The week of 1 September 2025 - 7 September 2025 had an average daily temperature of 30 °C (86 °F) and a minimum (nighttime) temperature of 22 °C (72 °F). The current temperatures are slightly above the long-term average for Castello, with the daily and nighttime temperatures being 28 °C (82 °F) and 20 °C (68 °F), respectively. The average temperatures during different times of day (local time) were following: 7am 22 °C (72 °F), 10am 28 °C (82 °F), 1pm 29 °C (84 °F), 4pm 29 °C (84 °F), 7pm 27 °C (81 °F), 10pm 25 °C (77 °F).

There were 6 days without rain and 1 day with light rain during this week. Castello received 0 mm (0.00 in) of precipitation throughout the week, which is below its long-term average of 12 mm (0.47 in). During the daytime (from dawn to dusk), there was 41 % cloud coverage on average.

The wind's speed averaged 2.7 m/s. The air pressure varied between 1007 hpa and 1021 hpa. The air in Castello had an average humidity of 59 %.

During the daytime (from dawn to dusk), there were in average: 7 hours clear skies, 2 hours partially overcast skies and 4 hours overcast skies. Average time of sunrise was 07:31, average time of sunset was 20:27.

Weather overview

Castello (Spain) in general has a hot climate. The day temperatures range from 15 °C (58 °F) in January to 30 °C (86 °F) in August. Temperatures during the night go from 6 °C (44 °F) in January to 22 °C (71 °F) in August. The least rainy month in Castello is July with its 2 days of rain, the rainiest month is October, when it rains 6 days. Sea temperatures are in the following range: 13 °C (56 °F) in February to 26 °C (79 °F) in August.

January weather

The minimum of the day temperature can be noticed, with its value of 15 °C (58 °F) in Castello, while the sea temperature continues to descent, its value is 14 °C (57 °F). The rainfall amount descent's start could be observed, its value is 32 mm (1.27 in). The minimum of the night temperature can be noticed in this month.

February weather

The day temperature rise's start could be observed in Castello, while the sea temperature is on its minimum in this month. The beginning of the rise of the night temperature could be noticed in this month. The beginning of the rise of the number of sun hours (without clouds) could be noticed, the value of this measure is 6 hours.

March weather

The night temperature rises similarly to the previous month, with its value of 9 °C (48 °F) in Castello, and the rise of the day temperature can be observed as well, with its value being 18 °C (64 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 7 hours.

April weather

The day temperature rises similarly to the previous month, with its value of 20 °C (68 °F) in Castello, while the sea temperature rise's start could be observed. The number of rainy days rise's start could be observed, with its value of 6 days, and the rainfall amount starts to rise as well in April. The rise of the night temperature can be observed, its value is 11 °C (52 °F). The maximum of the wind speed is observable in this month.

May weather

The day temperature rises similarly to the previous month, its value is 23 °C (73 °F) in Castello, and the sea temperature continues to rise too, its value is 18 °C (64 °F). The beginning of the descent of the number of rainy days could be noticed, its value is 5 days. The night temperature continues to rise, with its value being 14 °C (58 °F). The number of sun hours (without clouds) rises similarly to the previous month, with its value being 9 hours.

June weather

The tourist season is at its beginning in Castello. The day temperature rises similarly to the previous month, with its value of 27 °C (81 °F), and the sea temperature continues to rise as well, the value of this measure is 22 °C (71 °F). The rainfall amount descent's start could be observed, the value of this measure is 18 mm (0.72 in), while the number of rainy days descents similarly to the previous month, the value of this measure is 4 days. The night temperature rises similarly to the previous month, with its value being 19 °C (65 °F).

July weather

The day temperature continues to rise, its value is 30 °C (85 °F) in Castello, and the sea temperature continues to rise as well. The minimum of the number of rainy days is observable, with its value being 2 days, and the rainfall amount is on its minimum too, the value of this measure is 12 mm (0.47 in). There is pending tourist season. The maximum of the number of sun hours (without clouds) can be noticed, its value is 10 hours.

August weather

The day temperature reaches its maximum, its value is 30 °C (86 °F) in Castello, and the maximum of the sea temperature can be noticed as well in this month. The ongoing tourist season is noticeable this month. The maximum of the night temperature is observable in this month. The number of sun hours (without clouds) descent's start could be observed, the value of this measure is 9 hours. The beginning of the rise of the number of rainy days could be noticed in August.

September weather

The beginning of the descent of the day temperature could be noticed, with its value being 27 °C (80 °F) in Castello, and the sea temperature starts to descent as well, with its value of 25 °C (76 °F). The tourist season is taking place. The rainfall amount continues to rise, the value of this measure is 64 mm (2.51 in), and the rise of the number of rainy days can be observed as well, its value is 6 days. The night temperature descent's start could be observed in this month.

October weather

The descent of the day temperature can be observed, with its value of 23 °C (73 °F) in Castello, and the descent of the sea temperature can be observed as well, with its value of 22 °C (71 °F). The maximum of the number of rainy days can be noticed, the value of this measure is 6 days, and the maximum of the rainfall amount is observable as well, with its value of 70 mm (2.77 in). The night temperature descents similarly to the previous month, with its value being 15 °C (59 °F). The maximum of the humidity can be noticed, its value is 67 %.

November weather

The day temperature continues to descent, with its value being 18 °C (65 °F) in Castello, and the sea temperature continues to descent too, its value is 18 °C (65 °F). The rainfall amount descent's start could be observed in November. The descent of the night temperature can be observed, the value of this measure is 10 °C (50 °F). The number of sun hours (without clouds) continues to descent, with its value of 5 hours.

December weather

The sea temperature continues to descent in Castello, and the day temperature continues to descent as well, with its value being 16 °C (60 °F). The number of rainy days descent's start could be observed in December. The night temperature continues to descent. The minimum of the day length is observable in December. The number of sun hours (without clouds) is on its minimum in December.

Is March part of the dry season in Castello?

No, March is not a dry month in Castello, expect rain approximately 4 days in a month.

How many hours of sun to expect in Castello in April?

In Castello in April, you can expect around 8 hours of sunshine.

What temperature can I expect during the day in May in Castello?

In Castello in May, the average daily temperatures will be 23 °C (73 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

Are there good conditions to visit in June in Castello?

In Castello in June, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 27 °C (81 °F). At night, temperatures hover around a pleasant 19 °C (65 °F). You can expect just 4 days of rain during the month, taking an umbrella is not necessary. A sea temperature of 22 °C (71 °F) can seem colder to some, but others will call it refreshing.

What is the sea temperature in Castello in July?

The temperature of the sea in July in Castello is 25 °C (77 °F). It will be comfortable for you to spend even a long time in a sea warm like this, there will be people for whom this temperature will be too low or too high.

Is it hot in August in Castello?

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

Is there a wet season in September in Castello?

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

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

There are 6 days, which are rainy in Castello in October, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.3 days of the week, or in general - 19 % days.

What is the night temperature in November in Castello?

The average night temperature in November in Castello is 10 °C (50 °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.