Last updated: January 18, 2025
Lisbon, Portugal, experiences a Mediterranean climate characterized by its Köppen-Geiger classifications of Csa and Csb. The city boasts an average annual temperature of 16°C (61°F), with notable seasonal variations. January presents the coldest temperatures, occasionally dipping to a frigid -3°C (26°F), while the peak of summer in August can soar to a scorching 45°C (113°F). This dynamic climate provides a rich tapestry of weather patterns, making Lisbon a unique destination for climate enthusiasts and tourists alike.
Temperature patterns in Lisbon, Portugal, exhibit a marked seasonal variation that characterizes its Mediterranean climate. In the winter months of January and February, temperatures begin quite cool, with minimums ranging from -3°C (26°F) to 0°C (33°F), while average highs gradually rise from 11°C (53°F) to 13°C (55°F). As spring approaches in March and April, conditions warm significantly, with temperatures reaching maximums of 29°C (85°F) and 31°C (88°F), respectively. Early summer continues this upward trend, peaking in August when temperatures soar to an impressive 45°C (113°F). The transition into autumn brings a gradual cooling as September and October average around 20°C (69°F) and 18°C (65°F), before dropping again during winter months. Overall, Lisbon's climate demonstrates a distinct rhythm, oscillating between mild winters, warm springs, intense summers, and temperate autumns.
Cascais experiences mild temperatures, with a minimum of 7°C (45°F) in January and a maximum of 24°C (76°F) in May, making it a pleasant destination during spring. In contrast, Lisbon has a broader temperature range, dipping to 3°C (38°F) in January and reaching a sweltering 35°C (95°F) in August, highlighting its hot summer season. Similarly, Sintra shares Cascais's spring temperatures, also recording a minimum of 7°C (45°F) in January and a maximum of 24°C (76°F) in May. For more details, you can check the monthly temperatures in Cascais, monthly temperatures in Lisbon, and monthly temperatures in Sintra.
Precipitation in Lisbon, Portugal, exhibits a clear seasonal pattern, with the majority of rainfall concentrated in the autumn and winter months. January starts the year with 38 mm (1.5 in) of rain over approximately 5 days, followed by February, which experiences a slight increase to 53 mm (2.1 in) over 7 days. March and April continue this trend, peaking at 76 mm (3.0 in) of rain in April, when precipitation days also max out at 12, highlighting the wetness of the spring. As May approaches, rainfall decreases significantly to 38 mm (1.5 in), and the dry summer months of June, July, and August see minimal precipitation, with July and August reporting virtually no rainfall.
As autumn transitions back in September, precipitation increases once more to 28 mm (1.1 in) over 2 days, followed by a notable rise in October to 49 mm (1.9 in) with 5 rainy days. November is the wettest month, recording 83 mm (3.3 in) of rainfall spread across 11 days, while December sees 63 mm (2.5 in) over 8 days. This cyclical rainfall pattern underscores Lisbon's characteristic Mediterranean climate, where wet winters and dry summers are prominent, contributing to the city’s lush landscapes contrasted with its sun-kissed summer months.
Sunshine duration in Lisbon, Portugal, reveals a captivating seasonal progression, with a clear increase in hours as the year unfolds. Starting with 182 hours in January, sunlight gradually escalates month by month. By February, sunshine rises to 229 hours, and as spring arrives, March and April witness a significant uplift, recording 306 hours and 353 hours respectively. This steady ascent culminates in May, when the city basks in 407 hours of sunshine, laying the groundwork for the full splendor of summer.
The warm summer months of June and July showcase the peak of sunshine in Lisbon, with July reaching an impressive 422 hours. Although August experiences a slight dip to 395 hours, it remains part of a sun-soaked spell, ensuring vibrant outdoor pursuits for residents and tourists alike. As autumn sets in, sunshine begins to decline once more, with September and October seeing 349 hours and 313 hours, respectively. By November and December, the city sees a significant reduction in sunlight, with only 233 hours and 221 hours, marking the transition into winter. This dynamic seasonal variation not only highlights the allure of Lisbon’s Mediterranean climate but also sets the perfect backdrop for outdoor activities throughout the sunnier months.
The UV Index in Lisbon, Portugal, demonstrates a significant seasonal shift, reflecting the intensity of sun exposure throughout the year. Starting with a moderate Index of 3 in January and December, and 5 in February, the beginning of the year prompts a cautious approach to sun exposure, with a burn time of 30 minutes. However, as spring approaches, the index escalates, peaking in April at a striking 9, categorized as very high, which decreases burn time to just 15 minutes. May continues this trend, reaching a maximum of 10, emphasizing the need for sun protection as the temperatures rise.
