August Weather in Castelsardo, Italy

Last updated: March 24, 2025

In August, Castelsardo, Italy, showcases a delightful Mediterranean climate, with maximum temperatures reaching up to 32°C (89°F), providing the perfect opportunity for sun-soaked adventures. The average temperature settles at a comfortable 25°C (77°F), while the evenings cool down to a pleasant 20°C (68°F). Though the month experiences minimal rainfall, totaling around 12 mm (0.5 in) over just 2 days, humidity hovers at 66%, adding a touch of warmth to the balmy nights. This combination of warmth and occasional cooling breezes makes August an ideal time to explore the stunning landscapes and vibrant cultural scene of Castelsardo.

August Temperature in Castelsardo

In August, Castelsardo basks in the warmth of summer, with minimum temperatures hovering at a comfortable 20°C (68°F) and averages reaching a pleasant 25°C (77°F). This month experiences maximum temperatures that can soar to 32°C (89°F), giving visitors ample opportunity to enjoy the sun-soaked beaches and vibrant coastal life. Compared to the cooler temperatures of earlier months, August stands out as the pinnacle of warmth, making it an ideal time for outdoor activities and exploration. As summer draws to a close, the balmy evenings provide the perfect setting for leisurely strolls along the picturesque waterfront, reminding all who visit why this charming Italian town is a seasonal favorite.

August Weather in Castelsardo: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Castelsardo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525254576370757772665954
Data source: Temperature data for Castelsardo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Castelsardo

In Castelsardo, Italy, August marks a notable shift in precipitation patterns, as the summer heat peaks. With just 12 mm (0.5 in) of rainfall spread over a mere two days, August is one of the driest months of the year, following July's even lower total of 11 mm (0.4 in). This trend of minimal precipitation creates a brief but dry respite before the onset of fall, where rainfall notably increases in September to 61 mm (2.4 in). The overall pattern illustrates a significant contrast, showcasing how the dry summer months transition into a wetter autumn, contributing to the region's rich vegetation and scenic beauty.

August Precipitation Trends in Castelsardo

The chart displays monthly precipitation patterns in Castelsardo, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec68564944621811126157128107
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Castelsardo

In Castelsardo, Italy, August marks a noticeable dip in humidity, averaging a comfortable 66%—the lowest level of the year. This decline is part of a broader trend of decreasing humidity that begins in July and peaks in January at a high of 79%. Following the summer months where the air feels slightly drier, the humidity gradually climbs again as autumn approaches, with September seeing a mild uptick to 68%. Overall, Castelsardo experiences a year-round humid climate, with late summer offering the most pleasant balance, inviting residents and visitors alike to enjoy the Mediterranean allure in warm, less humid days.

August Average Humidity in Castelsardo

This chart illustrates the average monthly humidity levels in Castelsardo, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%72%70%74%72%70%69%66%68%75%78%76%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Castelsardo

In Castelsardo, Italy, the UV Index experiences notable peaks during the summer months, particularly in August, where it reaches a significant 9, classifying it as very high. This indicates a consistent trend of elevated UV exposure from May through August, with peak values in June at 10 and July maintaining a 9. With a burn time of just 15 minutes during this period, it's crucial for residents and visitors to take protective measures. As summer wanes, the index gradually drops to 7 in September and continues to decrease into the fall months, highlighting a seasonal variation in UV intensity. For more detailed information, you can refer to the Castelsardo UV Index.

Maximum UV Index Levels in Castelsardo for August

The chart shows the monthly maximum UV Index (UVI) for Castelsardo in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3467910997642
Data source: Castelsardo August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Castelsardo

In Castelsardo, Italy, August enjoys a generous 397 hours of sunlight, marking the peak of a sun-soaked summer. This trend of increasing daylight hours builds through the spring and summer months, starting from a modest 202 hours in January and blossoming to an impressive 430 hours in July. Although sunlight decreases slightly in August, the warmth of summer remains palpable, inviting visitors to bask in the Mediterranean charm. As the seasons transition into fall, September still holds onto a respectable 343 hours of sunshine, illustrating Castelsardo's consistent allure for sun-seekers lingering on the Italian coast.

Monthly Sunshine Duration in Castelsardo: August Highlighted

The August sunshine duration represents the total number of hours Castelsardo experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec202h264h333h353h403h416h430h397h343h316h255h247h
Data source: Castelsardo August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castelsardo During August

In Castelsardo, Italy, August stands out as a particularly bright month, boasting a 74% chance of sunny weather. This trend of increasing sunshine emerges as we move through the year, with the likelihood rising steadily from 31% in January to an impressive 73% in July. By the time August arrives, residents and visitors alike can revel in the summer sun, as the clear skies become a hallmark of the season. Following August, the sun’s presence wanes slightly, dipping to 47% in September, but the peak of summer ensures that August is a prime time for beachgoers and outdoor enthusiasts seeking those golden rays.

