The climate of Sesimbra
The town of
Sesimbra finds itself in
Portugal, bestowed with a predominating Köppen climate classification of Csa, more commonly referred to as the Mediterranean climate with a hot summer. This signifies that the area is primarily characterized by extended, sizzling summers and mild, somewhat moist winters. The year-round fluctuations in weather components provide a clear representation of Sesimbra's climate.
Throughout the year, the maximum temperature fluctuates from 14.8°C (58.6°F) to 28.8°C (83.8°F) while the minimum temperature ranges from 9.1°C (48.4°F) in winter to 17.3°C (63.1°F) in summer. An intriguing part of Sesimbra's climate is the variations observed in the level of humidity, dipping to its lowest in summers at 64% and peaking in winter and spring at 77%. Average rainfall is most concentrated from
November to
January, with
December experiencing the highest rainfall of 55mm (2.17"). On the contrary, the period from
June to
August is relatively dry.
Besides basic climatic parameters, external environmental factors such as daylight hours, sea temperature, and wind speed provide a comprehensive overview of Sesimbra's climate. The longest daylight duration is observed in June and
July at approximately 14.8 hours, with the shortest period in December, around 9.5 hours. Sea temperatures range from a low of 15.3°C (59.5°F) in
March to an elevated 19.9°C (67.8°F) in
October.
The best time to visit Sesimbra
Given the preferable conditions for outdoor activities, the period from
June to
August is regarded as the best time to visit
Sesimbra. This period brings warm weather, longer daylight hours, and minimal rainfall. Sunshine duration is at its peak, reaching 11.4 hours per day in
July. Despite high temperatures during this period, sea temperatures rise to a delightful 18.7°C (65.7°F) to 18.9°C (66°F), rendering it perfect for swimming and beach activities.
The worst time to visit Sesimbra
The least favorable time for a visit to
Sesimbra is from
November to
January. These months experience cooler temperatures, ranging from 10.3°C (50.5°F) to 9.6°C (49.3°F), along with the heaviest rainfall recorded throughout the year. In
December, the area receives approximately 55mm (2.17") of rainfall spread over 13.3 days. Sunshine hours decrease significantly to around 5.7 hours a day in November.
Spring weather in Sesimbra
Spring in
Sesimbra, extending from
March till
May, is characterized by mild temperatures and a moderate amount of rainfall. The average maximum temperature escalates from 17.6°C (63.7°F) in March to 22.8°C (73°F) in May. Rainfall decreases from 38mm (1.5") in March to 25mm (0.98") in May, with an overall average of 12.8 rainy days in March and
April each, decreasing to 7.4 in May. The season also witnesses an increase in daylight hours from 12 in March to 14.3 hours in May.
Summer weather in Sesimbra
Summers in
Sesimbra, from
June to
August, bear the typical Mediterranean climate stamp, with high temperatures and extremely low rainfall. Temperatures increase steadily from 25.1°C (77.2°F) in June to a peak of 28.8°C (83.8°F) in August, while rainfall drops to a scanty 2mm (0.08") in
July and August.
Autumn weather in Sesimbra
Autumn, from
September to
November, begins with warm temperatures gradually decreasing towards the onset of winter. Temperatures drop from a high of 26.7°C (80.1°F) in September to 17.9°C (64.2°F) in November. Rainfall begins to increase, escalating from 15mm (0.59") in September to the yearly high of 55mm (2.17") in November.
Winter weather in Sesimbra
Winter months from
December to
February in
Sesimbra are typified by cooler temperatures and substantial rainfall. Minimum temperatures hover between 9.6°C (49.3°F) to 10.3°C (50.5°F) making the climate mildly cold. Rainfall is highest in December at 55mm (2.17") with an average of 13.3 days of rain, dropping to 30mm (1.18") by February. Although these months have the shortest daylight hours, the average sunshine duration remains at a fair 5.9 hours in December.
Weather in January
Mild climates and relative calm define
Sesimbra's weather in
January. A subtle chill persists from
December, with rainfall seen on approximately a third of the month's duration. It's a quiet shift with barely noticeable temperature changes from 9.6°C (49.3°F) to 14.8°C (58.6°F).
Weather in January »Weather in February
Sesimbra ushers in
February with a wave of tranquillity, following the mild
January. Unfolding into the year, temperatures subtly ascend to define this month's weather. Compare this with the relatively higher sea temperature of 15.4°C (59.7°F), and it gives a promising outlook for beach aficionados.
Weather in February » Weather in March
As
March takes cue from
February's waning chills,
Sesimbra finds itself amidst a subtle shift from winter to spring. An elevation in relative humidity to 74% marks this transitional phase. The phase doesn't disrupt the region's routine, as apparent from the steady sea temperature.
Weather in March »
Weather in April
In
April, the transition culminates in a seasonal swing, marking its departure from the initial coolness. The weather takes a warm turn with temperatures touching 19.4°C (66.9°F), an appreciable change from
March. With rainfall gradually receding, the area enjoys an encouraging 13.2 hours of daylight, a significant increase from the previous month.
Weather in April »Weather in May
May swoops in as an apparent herald of summer, with longer daylight hours and minimized rainfall issues. A consistently high sea temperature of 17.6°C (63.7°F) confirms the impending warm season. Compared to the humid
April, May decrease the humidity down to 68%.
Weather in May » Weather in June
June truly marks the arrival of summer in
Sesimbra with weather conditions favoring outdoor activities. The marked drop to 7mm (0.28") of rain from the previous month solidifies the summer impression. Visibility conditions thrive, reaching their peak along with sea temperatures that plateau at a comfortable 18.7°C (65.7°F).
Weather in June »
Weather in July
July, deepest into the summer, often sees the warmest temperatures in
Sesimbra. Thermometers may record temperatures striding up to 27.5°C (81.5°F), making this the warmest month of the year. As the humidity continues from
June, rainfall is even scarcer, hitting an annual low.
Weather in July » Weather in August
The splendor of summer extends into
August with slight, almost imperceptible adjustments in weather. Subtle changes synchronize with the 28°C (82.4°F) high temperature, notably marking the peak of summer. Amicable sea temperatures of 19.4°C (66.9°F) blend with the wind's gentle breeze to offset the seasonal heat.
Weather in August »Weather in September
In
September, the weather transitions gradually towards fall while holding the last gasps of summer. Temperatures take a slight dip, marking the departure from the hot
August. A noticeable trend, rain levels begin to escalate in character, with rainfall increasing up to 15mm (0.59").
Weather in September »
Weather in October
October in
Sesimbra signals the clear arrival of autumn, with notable climatic adjustments. Rainfall levels take a significant leap reaching up to 40mm (1.57"), as temperatures continue their descent. Despite lower temperatures and increased rainfall, October maintains a reasonable 16.1°C (61°F) sea temperature.
Weather in October » Weather in November
November brings a more profound sea change, as winter gradually begins to flex its muscles. The temperature continues to chill in contrast to
October, going as low as 12.6°C (54.7°F). The apparent shift in climate showcases through the increased rainfall of 55mm (2.17"), the highest all year.
Weather in November » Weather in December
December marks the close of the year, opening its pages to winter's peak in
Sesimbra. A drop to 10.3°C (50.5°F) as the minimum temperature reaffirms the concepts of winter. Despite a chill in the air, the relative humidity remains consistent with
November.
Weather in December » [Resources]