With the onset of summer, particularly in June and July, Lisbon experiences an extreme UV Index of 11, significantly decreasing the safe burn time to just 10 minutes. This extreme level persists, reminding residents and visitors of the necessity for protective measures against harmful UV rays during outdoor activities. As the summer wanes into August and September, the index remains high, averaging 9 and 8 respectively. October sees a reduction back to 6, while late autumn brings a further decrease to 4 in November. Understanding these UV Index variations is crucial for enjoying Lisbon's sunny days while protecting skin health year-round.
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Daylight duration in Lisbon, Portugal, showcases a rhythmic seasonal variation that enhances the city’s appeal throughout the year. Beginning with approximately 9 hours of daylight in January and December, the amount of natural light gradually increases as spring approaches, reaching 10 hours in February and 11 hours in March. By April, daylight expands further to 13 hours, signaling the onset of longer days that set the stage for the vibrant summer months. May holds steady with 14 hours of daylight, a duration that remains consistent through June and July, offering ample time for outdoor activities.
As summer transitions into autumn, daylight begins to decline, with August seeing a slight decrease back to 13 hours. September follows with 12 hours, and October continues the downward trend, dropping back to 11 hours. By November, daylight reduces further to 10 hours, ultimately circling back to 9 hours in January, completing the cycle. This fluctuation not only illuminates Lisbon's stunning landscapes but also plays a critical role in shaping the city’s lifestyle and seasonal festivities, inviting residents and visitors to embrace its diverse offerings.
Azenhas do Mar, Portugal, experiences a Mediterranean climate characterized by mild winters and warm summers. January temperatures range from a minimum of 7°C to a maximum of 18°C, with average precipitation peaking in November at 89 mm. The region enjoys abundant sunshine, especially in the summer months, with July receiving around 420 hours. Rainfall is minimal during the summer, with only 3 mm in July. For more detailed information, visit Azenhas do Mar climate.
Benfica, Portugal, experiences a Mediterranean climate characterized by mild winters and warm summers. January temperatures range from a minimum of 3°C (38°F) to a maximum of 19°C (66°F), while August sees much warmer averages, peaking at 35°C (95°F). Rainfall is heaviest in the winter months, particularly in November, with 80 mm (3.2 in) of precipitation, and significantly decreases during the summer. The region boasts ample sunshine, with July receiving the most hours at 423. For more details, visit Benfica climate.
Cadafais, Portugal experiences a range of temperatures throughout the year, with January averages around 10°C (50°F) and peak summer months like August reaching up to 22°C (72°F) on average. The region sees its highest rainfall in April and November, recording around 83 mm (3.3 in) and 84 mm (3.3 in), respectively. Although precipitation is more frequent in the winter months, the area enjoys abundant sunshine, particularly from May to July, with June witnessing up to 409 hours. Overall, Cadafais has a Mediterranean climate characterized by warm summers and mild winters. For more details, visit Cadafais climate.
Carcavelos, Portugal enjoys a Mediterranean climate characterized by mild winters and warm summers. January temperatures range from 3°C (38°F) to 19°C (66°F), while July sees highs of up to 35°C (95°F). Precipitation is heaviest in the winter months, peaking at 80 mm (3.2 in) in November, while summers remain dry with minimal rainfall. The area receives abundant sunshine, especially in June and July, averaging over 400 hours per month. For more detailed information, visit Carcavelos climate.
Cascais, Portugal enjoys a Mediterranean climate marked by mild winters and warm summers. Temperatures range from a minimum of 7°C (45°F) in January to a peak of 24°C (76°F) in May. The region experiences varying rainfall, with the wettest months being November and April, while July and August see minimal precipitation. Sunshine is abundant, with July boasting around 420 hours of sunlight, making it a great destination for outdoor activities. For more details, visit Cascais climate.
Colares, Portugal experiences a temperate climate with mild winters and warm summers. January temperatures range from a chilly 7°C (45°F) to a maximum of 18°C (64°F), while July sees averages of 18°C (64°F) and peaks at 21°C (70°F). Precipitation is highest in November with 89 mm (3.5 in), while June and July are notably dry with only 12 mm (0.5 in) and 3 mm (0.1 in), respectively. The region enjoys ample sunshine, peaking in July with 420 hours of sun. For more detailed information, visit Colares climate.
Ericeira, Portugal experiences a mild maritime climate with average temperatures ranging from 13°C (55°F) in winter to 18°C (64°F) during summer. The region sees its highest precipitation in November (99 mm), while July and August are the driest months, with only 6 mm of rain. Sunlight is abundant, especially in the summer, boasting up to 420 hours in July. This pleasing climate makes Ericeira an attractive destination year-round, perfect for both recreational activities and relaxation. For more detailed information, visit Ericeira climate.
