July Weather in Sines, Portugal

Last updated: August 27, 2025

In July, the average temperature in Sines, Portugal is a pleasant 21°C (70°F). It can dip to a minimum of 13°C (56°F), but can also soar to a maximum of 35°C (96°F), giving you a taste of both cool and warm weather. Precipitation is minimal, with just 3 mm (0.1 in) expected over 0 days, ensuring mostly dry days to enjoy. The average humidity sits at a comfortable 69%, making it a lovely time to explore!

July Temperature in Sines

In July in Sines, the average temperature is 21°C (70°F). Maximums can reach 35°C (96°F), while minimums can dip to 13°C (56°F). It's a great time to visit Sines for those who enjoy mild weather with warm days and cooler evenings.

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

The chart illustrates July temperature patterns in Sines, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sines, July typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (96°F) and lows dropping to around 13°C (56°F).

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

July Precipitation in Sines

In Sines in July, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

July Precipitation Trends in Sines

The chart displays monthly precipitation patterns in Sines, 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 Sines, July typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Sines

In Sines in July humidity is 69%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring occasional breaks for hydration and shade during your travels.

July Average Humidity in Sines

This chart illustrates the average monthly humidity levels in Sines, 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 Sines is approximately 69%, 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 Sines

In Sines in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sines.

Maximum UV Index Levels in Sines for July

The chart shows the monthly maximum UV Index (UVI) for Sines 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 Sines typically reaches 10, which falls under the very high exposure category.

Data source: Sines 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 Sines Compares to Other Months

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

This table compares monthly weather conditions in Sines, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	31 mm (1.2 inches)	80%	moderate
February Weather	13°C (55°F)	55 mm (2.2 inches)	73%	moderate
March Weather	14°C (57°F)	82 mm (3.2 inches)	71%	high
April Weather	15°C (59°F)	70 mm (2.7 inches)	69%	very high
May Weather	18°C (65°F)	27 mm (1.1 inches)	69%	very high
June Weather	19°C (67°F)	9 mm (0.4 inches)	67%	extreme
July Weather	21°C (70°F)	3 mm (0.1 inches)	69%	very high
August Weather	21°C (71°F)	2 mm (0.1 inches)	68%	very high
September Weather	21°C (70°F)	13 mm (0.5 inches)	71%	very high
October Weather	18°C (65°F)	45 mm (1.8 inches)	75%	high
November Weather	15°C (59°F)	62 mm (2.4 inches)	78%	moderate
December Weather	13°C (55°F)	52 mm (2.0 inches)	81%	moderate