July 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 July

July, the same as June, is another warm summer month in Lisbon, Portugal, with average temperature ranging between max 28.2°C (82.8°F) and min 18.2°C (64.8°F).

Temperature

In July, the average high-temperature is practically the same as in June - a still warm 28.2°C (82.8°F). In July, in Lisbon, Portugal, the average low-temperature is 18.2°C (64.8°F).

Rainfall

The month with the least rainfall in Lisbon is July when the rain falls for 2 days and typically collects 4.2mm (0.17") of precipitation.

Sea temperature

In Lisbon, the average water temperature is 18.9°C (66°F).
Note: For most, swimming in 18.9°C (66°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in Lisbon is 14.6h.

Sunshine

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

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 9 interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.
[Resources]

FAQ

What is the driest month in Lisbon?

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

How much does it rain in Lisbon in July?

In Lisbon, in July, it is raining for 2 days, with typically 4.2mm (0.17") of accumulated precipitation.

How cold is the water in July in Lisbon?

In Lisbon, in July, the average water temperature is 18.9°C (66°F). For most, swimming in 18.9°C (66°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Lisbon have in July?

In Lisbon, Portugal, the average length of the day in July is 14.6h.

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.

How long on average sun shines in July in Lisbon?

In Lisbon, the average sunshine in July is 11h.

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

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

What is the UV index reading in July in Lisbon?

The average daily maximum UV index in July is 9. A UV Index of 8 to 10 symbolizes a very high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in July
Lisbon, Portugal

Average temperature in July - Lisbon, Portugal
  • Average high temperature in July: 28.2°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 July: 18.2°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).

[Resources]

Average rainfall in July
Lisbon, Portugal

Average rainfall in July - Lisbon, Portugal
  • Average rainfall in July: 4.2mm

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

[Resources]

Average rainfall days in July
Lisbon, Portugal

Average rainfall days in July - Lisbon, Portugal
  • Average rainfall days in July: 2 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).

[Resources]

Average sea temperature in July
Lisbon, Portugal

Average sea temperature in July - Lisbon, Portugal
  • Average sea temperature in July: 18.9°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).

[Resources]

Average daylight in July /
Average sunshine in July
Lisbon, Portugal

Average daylight in July / Average sunshine in July - Lisbon, Portugal
  • Average daylight in July: 14.6h

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 July: 11h

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).

[Resources]

Average UV index in July
Lisbon, Portugal

Average UV index in July - Lisbon, Portugal
  • Average UV index in July: 9

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location