Estoril, Portugal features a mild Mediterranean climate with average temperatures ranging from 13°C (56°F) in January to 18°C (64°F) in October. Summer months, particularly July and August, see warmer averages of 18-21°C (64-70°F), while winter temperatures seldom drop below 7°C (45°F). Precipitation varies throughout the year, peaking in November with 89 mm (3.5 in) and declining significantly during the dry summer months. The region enjoys ample sunshine, especially from May to July, with over 400 hours per month. For more information, visit Estoril climate.
Famoes, Portugal experiences a Mediterranean climate characterized by mild, wet winters and warm, dry summers. Average temperatures range from a chilly 3°C (38°F) in January to a hot 35°C (95°F) in August. Precipitation peaks from November to April, with March and April receiving the most rain, while summer months see significantly less, particularly in July and August. The area enjoys abundant sunshine, with June and July having over 400 hours per month. For more details, visit Famoes climate.
Lisbon experiences a Mediterranean climate with mild winters and warm summers. January temperatures range from 3°C to 19°C, while August sees highs up to 35°C. Precipitation is highest from November to April, with April receiving about 73 mm, while summer months are much drier, particularly July and August, with only 5 mm and 3 mm, respectively. Sunshine is abundant, with July boasting around 423 hours, making it the sunniest month. For more detailed information, visit Lisbon climate.
Mafra, Portugal experiences a Mediterranean climate characterized by mild winters and warm summers. January temperatures range from a minimum of 2°C (35°F) to a maximum of 19°C (67°F), while August sees highs up to 36°C (97°F). Precipitation is heaviest in the spring and late fall, peaking in November with 88 mm (3.5 in), while summer months are relatively dry. The region enjoys ample sunshine, particularly in July, which boasts 420 hours. For more detailed information, visit Mafra climate.
Monte Estoril, Portugal, enjoys a Mediterranean climate characterized by mild winters and warm summers. Average temperatures range from a low of 7°C (45°F) in January to a high of 24°C (76°F) in May. Rainfall is most significant from November to April, with January and November recording the highest precipitation at 42 mm (1.7 in) and 89 mm (3.5 in) respectively. Sunshine is abundant, particularly in the summer months, offering around 420 hours in July. For more detailed information, visit Monte Estoril climate.
Queluz, Portugal, experiences a Mediterranean climate characterized by mild winters and warm summers. January sees average temperatures around 12°C (53°F), rising to a peak of 35°C (95°F) in August. Precipitation is relatively high from November to April, with April receiving the most at 73 mm (2.9 in), while summer months remain dry, particularly July and August with just 5 mm (0.2 in) and 3 mm (0.1 in) respectively. The area enjoys significant sunshine, especially in summer, with July averaging 423 hours. For more detailed information, visit Queluz climate.
Sao Bartolomeu, Portugal experiences a Mediterranean climate characterized by mild, wet winters and warm, dry summers. January temperatures range from a chilly 3°C to a comfortable 19°C, with an average of 11°C, while peak summer months like July and August see highs around 32-33°C. Precipitation is highest in the winter months, peaking in November at 90 mm, and remarkably low in the summer, with just 6 mm in August. Sunshine is abundant, particularly in July, which boasts around 420 hours, making it the sunniest month. For more details on the climate, visit Sao Bartolomeu climate.
The climate in Sintra, Portugal, is characterized by mild temperatures and significant rainfall throughout the year. January sees average temperatures around 13°C (56°F) and the highest precipitation of 64 mm (2.5 in) in March, while the driest months are July and August, with only 3 mm (0.1 in) and 4 mm (0.1 in) of rain, respectively. Summer months, particularly July, offer the most sunshine, averaging 420 hours. In contrast, November experiences the highest rainfall at 89 mm (3.5 in). For more detailed information, visit Sintra climate.
In conclusion, Lisbon's climate presents a captivating blend of warm summers, mild winters, and a distinct Mediterranean character, evidenced by its temperature variability, precipitation patterns, sunshine duration, UV Index, and daylight hours. The city’s weather not only shapes the local environment but also enhances the quality of life for its inhabitants and the experiences of visitors. As Lisbon transitions from one season to the next, the interplay between these climatic elements creates a vibrant atmosphere that invites exploration and outdoor enjoyment throughout the year. By understanding these climatic trends, individuals can better appreciate and adapt to the unique beauty that Lisbon has to offer, making it a cherished destination for all who venture there.