Castelsardo (Italy) in general has a hot climate. The day temperatures range from 12.5 °C (54.5 °F) in January to 29.7 °C (85.5 °F) in July. The highest sea temperatures in Castelsardo are in August with 24.4 °C (75.9 °F) and the lowest in February with 13.2 °C (55.7 °F). Temperatures during the night go from 6.0 °C (42.8 °F) in February to 20.3 °C (68.5 °F) in August. The driest month is July with just 1 days of rain, on the contrary, the month when it rains the most is November with 11 days of rain.

January weather

The minimum of the day temperature is observable, with its value of 12.5 °C (54.5 °F) in Castelsardo, while the descent of the sea temperature can be observed, the value of this measure is 13.7 °C (56.6 °F). The number of rainy days continues to descent, with its value of 9 days, and the descent of the rainfall amount can be observed as well, with its value being 49 mm (1.92 in). The beginning of the rise of the number of sun hours (without clouds) could be noticed in January. The descent of the night temperature can be observed.

February weather

The night temperature reaches its minimum, its value is 6.0 °C (42.8 °F) in Castelsardo, and the minimum of the sea temperature can be noticed as well in this month. The number of sun hours (without clouds) rises similarly to the previous month, its value is 5 hours.

March weather

The day temperature starts to rise, its value is 14.7 °C (58.5 °F) in Castelsardo, and the night temperature rise's start could be observed as well, the value of this measure is 7.3 °C (45.1 °F). The number of rainy days starts to descent, the value of this measure is 8 days. The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 6 hours.

April weather

The sea temperature starts to rise, its value is 14.5 °C (58.0 °F) in Castelsardo, while the day temperature continues to rise, the value of this measure is 17.5 °C (63.5 °F). The night temperature continues to rise, the value of this measure is 9.5 °C (49.1 °F). The number of sun hours (without clouds) rises similarly to the previous month, its value is 7 hours.

May weather

The rise of the day temperature can be observed, with its value being 21.9 °C (71.4 °F) in Castelsardo, and the sea temperature continues to rise too, the value of this measure is 17.1 °C (62.7 °F). The rainfall amount starts to descent, with its value being 35 mm (1.36 in), and the beginning of the descent of the number of rainy days could be noticed too, with its value being 6 days. The night temperature continues to rise, the value of this measure is 13.6 °C (56.5 °F). The number of sun hours (without clouds) continues to rise, the value of this measure is 9 hours.

June weather

The rise of the day temperature can be observed, with its value of 26.3 °C (79.3 °F) in Castelsardo, and the sea temperature continues to rise as well, its value is 20.3 °C (68.6 °F). The tourist season is about to start. The descent of the number of rainy days can be observed, with its value being 3 days, and the descent of the rainfall amount can be observed too. The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 10 hours.

July weather

The maximum of the day temperature is observable in Castelsardo, while the sea temperature rises similarly to the previous month, its value is 23.4 °C (74.1 °F). The ongoing tourist season is noticeable. The rainfall amount is on its minimum, its value is 5 mm (0.19 in), and the number of rainy days reaches its minimum as well, with its value being 1 days. The number of sun hours (without clouds) is on its maximum, with its value of 11 hours.

August weather

The tourist season is close to its peak in Castelsardo. The beginning of the rise of the number of rainy days could be noticed, the value of this measure is 2 days, and the rainfall amount starts to rise as well, with its value being 11 mm (0.44 in). The sea temperature reaches its maximum, its value is 24.4 °C (75.9 °F), and the maximum of the night temperature can be noticed as well. The number of sun hours (without clouds) descent's start could be observed, the value of this measure is 10 hours.

September weather

The day temperature starts to descent, the value of this measure is 25.5 °C (77.9 °F) in Castelsardo, and the sea temperature descent's start could be observed too. There is pending tourist season. The rise of the number of rainy days can be observed, with its value of 6 days, and the rainfall amount rises similarly to the previous month as well, with its value being 37 mm (1.47 in). The beginning of the descent of the night temperature could be noticed, the value of this measure is 17.2 °C (63.0 °F).

October weather

The day temperature continues to descent, the value of this measure is 21.4 °C (70.5 °F) in Castelsardo, and the descent of the sea temperature can be observed too, its value is 20.4 °C (68.7 °F). The number of rainy days continues to rise, its value is 8 days, and the rainfall amount continues to rise too, the value of this measure is 70 mm (2.77 in). The night temperature continues to descent, its value is 14.5 °C (58.1 °F). The wind speed reaches its minimum.

November weather

The descent of the day temperature can be observed, its value is 16.6 °C (61.9 °F) in Castelsardo, and the sea temperature continues to descent as well, its value is 17.7 °C (63.8 °F). The maximum of the number of rainy days can be noticed, the value of this measure is 11 days, and the maximum of the rainfall amount can be noticed too in November. The night temperature descents similarly to the previous month. The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 5 hours.

December weather

The day temperature descents similarly to the previous month in Castelsardo, and the sea temperature descents similarly to the previous month too, with its value of 15.0 °C (59.1 °F). The number of rainy days starts to descent, the value of this measure is 10 days, and the rainfall amount descent's start could be observed as well. The night temperature continues to descent, with its value being 8.2 °C (46.8 °F). The number of sun hours (without clouds) is on its minimum in this month.

FAQs

How windy is it in Castelsardo in April?

An average wind scale that can be expected in April in Castelsardo is 4.4.

What is the night temperature in Castelsardo in May?

The average night temperature in May in Castelsardo is 13.6 °C (56.5 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

Is June a good month to visit Castelsardo?

In Castelsardo in June, there are ideal conditions for a vacation. The temperature during the day will be nice 26.3 °C (79.3 °F). There are only 3 days of rain in the whole month, so you can leave your umbrella at home. A sea temperature of 20.3 °C (68.6 °F) can seem colder to some, but others will call it refreshing. The temperature of 16.9 °C (62.4 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What temperature can I expect during the day in July in Castelsardo?

In July in Castelsardo, the average daily temperatures will be 29.7 °C (85.5 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

Is it hot in Castelsardo in August?

In August in Castelsardo, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is September part of the wet season in Castelsardo?

No, there is no wet season in September in Castelsardo - you can expect 6 days of rain during the month.

What is the average number of rainy days in October in Castelsardo?

In October in Castelsardo, we can expect 8 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.9 days of the week, or in general - 28 % days.

How many hours of sun to expect in November in Castelsardo?

There is an average length of sunshine of 5 hours per day in Castelsardo in November.