July Weather in Mill Creek, United States

Last updated: June 24, 2025

In Mill Creek, United States, the average temperature in July hovers around 21°C (70°F), with daytime highs reaching up to 30°C (87°F) and cooler nights dropping to 10°C (51°F). Expect 120 mm (4.7 in) of precipitation over 16 days, along with an average humidity of 82%, providing a lush and vibrant atmosphere.

July Temperature in Mill Creek

In July in Mill Creek, the average temperature is 21°C (70°F). Maxima can reach 30°C (87°F) and minima can drop to as low as 10°C (51°F). This makes it a perfect time for traveling, allowing visitors to enjoy mild weather while exploring all that Mill Creek has to offer.

July Weather in Mill Creek: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Mill Creek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mill Creek, July typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (87°F) and lows dropping to around 10°C (51°F).

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

July Precipitation in Mill Creek

In Mill Creek in July, the precipitation amount is 120 mm (4.7 in) spread over 16 days.

July Precipitation Trends in Mill Creek

The chart displays monthly precipitation patterns in Mill Creek, 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 Mill Creek, July typically receives around 120 mm (4.7 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 Mill Creek

In Mill Creek in July, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

July Average Humidity in Mill Creek

This chart illustrates the average monthly humidity levels in Mill Creek, 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 Mill Creek is approximately 82%, 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 Mill Creek

In Mill Creek 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 Mill Creek.

Maximum UV Index Levels in Mill Creek for July

The chart shows the monthly maximum UV Index (UVI) for Mill Creek 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 Mill Creek typically reaches 11, which falls under the extreme exposure category.

Data source: Mill Creek 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 Mill Creek Compares to Other Months

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

This table compares monthly weather conditions in Mill Creek, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	104 mm (4.1 inches)	88%	moderate
February Weather	2°C (36°F)	158 mm (6.2 inches)	88%	moderate
March Weather	5°C (41°F)	127 mm (5.0 inches)	88%	high
April Weather	10°C (50°F)	160 mm (6.3 inches)	86%	very high
May Weather	15°C (60°F)	174 mm (6.9 inches)	82%	extreme
June Weather	19°C (66°F)	141 mm (5.6 inches)	84%	extreme
July Weather	21°C (70°F)	120 mm (4.7 inches)	82%	extreme
August Weather	20°C (68°F)	144 mm (5.7 inches)	73%	very high
September Weather	18°C (64°F)	116 mm (4.6 inches)	73%	very high
October Weather	13°C (55°F)	129 mm (5.1 inches)	81%	high
November Weather	5°C (41°F)	91 mm (3.6 inches)	89%	moderate
December Weather	2°C (36°F)	129 mm (5.1 inches)	86%	moderate