Monthly weather forecast and climate
Lisbon, Portugal

The beautiful hillside city of Lisbon in Portugal, with a high, far view of the Sao Jorge Castle
The beautiful hillside city of Lisbon in Portugal, with a high, far view of the Sao Jorge Castle

Weather in January

January, the same as December, in Lisbon, Portugal, is a moderate winter month, with average temperature ranging between max 14.8°C (58.6°F) and min 8.3°C (46.9°F). The coldest month is January, with an average high-temperature of 14.8°C (58.6°F) and an average low-temperature of 8.3°C (46.9°F). Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Lisbon, Portugal, with average temperature ranging between max 16.2°C (61.2°F) and min 9.1°C (48.4°F). In February, the average high-temperature is essentially the same as in January - an enjoyable 16.2°C (61.2°F). Weather in February »

Weather in March

The first month of the spring, March, is still a comfortable month in Lisbon, Portugal, with average temperature varying between 18.8°C (65.8°F) and 11°C (51.8°F). In Lisbon, the average high-temperature in March is practically the same as in February - a still enjoyable 18.8°C (65.8°F). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Lisbon, Portugal, with average temperature ranging between max 19.8°C (67.6°F) and min 11.9°C (53.4°F). In April, the average high-temperature is relatively the same as in March - a still enjoyable 19.8°C (67.6°F). Weather in April »

Weather in May

May, the last month of the spring, in Lisbon, is an agreeable month, with average temperature fluctuating between 22.1°C (71.8°F) and 13.9°C (57°F). In May, the average high-temperature is almost the same as in April - an agreeable 22.1°C (71.8°F). Weather in May »

Weather in June

June, the first month of the summer, in Lisbon, is a moderately hot month, with average temperature ranging between max 25.7°C (78.3°F) and min 16.6°C (61.9°F). In June, the average high-temperature slightly increases, from a pleasant 22.1°C (71.8°F) in May, to a moderately hot 25.7°C (78.3°F). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Lisbon, Portugal, with average temperature varying between 18.2°C (64.8°F) and 28.2°C (82.8°F). In Lisbon, the average high-temperature is essentially the same as in June - a still warm 28.2°C (82.8°F). Weather in July »

Weather in August

August, the last month of the summer, in Lisbon, is also a moderately hot month, with average temperature fluctuating between 18.6°C (65.5°F) and 28.3°C (82.9°F). The warmest month is August, with an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 18.6°C (65.5°F). Weather in August »

Weather in September

September, the first month of the autumn, in Lisbon, is also a moderately hot month, with average temperature ranging between min 17.6°C (63.7°F) and max 26.5°C (79.7°F). In Lisbon, the average high-temperature is practically the same as in August - a still moderately hot 26.5°C (79.7°F). Weather in September »

Weather in October

October, the same as September, in Lisbon, Portugal, is an agreeable autumn month, with temperature in the range of an average high of 22.5°C (72.5°F) and an average low of 15.1°C (59.2°F). In Lisbon, the average high-temperature in October marginally drops, from a moderately hot 26.5°C (79.7°F) in September, to an agreeable 22.5°C (72.5°F). Weather in October »

Weather in November

November, the last month of the autumn, in Lisbon, is also an enjoyable month, with average temperature ranging between min 11.8°C (53.2°F) and max 18.2°C (64.8°F). In Lisbon, the average high-temperature marginally drops, from an agreeable 22.5°C (72.5°F) in October, to a comfortable 18.2°C (64.8°F). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Lisbon, Portugal, with temperature in the range of an average low of 9.4°C (48.9°F) and an average high of 15.3°C (59.5°F). In Lisbon, the average high-temperature is almost the same as in November - a mild 15.3°C (59.5°F). Weather in December »
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FAQ

What is the coldest month in Lisbon?

The coldest month in Lisbon, Portugal, is January, with an average high-temperature of 14.8°C (58.6°F) and an average low-temperature of 8.3°C (46.9°F).

How many days does it rain in Lisbon?

In Lisbon, Portugal, during the entire year, the rain falls for 112 days and collects up to 774mm (30.47") of precipitation.

What is the month with the least sunshine in Lisbon?

January, February, November and December, with an average of 5h of sunshine, are months with the least sunshine in Lisbon, Portugal.

What are the months with the lowest UV index in Lisbon?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

When is the sea coldest in Lisbon?

With an average sea temperature of 15.1°C (59.2°F), March is the month with the coldest seawater.

When are the longest days in Lisbon?

June has the longest days of the year in Lisbon, with an average of 14.8h of daylight.

What is the month with the highest UV index in Lisbon?

Months with the highest UV index are June and July, with an average maximum UV index of 9.

What is the driest month in Lisbon?

July is the month with the least rainfall in Lisbon. Rain falls for 2 days and accumulates 4.2mm (0.17") of precipitation.

What are the months with the most sunshine in Lisbon?

July and August, with an average of 11h of sunshine, are months with the most sunshine in Lisbon, Portugal.

What is the warmest month in Lisbon?

With an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 18.6°C (65.5°F), August is the warmest month.

What month is the sea warmest in Lisbon?

September is the month with the warmest seawater in Lisbon, Portugal, with an average sea temperature of 19.9°C (67.8°F).

What is the rainiest month in Lisbon?

The month with the most rainfall is November when the rain falls for 13 days and typically aggregates up to 127.6mm (5.02") of precipitation.

What is the month with the shortest days in Lisbon?

The month with the shortest days is December, with an average of 9.5h of daylight.

Average temperature
Lisbon, Portugal

Average temperature - Lisbon, Portugal

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.8°C).

The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).

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Average rainfall
Lisbon, Portugal

Average rainfall - Lisbon, Portugal

The wettest month (with the highest rainfall) is November (127.6mm).
The driest month (with the least rainfall) is July (4.2mm).

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Average rainfall days
Lisbon, Portugal

Average rainfall days - Lisbon, Portugal

Months with the highest number of rainy days are January, February and December (14 days).
Months with the least rainy days are July and August (2 days).

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Average sea temperature
Lisbon, Portugal

Average sea temperature - Lisbon, Portugal

The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).

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Average daylight / Average sunshine
Lisbon, Portugal

Average daylight / Average sunshine - Lisbon, Portugal

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

Months with the most sunshine are July and August (Average sunshine: 11h).
Months with the least sunshine are January, February, November and December (Average sunshine: 5).

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