March Weather in Cascais, Portugal

Last updated: February 24, 2025

March in Cascais, Portugal, presents a delightful blend of mild temperatures and refreshing coastal breezes. With maximum temperatures reaching up to 19°C (66°F) and an average of 14°C (57°F), visitors can enjoy comfortable daytime outings, though evenings can dip to a cooler 9°C (49°F). This month also brings 64 mm (2.5 inches) of rainfall across about 8 days, contributing to the region's lush landscapes. With a humidity level averaging 72%, the air feels crisp yet pleasant, making March a great time to explore the scenic beauty of Cascais.

March Temperature in Cascais

In March, Cascais, Portugal begins to shake off the winter chill, with temperatures reflecting the transition to spring. The month starts with a minimum of 9°C (49°F), climbing to a comfortable average of 14°C (57°F), and peaking at around 19°C (66°F). This trend showcases a gradual warming compared to February’s cooler averages, inviting visitors to enjoy outdoor activities in the refreshing coastal air. As the days lengthen and nature awakens, March proves to be a delightful precursor to the sunnier months ahead, making it an ideal time to explore the picturesque landscapes and vibrant culture of Cascais.

March Weather in Cascais: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Cascais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555657586163646465646058
Data source: Temperature data for Cascais 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.

March Precipitation in Cascais

In Cascais, Portugal, March typically ushers in a noticeable increase in precipitation, with an average of 64 mm (2.5 in) falling over 8 days. This marks a slight uptick from February’s 59 mm and reflects the trend of rising rainfall as winter transitions to spring. As the region experiences cooler weather, these early spring showers contribute to the lush landscapes that characterize the area. Looking ahead, April often brings even more rain, averaging 71 mm, suggesting a pattern of increasing precipitation that complements the gradual warming temperatures. Thus, while March may still exhibit a chill in the air, it sets the stage for the vibrant growth that follows in the subsequent months.

March Precipitation Trends in Cascais

The chart displays monthly precipitation patterns in Cascais, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec4259647133123432538973
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Cascais

In March, Cascais, Portugal experiences a comfortable humidity level of 72%, a slight dip from the previous months, indicating the gradual transition from winter to spring. This decline in humidity follows a trend observed from January's high of 85% and February's 75%. As spring unfolds, the humidity continues to lessen, paving the way for drier months ahead, with April and May both settling at an even milder 70%. This trend suggests a welcoming climate, ideal for enjoying the blossoming landscape and outdoor activities, as Cascais shifts towards its sun-kissed summer days.

March Average Humidity in Cascais

This chart illustrates the average monthly humidity levels in Cascais, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Cascais

As March arrives in Cascais, Portugal, the UV Index begins to climb, reaching a notable 6, which signifies a high exposure category. This is a marked increase from February's 5, indicating that sun safety precautions are becoming increasingly important. With a burn time of just 25 minutes, it's essential to be mindful of sun exposure during this month, especially as the days grow longer and sunnier. The trend continues into April, predicting an even higher UV Index of 9. This gradual escalation highlights the approaching summer months, when UV levels can soar dramatically. For detailed insights and tips on how to protect yourself, check out the Cascais UV Index.

Maximum UV Index Levels in Cascais for March

The chart shows the monthly maximum UV Index (UVI) for Cascais in March, 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Cascais March 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.

March Sunshine in Cascais

March is a splendid time in Cascais, Portugal, as the region basks in an impressive 307 hours of sunshine. This marks a notable increase from the 231 hours experienced in February, indicating a vibrant transition into spring. As daylight becomes more abundant, the warmth of the sun sets the stage for an outdoor paradise, embraced by both locals and visitors. Following this trend, April and May further enhance the sun-soaked allure, boasting 351 and 405 hours respectively. With each passing month, the sunshine hours climb, peaking in the summer months. March, therefore, not only showcases striking weather but also hints at the glorious sunshine that lies ahead.

Monthly Sunshine Duration in Cascais: March Highlighted

The March sunshine duration represents the total number of hours Cascais experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec183h231h307h351h405h409h420h395h348h313h236h224h
Data source: Cascais March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cascais During March

In March, Cascais, Portugal begins to embrace the arrival of spring with a 60% chance of sunny weather, signaling a delightful shift from the dreariness of winter months. While January and February see significantly lower probabilities of sunshine at 45% and 24%, respectively, March marks a notable upswing in hope for sunlit days. This trend continues into the spring and summer months, peaking in July with 69% chance of clear skies. Hence, if you're planning a visit, March is an excellent time to experience the gradual warming and an increasing likelihood of delightful sunny days ahead.

