July Weather in Holtville, United States

Last updated: June 24, 2025

The average temperature in Holtville, United States during July is a warm 27°C (81°F). Temperatures can vary significantly, with a minimum of 19°C (66°F) and a maximum reaching 35°C (96°F). Expect 116 mm (4.6 in) of precipitation spread over about 16 days, contributing to an average humidity level of 77%.

July Temperature in Holtville

In July in Holtville, the average temperature is 27°C (81°F), with maximums reaching 35°C (96°F) and minimums dropping to as low as 19°C (66°F). This mild climate makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 19°C (66°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 116 mm (4.6 in) over a period of 16 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 116 mm (4.6 inches) of precipitation spread over approximately 16 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 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

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 77%, 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 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 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 11, 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	9°C (48°F)	122 mm (4.8 inches)	85%	moderate
February Weather	12°C (54°F)	147 mm (5.8 inches)	84%	high
March Weather	15°C (60°F)	129 mm (5.1 inches)	82%	very high
April Weather	18°C (65°F)	137 mm (5.4 inches)	82%	very high
May Weather	23°C (73°F)	128 mm (5.0 inches)	81%	extreme
June Weather	26°C (78°F)	146 mm (5.7 inches)	77%	extreme
July Weather	27°C (81°F)	116 mm (4.6 inches)	77%	extreme
August Weather	27°C (81°F)	111 mm (4.4 inches)	72%	extreme
September Weather	25°C (78°F)	93 mm (3.6 inches)	73%	very high
October Weather	20°C (69°F)	119 mm (4.7 inches)	73%	very high
November Weather	13°C (55°F)	82 mm (3.2 inches)	85%	high
December Weather	11°C (51°F)	148 mm (5.8 inches)	88%	moderate