July Weather in Santas Marias, Mexico

Last updated: August 26, 2025

In July, the average temperature in Santas Marias, Mexico hovers around 18°C (65°F), creating a comfortable climate. However, temperatures can fluctuate, with lows of 11°C (52°F) and highs reaching up to 27°C (80°F). Be prepared for significant precipitation, totaling 404 mm (15.9 in) over 31 days, and embrace the humidity, which averages a warm 83%.

July Temperature in Santas Marias

In July in Santas Marias, the average temperature is 18°C (65°F), with maximums reaching 27°C (80°F) and minimums dropping to as low as 11°C (52°F). This comfortable climate makes Santas Marias an ideal destination for outdoor adventures and sightseeing.

July Weather in Santas Marias: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Santas Marias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santas Marias, July typically has an average temperature of 18°C (65°F), with highs reaching up to 27°C (80°F) and lows dropping to around 11°C (52°F).

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

July Precipitation in Santas Marias

In Santas Marias in July, the total precipitation amount is 404 mm (15.9 in) over the course of 31 days.

July Precipitation Trends in Santas Marias

The chart displays monthly precipitation patterns in Santas Marias, 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 Santas Marias, July typically receives around 404 mm (15.9 inches) of precipitation spread over approximately 31 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 Santas Marias

In Santas Marias in July, humidity is 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

July Average Humidity in Santas Marias

This chart illustrates the average monthly humidity levels in Santas Marias, 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 Santas Marias 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 Santas Marias

In Santas Marias in July, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santas Marias, you can check here.

Maximum UV Index Levels in Santas Marias for July

The chart shows the monthly maximum UV Index (UVI) for Santas Marias 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 Santas Marias typically reaches 14, which falls under the extreme exposure category.

Data source: Santas Marias 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 Santas Marias Compares to Other Months

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

This table compares monthly weather conditions in Santas Marias, 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)	14 mm (0.5 inches)	70%	very high
February Weather	16°C (61°F)	13 mm (0.5 inches)	64%	extreme
March Weather	18°C (65°F)	14 mm (0.6 inches)	54%	extreme
April Weather	19°C (67°F)	6 mm (0.2 inches)	61%	extreme
May Weather	20°C (68°F)	97 mm (3.8 inches)	75%	extreme
June Weather	19°C (66°F)	325 mm (12.8 inches)	83%	extreme
July Weather	18°C (65°F)	404 mm (15.9 inches)	83%	extreme
August Weather	18°C (65°F)	411 mm (16.2 inches)	85%	extreme
September Weather	18°C (64°F)	356 mm (14.0 inches)	85%	extreme
October Weather	18°C (64°F)	241 mm (9.5 inches)	79%	extreme
November Weather	16°C (61°F)	82 mm (3.2 inches)	76%	very high
December Weather	15°C (59°F)	11 mm (0.4 inches)	74%	very high