July Weather in Delta, United States

Last updated: June 24, 2025

In Delta, United States, the average temperature in July hovers around 25°C (77°F). However, be prepared for fluctuations, as temperatures can drop to a brisk 8°C (47°F) or soar to a sizzling 39°C (102°F). Rainfall is minimal, with an average of 13 mm (0.5 in) spread over 3 days, and humidity remains relatively low at 39%.

July Temperature in Delta

In July in Delta, the average temperature is 25°C (77°F). Maximums can reach 39°C (102°F), while minimums can dip as low as 8°C (47°F). Be prepared for warm days and cool evenings when traveling during this time.

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

The chart illustrates July temperature patterns in Delta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delta, July typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (102°F) and lows dropping to around 8°C (47°F).

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

July Precipitation in Delta

In Delta in July, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

July Precipitation Trends in Delta

The chart displays monthly precipitation patterns in Delta, 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 Delta, July typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 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 Delta

In Delta in July, humidity is 39%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you can enjoy the outdoors without feeling too sticky or weighed down.

July Average Humidity in Delta

This chart illustrates the average monthly humidity levels in Delta, 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 Delta is approximately 39%, 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 Delta

In Delta 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 Delta.

Maximum UV Index Levels in Delta for July

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

Data source: Delta 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 Delta Compares to Other Months

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

This table compares monthly weather conditions in Delta, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	31 mm (1.2 inches)	90%	moderate
February Weather	-1°C (30°F)	42 mm (1.7 inches)	89%	high
March Weather	4°C (40°F)	47 mm (1.8 inches)	81%	very high
April Weather	10°C (50°F)	26 mm (1.0 inches)	74%	very high
May Weather	15°C (60°F)	26 mm (1.0 inches)	58%	extreme
June Weather	22°C (71°F)	11 mm (0.4 inches)	47%	extreme
July Weather	25°C (77°F)	13 mm (0.5 inches)	39%	extreme
August Weather	23°C (74°F)	10 mm (0.4 inches)	39%	extreme
September Weather	19°C (66°F)	20 mm (0.8 inches)	53%	very high
October Weather	9°C (49°F)	36 mm (1.4 inches)	72%	high
November Weather	4°C (39°F)	21 mm (0.8 inches)	84%	moderate
December Weather	-3°C (28°F)	31 mm (1.2 inches)	90%	moderate