July Weather in Holtville, United States

Last updated: June 24, 2025

In July, the average temperature in Holtville, United States soars to 36°C (98°F), with a minimum of 20°C (69°F) and a sizzling maximum reaching 49°C (121°F). Expect a dry spell with just 8 mm (0.3 in) of precipitation over 2 days, resulting in an average humidity of 46%—perfect for those who enjoy the heat!

July Temperature in Holtville

In July in Holtville, the average temperature is 36°C (98°F). The maximum can reach 49°C (121°F), while the minimum can drop to as low as 20°C (69°F). Be prepared for extreme heat and make sure to stay hydrated while exploring this vibrant destination.

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

The chart illustrates July temperature patterns in Holtville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holtville, July typically has an average temperature of 36°C (98°F), with highs reaching up to 49°C (121°F) and lows dropping to around 20°C (69°F).

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

July Precipitation in Holtville

In Holtville in July, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

July Precipitation Trends in Holtville

The chart displays monthly precipitation patterns in Holtville, 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 Holtville, July typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Holtville

In Holtville in July, humidity is 46%. With an average temperature of 36°C (98°F), this humidity feels like stepping into a steamy embrace, creating a heavy blanket of heat that makes exploring the outdoors feel more challenging and requires frequent breaks for hydration.

July Average Humidity in Holtville

This chart illustrates the average monthly humidity levels in Holtville, 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 Holtville is approximately 46%, 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 Holtville

In Holtville in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Holtville.

Maximum UV Index Levels in Holtville for July

The chart shows the monthly maximum UV Index (UVI) for Holtville 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 Holtville typically reaches 12, which falls under the extreme exposure category.

Data source: Holtville 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 Holtville Compares to Other Months

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

This table compares monthly weather conditions in Holtville, 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)	10 mm (0.4 inches)	72%	moderate
February Weather	16°C (62°F)	15 mm (0.6 inches)	77%	high
March Weather	20°C (68°F)	10 mm (0.4 inches)	67%	very high
April Weather	24°C (76°F)	4 mm (0.2 inches)	56%	very high
May Weather	27°C (82°F)	1 mm (0.1 inches)	46%	extreme
June Weather	33°C (91°F)	0 mm (0.0 inches)	48%	extreme
July Weather	36°C (98°F)	8 mm (0.3 inches)	46%	extreme
August Weather	36°C (98°F)	6 mm (0.3 inches)	42%	extreme
September Weather	32°C (90°F)	9 mm (0.4 inches)	52%	very high
October Weather	25°C (78°F)	3 mm (0.1 inches)	58%	high
November Weather	19°C (67°F)	4 mm (0.2 inches)	66%	moderate
December Weather	14°C (58°F)	10 mm (0.4 inches)	74%	moderate