Percentage of Sunny Days in March in Cascais

The chart illustrates the percentage of sunny days in Cascais throughout the year, with March 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 Cascais experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%24%60%41%57%65%69%66%66%55%65%39%
Data source: Cascais March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cascais in March

March heralds a delightful transition in Cascais, Portugal, as daylight duration increases to 11 hours, marking the arrival of spring. This month stands as a bridge between the shorter days of winter and the longer, sun-filled days of summer. Following the upward trend from January’s 9 hours to February’s 10 hours, March offers an extra hour of sunlight, creating a vibrant atmosphere for outdoor activities and exploration. As daylight steadily grows, residents and visitors alike can anticipate the 13 hours of sunlight that April brings, signifying the blossoming warmth and life that characterize the season ahead. Enjoy the gradual lengthening of days in March, as it sets the stage for the sun-drenched months to come.

Average Daylight Hours in Cascais for March

The chart illustrates the variation in daylight duration in Cascais throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 17m14h 49m14h 32m13h 36m12h 23m11h 8m10h 2m9h 28m
Data source: Cascais daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Cascais

As March unfolds in Cascais, Portugal, the winds begin to mellow slightly, with an average speed of 6.0 m/s (13 mph), a gentle breeze compared to the brisker 6.9 m/s (15 mph) recorded in the preceding months. This shift signifies a transition as spring draws near, leading into warmer days. Following March, a notable dip occurs in April, where winds drop further to 4.9 m/s (11 mph), showcasing a trend of easterly breezes that promote a more tranquil atmosphere. The variability in wind speeds across the early months hints at the dynamic nature of Cascais' coastal climate, where the rhythm of the seasons is danced upon by the ever-changing winds. As we move into May and June, the winds regain their strength, once again reaching 7.3 m/s (16 mph), reminding us of the vibrant maritime spirit that defines this beautiful region.

Average March Wind Speed in Cascais

The chart displays monthly wind speed patterns in Cascais, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.96.96.0 m/s4.97.37.37.26.45.45.16.56.7
Data source: Cascais March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Cascais Compares to Other Months

The weather in Cascais changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March'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.

In comparing the weather of March and January, March tends to be slightly warmer with average temperatures reaching 14°C (57°F), compared to January's average of 13°C (56°F). Both months experience similar maximum temperatures, with March peaking at 19°C (66°F) and January at 18°C (64°F). However, January has a touch lower humidity at 85%, making it feel a bit drier than March's 72%. Precipitation is more prominent in March, totaling 64 mm (2.5 in) over about 8 days, while January sees 42 mm (1.7 in) across 7 days of rain. For a detailed view of January's weather specifics, you can check out Cascais weather in January.

When comparing the weather in March to February, we see a slight warming trend. In March, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average of 14°C (57°F). In February, temperatures are slightly cooler, with a minimum of 9°C (48°F), a maximum of 17°C (63°F), and an average of 13°C (56°F). Precipitation levels are comparable, with March receiving 64 mm (2.5 in) over 8 days, slightly more than February's 59 mm (2.3 in) across the same number of days. Humidity is also lower in March at 72%, compared to February's 75%. For more details on the February weather, you can refer to Cascais weather in February.

March and April exhibit noticeable differences in weather patterns, although their average temperatures remain relatively close. March sees a minimum temperature of 9°C (49°F) and a maximum of 19°C (66°F), while April starts off slightly warmer with a minimum of 10°C (50°F) and a maximum of 21°C (71°F). In terms of precipitation, April receives a bit more, totaling 71 mm (2.8 in), occurring over 11 days compared to March's 64 mm (2.5 in) over 8 days. Humidity levels are also quite similar, with March recording 72% and April a touch lower at 70%. For those interested in specific details, you can check out the Cascais weather in April.

In comparing the weather of March and May, March tends to be cooler with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F). It also experiences more precipitation, with an average of 64 mm (2.5 in) over about 8 days, and humidity levels around 72%. Conversely, May brings warmer conditions, with temperatures ranging from a minimum of 11°C (53°F) to a peak of 24°C (76°F). Rainfall is significantly less in May, averaging only 33 mm (1.3 in) over about 3 days, and the humidity remains relatively stable at 70%. For more detailed insights, you can check out Cascais weather in May.

