July Weather in Seixal, Portugal

Last updated: August 27, 2025

In July, the average temperature in Seixal, Portugal hovers around 20°C (68°F), with a minimum of 16°C (62°F) and a maximum reaching 27°C (82°F). The region experiences 7 mm (0.3 in) of precipitation over the course of just 1 day, contributing to an average humidity of 83%.

July Temperature in Seixal

In July in Seixal, the average temperature is 20°C (68°F). The maximum can reach 27°C (82°F), and the minimum can be as low as 16°C (62°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates July temperature patterns in Seixal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seixal, July typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (82°F) and lows dropping to around 16°C (62°F).

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

July Precipitation in Seixal

In Seixal in July, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

July Precipitation Trends in Seixal

The chart displays monthly precipitation patterns in Seixal, 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 Seixal, July typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 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 Seixal

In Seixal in July humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.

July Average Humidity in Seixal

This chart illustrates the average monthly humidity levels in Seixal, 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 Seixal is approximately 83%, 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 Seixal

In Seixal in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Seixal.

Maximum UV Index Levels in Seixal for July

The chart shows the monthly maximum UV Index (UVI) for Seixal 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 Seixal typically reaches 11, which falls under the extreme exposure category.

Data source: Seixal 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 Seixal Compares to Other Months

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

This table compares monthly weather conditions in Seixal, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	38 mm (1.5 inches)	75%	moderate
February Weather	14°C (58°F)	60 mm (2.4 inches)	75%	high
March Weather	14°C (58°F)	52 mm (2.1 inches)	78%	very high
April Weather	15°C (60°F)	56 mm (2.2 inches)	78%	very high
May Weather	17°C (62°F)	23 mm (0.9 inches)	77%	extreme
June Weather	18°C (65°F)	36 mm (1.4 inches)	80%	extreme
July Weather	20°C (68°F)	7 mm (0.3 inches)	83%	extreme
August Weather	21°C (71°F)	8 mm (0.3 inches)	83%	extreme
September Weather	21°C (70°F)	18 mm (0.7 inches)	81%	very high
October Weather	20°C (67°F)	57 mm (2.3 inches)	80%	very high
November Weather	17°C (63°F)	67 mm (2.6 inches)	75%	high
December Weather	16°C (61°F)	58 mm (2.3 inches)	75%	moderate