Percentage of Sunny Days in August in Castelsardo

The chart illustrates the percentage of sunny days in Castelsardo throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Castelsardo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%49%64%51%53%66%73%74%47%50%35%44%
Data source: Castelsardo August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castelsardo in August

In Castelsardo, Italy, August brings about a delightful transition in daylight duration, with approximately 13 hours of sunlight to enjoy. This month follows the sun-soaked peak of June, which boasts the longest days at 15 hours, and represents a gentle decrease as summer begins to fade. After July's 14 hours of daylight, August maintains a vibrant ambiance, allowing for abundant outdoor activities and picturesque sunsets. As the calendar turns to September, daylight gradually diminishes to 12 hours, signaling the onset of autumn. Overall, the summer months in Castelsardo enjoy a gradual crescendo of light, peaking in June, before transitioning into a more tempered daylight as the seasons shift.

Average Daylight Hours in Castelsardo for August

The chart illustrates the variation in daylight duration in Castelsardo throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 38m11h 57m13h 19m14h 28m15h 3m14h 44m13h 43m12h 25m11h 4m9h 53m9h 16m
Data source: Castelsardo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Castelsardo

In August, Castelsardo experiences a gentle breeze with an average wind speed of 4.0 m/s (9 mph), aligning with the trend of mild winds that characterize the summer months. As the warmest season, August offers a subtle variation compared to the lighter breezes of June and July, where winds dipped to around 3.4 m/s (8 mph) and 3.8 m/s (8 mph) respectively. This slight increase not only brings a refreshing relief from the heat but also enhances the coastal charm of the area. Following August, the wind speed remains consistent through September and October, further solidifying the pleasant atmosphere that summer winds impart in this picturesque Italian town. As the year progresses into November and December, the winds gather strength again, showcasing a seasonal pattern that oscillates between gentle summer breezes and more robust autumn winds.

Average August Wind Speed in Castelsardo

The chart displays monthly wind speed patterns in Castelsardo, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.25.24.44.34.73.43.84.0 m/s4.04.05.35.7
Data source: Castelsardo August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Castelsardo Compares to Other Months

The weather in Castelsardo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Castelsardo and find detailed weather information for every month.

August and January present starkly contrasting weather conditions. In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F) and relatively low precipitation at just 12 mm (0.5 in) over 2 days. The humidity in August hovers around 66%, creating a warm and comfortable atmosphere. In sharp contrast, January sees much cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 17°C (62°F), averaging only 11°C (52°F). This month is much wetter, featuring a significant 68 mm (2.7 in) of precipitation spread over 11 days and higher humidity at 79%. For more detailed information on January weather in Castelsardo, you can check Castelsardo weather in January.

August and February present stark contrasts in weather. In August, temperatures are much warmer, with a minimum of 20°C (68°F) and an average of 25°C (77°F), peaking at 32°C (89°F). The month is relatively dry, experiencing only 12 mm (0.5 in) of precipitation over just 2 days, while the humidity sits at a comfortable 66%.

In contrast, February brings cooler temperatures, with a minimum of 3°C (37°F) and an average of 11°C (53°F), reaching a maximum of 20°C (68°F). This month is significantly wetter, receiving 56 mm (2.2 in) of rain over 8 days, and humidity levels increase to 72%. For more details, visit Castelsardo weather in February.

August and March present contrasting weather conditions. In August, temperatures are significantly warmer, with minimums around 20°C (68°F) and averaging 25°C (77°F), peaking at 32°C (89°F). The humidity is relatively comfortable at 66%, and there is minimal precipitation, only about 12 mm (0.5 in) over just 2 days. In stark contrast, March experiences much cooler temperatures, ranging from a minimum of 4°C (39°F) to an average of 12°C (54°F), with a maximum of 18°C (65°F). Rainfall is more frequent during this month, accumulating to 49 mm (1.9 in) over 8 days, and the humidity is slightly higher at 70%. For more details on the March weather, you can visit Castelsardo weather in March.

Comparing the weather in August and April reveals significant differences in temperature and precipitation. August is typically warm, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 32°C (89°F), accompanied by lower humidity at 66%. In contrast, April experiences cooler temperatures, averaging between 7°C (44°F) and 20°C (68°F), with higher humidity at 74%. Additionally, April sees more precipitation, totaling 44 mm (1.7 in) over about 8 days, whereas August only receives 12 mm (0.5 in) over just 2 days. For more details on the weather in April, you can visit Castelsardo weather in April.

