July Weather in Heppner, United States

Last updated: June 24, 2025

In Heppner, United States, the average temperature in July hovers around 22°C (72°F), offering a pleasant climate. However, be prepared for a range, as temperatures can dip to a cool 6°C (42°F) or soar up to a sizzling 38°C (100°F). With a minimal precipitation amount of just 2 mm (0.1 in) over 0 days, you can expect dry conditions. Pack accordingly, as the average humidity stays at 76%, adding a touch of warmth to the air!

July Temperature in Heppner

In July in Heppner, the average temperature is 22°C (72°F). Maximums can reach 38°C (100°F), while minimums can drop to 6°C (42°F). This range offers a pleasant climate for travelers, making it an ideal time to explore the beauty and attractions of Heppner.

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

The chart illustrates July temperature patterns in Heppner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heppner, July typically has an average temperature of 22°C (72°F), with highs reaching up to 38°C (100°F) and lows dropping to around 6°C (42°F).

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

July Precipitation in Heppner

In Heppner in July, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

July Precipitation Trends in Heppner

The chart displays monthly precipitation patterns in Heppner, 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 Heppner, July typically receives around 2 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 Heppner

In Heppner in July humidity is 76%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as you navigate through the thick, saturated air.

July Average Humidity in Heppner

This chart illustrates the average monthly humidity levels in Heppner, 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 Heppner is approximately 76%, 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 Heppner

In Heppner 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 Heppner.

Maximum UV Index Levels in Heppner for July

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

Data source: Heppner 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 Heppner Compares to Other Months

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

This table compares monthly weather conditions in Heppner, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	60 mm (2.3 inches)	86%	moderate
February Weather	0°C (33°F)	85 mm (3.3 inches)	86%	moderate
March Weather	4°C (39°F)	69 mm (2.7 inches)	85%	high
April Weather	8°C (46°F)	69 mm (2.7 inches)	83%	very high
May Weather	12°C (55°F)	47 mm (1.8 inches)	77%	very high
June Weather	17°C (63°F)	27 mm (1.1 inches)	81%	very high
July Weather	22°C (72°F)	2 mm (0.1 inches)	76%	very high
August Weather	22°C (71°F)	10 mm (0.4 inches)	60%	very high
September Weather	16°C (61°F)	27 mm (1.1 inches)	58%	very high
October Weather	9°C (48°F)	46 mm (1.8 inches)	75%	moderate
November Weather	4°C (39°F)	65 mm (2.5 inches)	85%	moderate
December Weather	0°C (33°F)	61 mm (2.4 inches)	87%	low