Monthly weather forecast and climate
Porto, Portugal

Ships docked along the shores on the coastal city of Porto, Portugal
Ships docked along the shores on the coastal city of Porto, Portugal

Weather in January

January, the same as December, in Porto, Portugal, is a moderate winter month, with average temperature ranging between min 5.2°C (41.4°F) and max 13.8°C (56.8°F). The coldest month is January, with an average high-temperature of 13.8°C (56.8°F) and an average low-temperature of 5.2°C (41.4°F). Weather in January »

Weather in February

February, the last month of the winter, in Porto, is another mild month, with temperature in the range of an average high of 15°C (59°F) and an average low of 5.9°C (42.6°F). In Porto, Portugal, the average high-temperature is practically the same as in January - a still mild 15°C (59°F). Weather in February »

Weather in March

March, the first month of the spring, in Porto, is a comfortable month, with temperature in the range of an average low of 7.8°C (46°F) and an average high of 17.4°C (63.3°F). In March, the average high-temperature is relatively the same as in February - an enjoyable 17.4°C (63.3°F). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Porto, Portugal, with average temperature ranging between min 9.1°C (48.4°F) and max 18.1°C (64.6°F). In April, the average high-temperature is practically the same as in March - a still comfortable 18.1°C (64.6°F). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Porto, Portugal, with average temperature ranging between min 11.6°C (52.9°F) and max 20.1°C (68.2°F). In Porto, Portugal, the average high-temperature is relatively the same as in April - a pleasant 20.1°C (68.2°F). Weather in May »

Weather in June

June, the first month of the summer, in Porto, is a moderately hot month, with average temperature fluctuating between 14.5°C (58.1°F) and 23.5°C (74.3°F). In June, the average high-temperature slightly increases, from an agreeable 20.1°C (68.2°F) in May, to a warm 23.5°C (74.3°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Porto, Portugal, with average temperature varying between 25.3°C (77.5°F) and 15.9°C (60.6°F). In July, the average high-temperature is practically the same as in June - a still warm 25.3°C (77.5°F). Weather in July »

Weather in August

August, the last month of the summer, in Porto, is another warm month, with temperature in the range of an average low of 15.9°C (60.6°F) and an average high of 25.7°C (78.3°F). With an average high-temperature of 25.7°C (78.3°F) and an average low-temperature of 15.9°C (60.6°F), August is the warmest month. In Porto, Portugal, during 5 rainfall days, 32.9mm (1.3") of precipitation is typically accumulated. Weather in August »

Weather in September

September, the first month of the autumn, in Porto, is also a moderately hot month, with temperature in the range of an average low of 14.7°C (58.5°F) and an average high of 24.1°C (75.4°F). In Porto, the average high-temperature is relatively the same as in August - a still moderately hot 24.1°C (75.4°F). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Porto, Portugal, with temperature in the range of an average high of 20.7°C (69.3°F) and an average low of 12.2°C (54°F). In October, the average high-temperature marginally drops, from a moderately hot 24.1°C (75.4°F) in September, to an agreeable 20.7°C (69.3°F). Weather in October »

Weather in November

November, the last month of the autumn, in Porto, is another comfortable month, with temperature in the range of an average high of 17.1°C (62.8°F) and an average low of 8.9°C (48°F). In November, the average high-temperature marginally drops, from a pleasant 20.7°C (69.3°F) in October, to a comfortable 17.1°C (62.8°F). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Porto, Portugal, with temperature in the range of an average high of 14.4°C (57.9°F) and an average low of 6.9°C (44.4°F). In Porto, Portugal, the average high-temperature is practically the same as in November - a moderate 14.4°C (57.9°F). Weather in December »
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FAQ

What is the coldest month in Porto?

With an average high-temperature of 13.8°C (56.8°F) and an average low-temperature of 5.2°C (41.4°F), January is the coldest month in Porto, Portugal.

How many days does it rain in Porto?

Throughout the year, there are 147 rainfall days, and 1236.8mm (48.69") of precipitation is accumulated.

What is the month with the least sunshine in Porto?

Months with the least sunshine are January and December, with an average of 4h of sunshine.

When is the sea coldest in Porto?

Months with the coldest seawater are February and March, with an average sea temperature of 13.8°C (56.8°F).

When are the longest days in Porto?

The month with the longest days is June, with an average of 15.1h of daylight.

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

Months with the highest UV index in Porto, Portugal, are June through August, with an average maximum UV index of 8.

What is the driest month in Porto?

July is the month with the least rainfall. Rain falls for 6 days and accumulates 20.4mm (0.8") of precipitation.

What month has the most sunshine in Porto?

The month with the most sunshine in Porto, Portugal, is July, with an average of 9.9h of sunshine.

What is the warmest month in Porto?

August is the warmest month in Porto, Portugal, with an average high-temperature of 25.7°C (78.3°F) and an average low-temperature of 15.9°C (60.6°F).

What is the month with the warmest sea water in Porto?

With an average sea temperature of 18.2°C (64.8°F), September is the month with the warmest seawater in Porto, Portugal.

What is the rainiest month in Porto?

The month with the most rainfall is December when the rain falls for 15 days and typically aggregates up to 181mm (7.13") of precipitation.

What is the month with the shortest days in Porto?

December has the shortest days of the year in Porto, with an average of 9.3h of daylight.

What is the month with the lowest UV index in Porto?

The month with the lowest UV index in Porto is December, with an average maximum UV index of 1.

Average temperature
Porto, Portugal

Average temperature - Porto, Portugal

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (13.8°C).

Months with the highest average low temperature are July and August (15.9°C).
The coldest month (with the lowest average low temperature) is January (5.2°C).

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Average rainfall
Porto, Portugal

Average rainfall - Porto, Portugal

The wettest month (with the highest rainfall) is December (181mm).
The driest month (with the least rainfall) is July (20.4mm).

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Average rainfall days
Porto, Portugal

Average rainfall days - Porto, Portugal

The month with the highest number of rainy days is January (17 days).
The month with the least rainy days is August (5 days).

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Average sea temperature
Porto, Portugal

Average sea temperature - Porto, Portugal

The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest months (with the lowest average sea temperature) are February and March (13.8°C).

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Average daylight / Average sunshine
Porto, Portugal

Average daylight / Average sunshine - Porto, Portugal

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 9.9h).
Months with the least sunshine are January and December (Average sunshine: 4).

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