C (56.1 °F) in August 1993.
On the warmest days of the month, the temperature usually reaches around 37.5 °C (99.5 °F). However, it reached 41.8 °C (107.2 °F) in August 2012.
Precipitation amounts to 10 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 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 65%.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 25.5 °C (78 °F). Therefore, the sea is warm enough for swimming.

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In September, the weather in Cagliari is usually warm to hot. The average temperature is of 22.8 °C (73 °F), with a minimum of 17.6 °C (63.7 °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 12.5 °C (55 °F). However, it dropped to 9 °C (48.2 °F) in September 2001.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 33 °C (91 °F). However, it reached 35.9 °C (96.6 °F) in September 2016.
Precipitation amounts to 30 mm (1.2 in), distributed over 4 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 70%.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 24 °C (75.5 °F). Therefore, the sea is warm enough for swimming.

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In October, the weather in Cagliari is usually warm. The average temperature is of 19.3 °C (67 °F), with a minimum of 14.5 °C (58.1 °F) and a maximum of 24.1 °C (75.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9 °C (48 °F). However, it dropped to 5 °C (41 °F) in October 2007.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 31.8 °C (89.2 °F) in October 1999.
Precipitation amounts to 55 mm (2.2 in), distributed over 6 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 60% 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 22 °C (71.5 °F). Therefore, the sea is cool for swimming.

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In November, the weather in Cagliari is usually very mild. The average temperature is of 14.6 °C (58 °F), with a minimum of 10.2 °C (50.3 °F) and a maximum of 19.1 °C (66.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to -2 °C (28.4 °F) in November 1998.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 24 °C (75 °F). However, it reached 26.5 °C (79.7 °F) in November 2012.
Precipitation amounts to 55 mm (2.2 in), distributed over 8 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 19 °C (66 °F). Therefore, the sea is very cool for swimming.

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In December, the weather in Cagliari is usually mild. The average temperature is of 11.3 °C (52 °F), with a minimum of 6.9 °C (44.4 °F) and a maximum of 15.7 °C (60.3 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (33.5 °F). However, it dropped to -3 °C (26.6 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 19.5 °C (67.5 °F). However, it reached 23.4 °C (74.1 °F) in December 2009.
Precipitation amounts to 55 mm (2.2 in), distributed over 8 days.
The day lasts on average 9 hours and 30 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 13 kph (8 mph).
The average sea temperature is of 16.5 °C (61.5 °F). Therefore, the sea is cold for swimming.