July Weather in Lisbon, United States

Last updated: June 24, 2025

In July, the average temperature in Lisbon, United States hovers around 21°C (69°F), making it a pleasant time to visit. However, be prepared for temperature fluctuations, as it can dip to a minimum of 7°C (46°F) and soar to a maximum of 35°C (95°F). Expect about 110 mm (4.3 in) of precipitation over 13 days, with average humidity levels around 75%, contributing to a tropical atmosphere.

July Temperature in Lisbon

In July in Lisbon, the average temperature is 21°C (69°F). Maximum can reach 35°C (95°F) and minimum can be as low as 7°C (46°F). Overall, this month offers a pleasant climate suitable for various activities, making it an ideal time to explore Lisbon.

July Weather in Lisbon: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Lisbon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lisbon, July typically has an average temperature of 21°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (46°F).

Data source: Temperature data for Lisbon generated using information from the Copernicus Climate Change Service.

July Precipitation in Lisbon

In Lisbon in July, the total precipitation amount is 110 mm (4.3 in) over the course of 13 days.

July Precipitation Trends in Lisbon

The chart displays monthly precipitation patterns in Lisbon, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Lisbon, July typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Lisbon

In Lisbon in July, humidity is 75%. With an average temperature of 21°C (69°F), this humidity feels like a warm, sticky embrace that can make even a short walk feel exhausting for travelers, often leading to a longing for refreshing breezes or air-conditioned retreats.

July Average Humidity in Lisbon

This chart illustrates the average monthly humidity levels in Lisbon, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Lisbon is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Lisbon

In Lisbon in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lisbon.

Maximum UV Index Levels in Lisbon for July

The chart shows the monthly maximum UV Index (UVI) for Lisbon in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Lisbon typically reaches 9, which falls under the very high exposure category.

Data source: Lisbon July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Lisbon Compares to Other Months

Weather in Lisbon varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Lisbon, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lisbon, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	76 mm (3.0 inches)	91%	low
February Weather	-5°C (22°F)	75 mm (3.0 inches)	89%	moderate
March Weather	-1°C (30°F)	65 mm (2.6 inches)	85%	moderate
April Weather	6°C (43°F)	109 mm (4.3 inches)	84%	very high
May Weather	13°C (55°F)	92 mm (3.6 inches)	78%	very high
June Weather	18°C (64°F)	95 mm (3.7 inches)	72%	very high
July Weather	21°C (69°F)	110 mm (4.3 inches)	75%	very high
August Weather	20°C (67°F)	79 mm (3.1 inches)	74%	very high
September Weather	16°C (60°F)	63 mm (2.5 inches)	77%	high
October Weather	9°C (49°F)	129 mm (5.1 inches)	85%	moderate
November Weather	1°C (34°F)	100 mm (3.9 inches)	86%	moderate
December Weather	-4°C (24°F)	84 mm (3.3 inches)	85%	low