Climate and monthly weather forecast
Portugal

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The climate of Portugal

Portugal, situated on the Iberian Peninsula in Southwestern Europe, is known for its varied topography and climatic conditions, including coastal plains and mountain ranges. With its Mediterranean climate, Portugal's weather oscillates between mild, rainy winters and warm, dry summers. The warmest month is typically August, with temperatures averaging 23°C (73.4°F). Conversely, the chilliest month is usually January, with averages of about 11.3°C (52.3°F). Despite this, winter temperatures seldom plummet below freezing, making Portugal's weather relatively mild year-round. On average, Portugal receives approximately 726mm (28.58") of rainfall annually, the majority of which occurs in the wetter winter months, particularly December.

The best time to visit Portugal

For travellers seeking sunny, pleasant weather, the best time to visit Portugal is during the late spring and early summer months, specifically from May to June. During this period, the temperatures hover comfortably between 18°C (64.4°F) to 25°C (77°F). The precipitation is relatively low, especially compared to the autumn and winter months, leading to more sunny days and less rain. The summer heat has not yet reached its peak, making outdoor exploration and sightseeing more enjoyable. Crowds are also usually less during this time compared to the high summer season, allowing for a more relaxed exploration of Portugal's landmarks and cities.

The worst time to visit Portugal

Visitors may find the winter months from December to February less appealing due to increased rainfall and lower temperatures. The precipitation level reaches its peak in December, which might hinder outdoor activities. January is the coldest month with an average temperature of 11.3°C (52.3°F), which can be considered quite chilly for sightseeing. Also, some tourist attractions may have shorter hours or be closed during this time. However, if visitors do not mind cooler and wetter conditions, they might still find charm in Portugal's winter season.

Spring weather in Portugal

In Portugal, the spring season, from March to May, is a time of transition from the cooler and rainier winter months to the dry and warm summer. The temperatures gradually rise, ranging from 15°C (59°F) in March to 20°C (68°F) in May. The frequency of rainfall also decreases during this period, making the days sunnier and brighter. This weather is favourable for outdoor activities, such as exploring the countryside or coastal regions, and witnessing the bloom of wildflowers and almond trees.

Summer weather in Portugal

The summer in Portugal, from June to August, is characterized by warm, dry conditions. The heat peaks in August with an average temperature of 23°C (73.4°F), although temperatures can occasionally rise to as high as 41.5°C (106.7°F). The rainfall is minimal during this period, with July being the driest month. The weather is ideal for beach vacations along the Portuguese coastline, particularly in the Algarve region. However, due to the heat, it is recommended to stay hydrated and avoid outdoor activities during the hottest parts of the day.

Autumn weather in Portugal

Autumn in Portugal, from September to November, is a transitional period between the warm summer and the cooler, wetter winter. During these months, the temperatures gradually decrease from 23°C (73.4°F) in September to 15°C (59°F) in November. Rainfall begins to increase, especially in November, signaling the onset of the wetter winter season. The autumn months offer a mix of summer's warmth and winter's moisture, making it a good time to visit for those who prefer milder temperatures and fewer crowds.

Winter weather in Portugal

Portugal's winter, from December to February, is characterized by mild temperatures and higher levels of precipitation. January is typically the coldest month, with average temperatures of 11.3°C (52.3°F). December sees the most rainfall, with an average of 122mm (4.8"). The weather during this time is cooler and wetter compared to the rest of the year, making it less ideal for outdoor activities. However, this season provides an opportunity to experience Portugal's cultural indoor activities and holiday festivities, which are in full swing, particularly around Christmas and New Year.

Weather in January

January is the coldest month in Portugal, marked by lower temperatures and considerable precipitation. The average temperature across the country is around 11.3°C (52.3°F), but temperatures can vary notably between different regions. Weather in January »

Weather in February

February in Portugal marks the transition period towards spring, with a slight increase in temperatures and a decrease in precipitation compared to January. The average temperature across the country begins to rise, averaging 12°C (53.6°F). Weather in February »

Weather in March

March in Portugal signals the beginning of the spring season, characterized by a noticeable rise in temperatures and a further decrease in precipitation. The average temperature across the country starts to climb, hovering around 14°C (57.2°F). Weather in March »

Weather in April

April in Portugal continues the transition into spring, with temperatures steadily rising and precipitation levels decreasing. The countrywide average temperature is around 15.5°C (59.9°F), but variations are noticeable between coastal and interior regions. Weather in April »

Weather in May

May in Portugal welcomes the onset of warmer conditions, marking the transition towards summer. The national average temperature during this month rises to 18°C (64.4°F). Coastal cities like Lisbon and Porto continue to exhibit milder weather with Lisbon experiencing temperatures from 14°C (57.2°F) to 23°C (73.4°F), and Porto's temperatures ranging from 11°C (51.8°F) to 20°C (68°F). As Portugal heads into its dry season, the rainfall in May continues to decrease. Weather in May »

Weather in June

June in Portugal marks the commencement of summer, with temperatures increasing significantly and rainfall reaching its annual low. The countrywide average temperature for this month is around 21°C (69.8°F). The coastal cities, such as Lisbon and Porto, offer milder climates compared to the interior regions. Weather in June »

Weather in July

July is the peak of the summer season in Portugal, featuring high temperatures and minimal rainfall. The national average temperature for this month sits at 24°C (75.2°F). Coastal cities such as Lisbon and Porto provide a somewhat cooler environment than the inland regions. Weather in July »

Weather in August

August in Portugal continues the peak summer season, with high temperatures and extremely low levels of precipitation. The average temperature across the country during this month is approximately 24.5°C (76.1°F). Coastal cities such as Lisbon and Porto experience somewhat milder climates compared to the hotter inland regions. Weather in August »

Weather in September

September in Portugal marks the transition from summer to autumn, characterized by gradually decreasing temperatures and slightly increased rainfall. The average temperature across the country is around 22°C (71.6°F) during this month. Weather in September »

Weather in October

October in Portugal welcomes the full onset of the autumn season, with temperatures continuing to drop and rainfall steadily increasing. The average temperature nationwide during this month is around 18°C (64.4°F). Coastal cities such as Lisbon and Porto usually provide a more temperate climate. Weather in October »

Weather in November

November in Portugal signals the deepening of autumn and the approach of winter, marked by lower temperatures and increased rainfall. The countrywide average temperature for this month drops to 14°C (57.2°F). Coastal cities such as Lisbon and Porto continue to experience milder weather, with Lisbon's temperatures typically ranging from 11°C (51.8°F) to 18°C (64.4°F), while Porto sees temperatures between 8°C (46.4°F) to 15°C (59°F). Rainfall in November increases significantly compared to October, with Lisbon receiving an average of about 110mm (4.33") and Porto experiencing substantially more at approximately 160mm (6.3"). Weather in November »

Weather in December

December in Portugal signifies the onset of winter, characterized by lower temperatures and the highest level of rainfall for the year. The countrywide average temperature during this month hovers around 11°C (51.8°F). Coastal cities such as Lisbon and Porto tend to have milder winter conditions, with Lisbon experiencing temperatures from 8°C (46.4°F) to 15°C (59°F), and Porto's temperatures ranging between 5°C (41°F) to 14°C (57.2°F). Rainfall in December is significantly high, with Lisbon receiving an average of about 120mm (4.72") and Porto observing even higher levels at 180mm (7.09"). Weather in December »
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Portugal

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