Last updated: February 24, 2025
Cascais, Portugal in October offers a mild climate that beckons visitors to enjoy its natural beauty. With maximum temperatures reaching 23°C (74°F) and an average of 18°C (64°F), the weather remains comfortable for outdoor activities. However, the minimum temperatures can dip to 11°C (52°F), inviting a cozy atmosphere in the evenings. While the month sees about 53 mm (2.1 in) of rainfall over 6 days, the humidity level averages a pleasant 74%, ideal for leisurely strolls along the coast or exploring the charming streets. Whether you’re seeking sun or light drizzles, October in Cascais is a delightful time to experience the charm of this coastal paradise.
In Cascais, Portugal, October welcomes a pleasant shift in temperatures, marking the transition from summer's warmth to autumn's crisp embrace. With average temperatures hovering around 18°C (64°F), the month offers a comfortable climate for both locals and visitors. The minimum drops to 11°C (52°F), while highs can reach a lovely 23°C (74°F), reflecting the lingering warmth of summer. This gentle decline in temperature from the peak summer months creates an inviting atmosphere for outdoor activities, making October an ideal time to explore the stunning coastal scenery and charming streets of Cascais. Overall, October embodies a harmonious balance of warmth and coolness, perfect for enjoying the beautiful Portuguese landscape.
October in Cascais, Portugal, marks a transitional phase as the summer heat gives way to increasing rainfall, with 53 mm (2.1 in) of precipitation recorded over approximately 6 days. The month sits comfortably in the middle of the rainfall spectrum, showing a slight uptick from September's 32 mm (1.2 in), yet significantly less than the impending winter months, particularly November, which averages 89 mm (3.5 in). This pattern highlights a shift from the dry summer, where July and August barely saw any rain, to a more variable autumn climate. As the days grow cooler and the landscape turns lush, October serves as a prelude to the wetter months ahead, offering a refreshing contrast to the preceding dry spell.
In Cascais, Portugal, October marks a notable transition in humidity levels, with a moderate 74% humidity that sits comfortably between the summer lows and the colder months ahead. This increase from the summer months—where humidity dips to 60% in July and August—indicates the onset of autumn, bringing back a touch of moisture to the coastal air. Following a slight rise in September, October's humidity begins to align more closely with the winter months, which see levels soar to 83% in November and 85% in December. This trend reflects Cascais's characteristic climate, where the warm, dry summers gradually give way to the cooler, often more humid conditions of fall and winter, creating a dynamic and inviting atmosphere for visitors and locals alike.
In October, Cascais experiences a UV Index of 6, which falls into the high exposure category with a recommended burn time of 25 minutes. This marks a notable decline from the peak intensity seen in the summer months, where UV levels reached an extreme of 11 in June. Unlike the scorching highs of July and August, October's UV Index suggests a gradual easing into autumn, yet it's still essential to remain cautious when enjoying outdoor activities. As the days cool down, this month provides a perfect opportunity to savor the mild weather while staying mindful of sun protection. For more insights on UV levels throughout the year, check out Cascais UV Index.
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October in Cascais, Portugal, continues the region's trend of abundant sunshine, boasting 313 hours of bright daylight. This marks a gentle decline from the sun-soaked peak of 420 hours in July, yet still offers a luminous atmosphere ideal for outdoor exploration. As the summer warmth gives way to the crispness of autumn, visitors can enjoy the scenic coastline and charming architecture bathed in soft golden light. With September's 348 hours preceding October, the month beautifully bridges the warmth of summer to the cooler embrace of winter, ensuring that those seeking late-season adventures can revel in the stunning vistas and vibrant culture that Cascais has to offer.
In October, Cascais, Portugal, enjoys a 55% chance of sunny weather, making it one of the more promising months for outdoor activities. This sunny potential is slightly lower than the peak summer months of July and August, which boast 69% and 66% likelihoods of sun respectively, yet it stands out favorably against the greyer winter months. Notably, as the year progresses from the grassy greens of spring with 60% in March, sun chances dip to a low of 24% in February, then climb again as summer sets in, creating a delightful climate for visitors in October. Therefore, while late summer might shine brightest, October still holds its own as a splendid time to soak up the sun in this charming coastal town.