When comparing the weather in August to that in May, notable differences emerge. August typically showcases warmer temperatures, with a minimum of 20°C (68°F) and an average of 25°C (77°F), peaking at a maximum of 32°C (89°F). In contrast, May starts cooler, with minimum temperatures around 10°C (50°F) and an average of 17°C (63°F), reaching a maximum of 27°C (81°F). Precipitation patterns also vary significantly; August experiences minimal rainfall of just 12 mm (0.5 in) over about 2 days, while May sees much higher precipitation at 62 mm (2.4 in) over 7 days, contributing to a slightly higher humidity level of 72% compared to August's 66%. For more detailed insights into the weather in May, you can visit Castelsardo weather in May.

In comparing the weather of August and June, August tends to present warmer temperatures, with a minimum of 20°C (68°F) and an average of 25°C (77°F), while June's temperatures range from a minimum of 15°C (58°F) to an average of 21°C (71°F). The maximum temperatures in August can reach up to 32°C (89°F), surpassing June's high of 28°C (83°F). Precipitation is slightly lower in August, with only 12 mm (0.5 in) over 2 days, compared to June’s 18 mm (0.7 in) over 3 days. Humidity levels are quite similar, with August at 66% and June at 70%. For more detailed information about June weather specifically, you can refer to Castelsardo weather in June.

In comparing the weather between July and August, we see only slight variations. August typically experiences slightly warmer temperatures, with an average of 25°C (77°F) compared to July's 24°C (76°F). Both months have the same maximum temperature of 32°C (89°F), but July sees a marginally cooler minimum at 19°C (67°F) compared to August's 20°C (68°F). Precipitation levels are quite similar as well, with August receiving 12 mm (0.5 inches) on 2 days, slightly more than July's 11 mm (0.4 inches) over the same number of days. The humidity is also comparable but slightly lower in August at 66%, versus July's 69%. For more detailed information, check out Castelsardo weather in July.

August generally brings warmer and drier weather compared to September. The average temperature in August is about 25°C (77°F), with highs reaching up to 32°C (89°F), while September sees a cooler average of 22°C (72°F) and maximum temperatures of 28°C (83°F). Additionally, humidity levels remain relatively similar, with August at 66% and September slightly higher at 68%. However, September experiences a significant increase in precipitation, measuring 61 mm (2.4 in) over six days, compared to August's mere 12 mm (0.5 in) over just two days. For more details, check out Castelsardo weather in September.

In August, the weather is typically warm with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 32°C (89°F) and relatively low precipitation of just 12 mm (0.5 in) over about 2 days. The humidity averages around 66%, making it feel quite comfortable despite the heat. In contrast, October brings cooler temperatures, with averages between 12°C (54°F) and 26°C (79°F). It is also much wetter, with precipitation totaling 57 mm (2.2 in) over 9 days, and the humidity rises to 75%. For more details about the weather in October, you can refer to Castelsardo weather in October.

August offers warm and pleasant weather with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 32°C (89°F), along with relatively low precipitation of just 12 mm (0.5 in) occurring over 2 days. Humidity levels are moderate at 66%, making it a great time for outdoor activities. In contrast, November brings a significant drop in temperatures, with averages around 15°C (59°F) and highs reaching only 21°C (70°F). The month is characterized by much wetter conditions, accumulating 128 mm (5.0 in) of rain spread out over 16 days, alongside a rise in humidity to 78%. The stark contrast between the two months highlights the transition from the warm summer to the cooler, rainier fall months. For more details, you can check Castelsardo weather in November.

In August, the weather is warm and pleasant, with average temperatures sitting around 25°C (77°F) and highs reaching up to 32°C (89°F). The humidity is moderate at 66%, and with only 12 mm (0.5 in) of precipitation spread over just 2 days, it’s generally a dry month. In contrast, December brings a significant drop in temperatures, averaging only 12°C (55°F) and peaking at 18°C (64°F), with a chilly minimum of 7°C (44°F). This month is considerably wetter, receiving 107 mm (4.2 in) of rain across 13 days, and the humidity rises to 76%. For more detailed information, you can visit Castelsardo weather in December.

Compare Castelsardo's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Castelsardo

August in Castelsardo showcases warm and inviting weather, perfect for beachgoers and outdoor enthusiasts. With temperatures peaking around 32°C and a comfortable average of 25°C, it stands out as a vibrant month compared to the cooler and more temperate months leading up to it. Though precipitation is minimal, with only a couple of rainy days throughout the month, humidity levels remain around 66%, adding a pleasant warmth to the air. This makes August an ideal time to explore the stunning coastline and indulge in the local culture. For more insights on the climate throughout the year, check out Castelsardo Climate.