In March, the weather is characterized by cooler temperatures, with a minimum of 9°C (49°F) and an average of 14°C (57°F), reaching a maximum of 19°C (66°F). This month experiences relatively higher precipitation, averaging 64 mm (2.5 in) over approximately 8 days, coupled with a humidity level of 72%. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 14°C (58°F) to a comfortable average of 17°C (63°F), peaking at 22°C (72°F). Rainfall is significantly reduced in June, totaling only 12 mm (0.5 in) across just 2 days, and humidity drops to 63%. For more details, check out Cascais weather in June.

March and July present notably different weather patterns. In March, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average of 14°C (57°F). This month sees quite a bit of precipitation, totaling 64 mm (2.5 in) over about 8 days, accompanied by a higher humidity level of 72%. In contrast, July enjoys warmer conditions, with minimum temperatures around 16°C (60°F) and a maximum of 21°C (70°F), averaging 18°C (64°F). Remarkably, July experiences very little rainfall—only 3 mm (0.1 in) with no rainy days—making it drier and less humid at 60%. For more specific insights, you can check out Cascais weather in July.

The weather in March is characterized by cooler temperatures, with averages around 14°C (57°F) and a maximum of 19°C (66°F), as well as notable precipitation of 64 mm (2.5 in) over eight days, leading to a higher humidity level of 72%. In contrast, August sees warmer conditions, with an average temperature of 18°C (65°F) and peaks reaching 23°C (74°F). Rainfall is minimal in August, with only 4 mm (0.1 in) over just a single day, and humidity levels drop to 60%. For more detailed information, you can check Cascais weather in August.

In March, the weather features cooler temperatures with a minimum of 9°C (49°F) and an average of 14°C (57°F), reaching a maximum of 19°C (66°F). The month is marked by higher precipitation, totaling 64 mm (2.5 in) over approximately 8 days, coupled with a humidity level of 72%. In contrast, September offers milder conditions, with minimum temperatures starting at 15°C (60°F) and averaging around 18°C (65°F), peaking at 23°C (74°F). Additionally, September experiences significantly less rainfall, with only 32 mm (1.2 in) spread over just 2 days and a lower humidity of 67%. For those interested in details about September's climate, visit Cascais weather in September.

March and October present notably different weather patterns. In March, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average of 14°C (57°F). This month sees about 64 mm (2.5 in) of precipitation over 8 days, accompanied by a relative humidity of 72%. Conversely, October offers slightly milder conditions with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 23°C (74°F), averaging 18°C (64°F). Precipitation decreases to 53 mm (2.1 in) spread over 6 days, while humidity remains relatively steady at 74%. For more detailed insights, you can check Cascais weather in October.

March and November both feature mild temperatures, but November tends to be slightly warmer overall. In March, the average temperature hovers around 14°C (57°F), with a maximum of 19°C (66°F), whereas November sees an average of 16°C (60°F) and a maximum of 20°C (68°F). Additionally, November experiences higher precipitation with 89 mm (3.5 in) over 11 days compared to March's 64 mm (2.5 in) over 8 days. The humidity is also higher in November at 83%, compared to March's 72%. For a detailed look at November weather in Cascais, check out Cascais weather in November.

In March, the weather typically boasts a mild temperature range with a minimum of 9°C (49°F), an average of 14°C (57°F), and a maximum of 19°C (66°F). It experiences about 64 mm (2.5 in) of precipitation over approximately 8 days, while humidity hovers around 72%. In contrast, December's weather features slightly cooler temperatures, with a minimum of 9°C (49°F), an average of 14°C (58°F), and a maximum of 17°C (63°F). Precipitation increases to 73 mm (2.9 in) spread over about 10 days, and humidity rises to 85%. For a closer look at December’s specific conditions, check out Cascais weather in December.

Compare Cascais's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Cascais

As March ushers in the spring season, Cascais begins to shake off the chill of winter, offering visitors a refreshing blend of mild temperatures and occasional rain. With an average temperature hovering around a comfortable 14°C, this month stands out as a transitional period, bridging the cooler months and the warmer days ahead. While precipitation is still notable, it is less frequent than in winter, providing ample opportunities for outdoor exploration amid the vibrant awakening of nature. The humidity level remains moderate, creating an inviting atmosphere for those looking to enjoy the coastal beauty of this charming town. For comprehensive insights into what to expect throughout the year, check out Cascais Climate.