As October arrives in Cascais, Portugal, daylight starts to wane, offering about 11 hours of sunlight—a gentle decline from the summer's peak. This trend marks a transition from the sunny days of July and August, which enjoy maximum daylight, to the shorter hours of winter. Interestingly, while October may signify shorter days, it retains a comforting brightness reminiscent of the lovely autumn months. The gradual reduction in daylight from the dazzling 14 hours in summer to 10 hours by November hints at the changing season, inviting locals and visitors alike to embrace the rich colors and crisp air of fall.
As October unfolds in Cascais, Portugal, the wind begins to soften, with average wind speeds dipping to 5.1 m/s (11 mph). This gentle breeze is a departure from the energetic gusts of spring and summer, where speeds consistently hovered around 6.9 m/s (15 mph) and higher. As the warmer months fade, October’s winds mark a transition into more serene conditions, inviting visitors to enjoy the breathtaking coastal views without the typical summer bluster. Interestingly, the month follows a trend of declining wind intensity, as September saw an average of 5.4 m/s (12 mph), setting the stage for a more tranquil autumn atmosphere. With nature's palette shifting and breezes calming, October makes for a picturesque time to explore the beauty of Cascais.
The weather in Cascais changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Cascais and find detailed weather information for every month.
October generally offers milder temperatures than January, with average highs around 18°C (64°F) and reaching up to 23°C (74°F), compared to January's milder range of 13°C (56°F) to a maximum of 18°C (64°F). Additionally, October experiences slightly more precipitation, with an average of 53 mm (2.1 in) over 6 days, while January sees 42 mm (1.7 in) over 7 days. Humidity levels are notably higher in January at 85%, compared to October's 74%. For more details, you can check Cascais weather in January.
October and February display notable differences in weather patterns. October boasts a warmer temperature range, with minimums around 11°C (52°F) and maximums reaching up to 23°C (74°F), whereas February is cooler, with lows of 9°C (48°F) and highs peaking at 17°C (63°F). Additionally, October experiences slightly less precipitation, averaging 53 mm (2.1 in) over 6 days compared to February's 59 mm (2.3 in) spread over 8 days. Humidity levels in both months are similar, hovering around 74% in October and 75% in February, maintaining an overall moist climate. For further details, you can check out Cascais weather in February.
In comparing the weather between October and March, October typically enjoys slightly warmer temperatures with averages reaching 18°C (64°F) compared to March's average of 14°C (57°F). While October has a maximum temperature of 23°C (74°F), March peaks at a lower 19°C (66°F). Rainfall is also a notable difference; October experiences about 53 mm (2.1 in) over 6 days, whereas March sees increased precipitation of 64 mm (2.5 in) across 8 days. Despite the differences, both months maintain relatively high humidity, with October at 74% and March at 72%. For more detailed weather information, check out Cascais weather in March.
In October, temperatures in the region typically range from a minimum of 11°C (52°F) to a maximum of 23°C (74°F), with an average of 18°C (64°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 6 days, accompanied by a humidity level of 74%. In contrast, April features slightly cooler temperatures, with a minimum of 10°C (50°F) and an average of 14°C (58°F), peaking at 21°C (71°F). Precipitation is higher at 71 mm (2.8 in), spread across 11 days, while humidity is relatively lower at 70%. For more detailed information, check out Cascais weather in April.
October and May showcase a delightful transition in weather, each with its unique characteristics. In October, temperatures range from a minimum of 11°C (52°F) to a maximum of 23°C (74°F), averaging at 18°C (64°F) and accompanied by about 53 mm (2.1 in) of precipitation over six days, with humidity levels around 74%. In contrast, May features a slightly lower average temperature of 16°C (61°F), with minimums maintaining at 11°C (53°F) and highs reaching 24°C (76°F). Precipitation in May is less significant, totaling around 33 mm (1.3 in) over just three days, and the humidity is somewhat lower at 70%. For those interested in exploring the pleasant May weather, more details can be found here: Cascais weather in May.
