March 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 March

The first month of the spring, March, is also an enjoyable month in Lisbon, Portugal, with average temperature fluctuating between 11°C (51.8°F) and 18.8°C (65.8°F).

Temperature

In March, the average high-temperature is practically the same as in February - a still comfortable 18.8°C (65.8°F). The average low-temperature, in Lisbon, is 11°C (51.8°F).

Rainfall

In March, in Lisbon, the rain falls for 13 days. Throughout March, 53.2mm (2.09") of precipitation is accumulated. Throughout the year, in Lisbon, there are 112 rainfall days, and 774mm (30.47") of precipitation is accumulated.

Sea temperature

March is the month with the coldest seawater in Lisbon, with an average sea temperature of 15.1°C (59.2°F).
Note: Swimming in 15.1°C (59.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In March, the average length of the day in Lisbon is 12h.

Sunshine

The average sunshine is 7h.

UV index

In Lisbon, the average daily maximum UV index in March is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In March, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

How much does it rain in Lisbon in March?

In Lisbon, Portugal, in March, during 13 rainfall days, 53.2mm (2.09") of precipitation is typically accumulated.

What is the month with the coldest sea water in Lisbon?

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

What is the sea temperature in March in Lisbon?

In Lisbon, in March, the average water temperature is 15.1°C (59.2°F). Swimming in 15.1°C (59.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Lisbon have in March?

In March, the average length of the day in Lisbon, Portugal, is 12h.

How long on average sun shines in March in Lisbon?

In Lisbon, the average sunshine in March is 7h.

What is the UV index reading in March in Lisbon?

In Lisbon, Portugal, the average daily maximum UV index in March is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in March
Lisbon, Portugal

Average temperature in March - Lisbon, Portugal
  • Average high temperature in March: 18.8°C

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).

  • Average low temperature in March: 11°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 in March
Lisbon, Portugal

Average rainfall in March - Lisbon, Portugal
  • Average rainfall in March: 53.2mm

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 in March
Lisbon, Portugal

Average rainfall days in March - Lisbon, Portugal
  • Average rainfall days in March: 13 days

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 in March
Lisbon, Portugal

Average sea temperature in March - Lisbon, Portugal
  • Average sea temperature in March: 15.1°C

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 in March /
Average sunshine in March
Lisbon, Portugal

Average daylight in March / Average sunshine in March - Lisbon, Portugal
  • Average daylight in March: 12h

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

  • Average sunshine in March: 7h

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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Average UV index in March
Lisbon, Portugal

Average UV index in March - Lisbon, Portugal
  • Average UV index in March: 5

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 2).

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