In October, the weather is characterized by slightly cooler temperatures compared to June, with an average of 18°C (64°F), while June sees a similar average of 17°C (63°F). October experiences a wider range of temperatures, with a minimum of 11°C (52°F) and a maximum of 23°C (74°F), whereas June has a minimum of 14°C (58°F) and a maximum of 22°C (72°F). Additionally, October is notably wetter, recording 53 mm (2.1 in) of precipitation over 6 days, while June is much drier with only 12 mm (0.5 in) over just 2 days. The humidity is also higher in October at 74%, compared to June's 63%. For a detailed look at June weather, visit Cascais weather in June.
In comparison to July, October offers cooler temperatures, with a minimum of 11°C (52°F) compared to July's minimum of 16°C (60°F), while the average temperature remains the same at 18°C (64°F). October also experiences more variability in weather, with an average maximum of 23°C (74°F) and an expected 53 mm (2.1 in) of precipitation spread over about 6 days, whereas July is much drier, boasting just 3 mm (0.1 in) of precipitation, entirely without rain. Additionally, humidity levels are higher in October at 74%, compared to July’s 60%, making October feel a bit more humid and changeable. For a closer look at July’s climate, you can visit Cascais weather in July.
When comparing the weather in October and August, we notice some distinct differences. October experiences cooler temperatures, with a minimum of 11°C (52°F) compared to August's milder minimum of 16°C (61°F). Both months have the same maximum temperature of 23°C (74°F), but October's average is slightly lower at 18°C (64°F) versus August's average of 18°C (65°F). Precipitation also varies significantly; October sees 53 mm (2.1 in) over about 6 days, while August is much drier with only 4 mm (0.1 in) over just 1 day. Humidity levels are higher in October at 74%, compared to 60% in August, contributing to a more damp feel in the air. For a detailed look at August weather, visit Cascais weather in August.
In comparing the weather of October and September, we can see some notable differences. October brings slightly cooler temperatures, with a minimum of 11°C (52°F) compared to September's 15°C (60°F). However, the average temperature remains similar at 18°C (64°F) for both months, and the maximum temperature peaks at 23°C (74°F). October experiences more precipitation, totaling 53 mm (2.1 in) over 6 days, whereas September is drier with only 32 mm (1.2 in) over just 2 days. Additionally, humidity levels increase in October to 74%, up from September's 67%. For more detailed information, you can visit Cascais weather in September.
October and November present a notable shift in weather patterns. In October, temperatures range from a minimum of 11°C (52°F) to a maximum of 23°C (74°F), with an average of 18°C (64°F). Precipitation is moderate at 53 mm (2.1 in) over approximately 6 days, and humidity levels are around 74%. In contrast, November sees a slight drop in average temperature to 16°C (60°F) and maximum temperatures peaking at 20°C (68°F), while the minimum remains steady at 11°C (53°F). This month experiences increased rainfall of 89 mm (3.5 in) across 11 days and higher humidity at 83%. For more details on weather conditions, check out Cascais weather in November.
October typically showcases milder weather with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 23°C (74°F), while experiencing lower humidity at 74%. The month receives about 53 mm (2.1 in) of precipitation over roughly six days, making it relatively dry compared to December. In contrast, December sees cooler average temperatures, peaking at 17°C (63°F) and dropping to a minimum of 9°C (49°F). The month is characterized by higher humidity at 85% and increased precipitation, totaling 73 mm (2.9 in) spread over approximately ten days. For a detailed look at the weather conditions, you can refer to Cascais weather in December.
As October unfolds in Cascais, the weather takes on a more mild and temperate character, offering a pleasant escape from the intense summer heat. With average temperatures hovering around a comfortable 18°C (64°F), this month presents a delightful transition to cooler days while still allowing for outdoor activities. Although you may encounter a bit of rain, with about 53 mm of precipitation over approximately six days, the higher humidity levels contribute to a refreshing coastal atmosphere. Compared to the sweltering summer months, October is a time to embrace the changing seasons, making it an ideal moment to explore the region's natural beauty. For more insights into the changing weather patterns throughout the year, visit Cascais Climate.