July Weather in Sumner, United States

Last updated: June 24, 2025

In July, the average temperature in Sumner, United States is a pleasant 26°C (80°F). However, be prepared for a range, as temperatures can dip to a minimum of 14°C (58°F) and soar to a maximum of 36°C (98°F). Keep an umbrella handy—97 mm (3.8 in) of precipitation falls over 11 days this month, contributing to an average humidity of 82%. 🌧️

July Temperature in Sumner

In July in Sumner, the average temperature is 26°C (80°F). Maximums can reach 36°C (98°F) and minimums can be as low as 14°C (58°F). This makes Sumner a great destination for travelers looking to enjoy warm weather along with some cooler evenings.

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

The chart illustrates July temperature patterns in Sumner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumner, July typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (98°F) and lows dropping to around 14°C (58°F).

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

July Precipitation in Sumner

In Sumner in July, the total precipitation amount is 97 mm (3.8 in) over the course of 11 days.

July Precipitation Trends in Sumner

The chart displays monthly precipitation patterns in Sumner, 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 Sumner, July typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 11 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 Sumner

In Sumner in July, humidity is 82%. With an average temperature of 26°C (80°F), this humidity feels like a heavy, warm blanket wrapping around you, making outdoor activities feel more exhausting and sweaty, which can be quite challenging for traveling.

July Average Humidity in Sumner

This chart illustrates the average monthly humidity levels in Sumner, 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 Sumner 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 Sumner

In Sumner 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 Sumner.

Maximum UV Index Levels in Sumner for July

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

Data source: Sumner 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 Sumner Compares to Other Months

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

This table compares monthly weather conditions in Sumner, 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 (33°F)	91 mm (3.6 inches)	84%	moderate
February Weather	2°C (37°F)	107 mm (4.2 inches)	82%	moderate
March Weather	8°C (47°F)	133 mm (5.2 inches)	84%	high
April Weather	13°C (56°F)	120 mm (4.7 inches)	83%	very high
May Weather	20°C (68°F)	133 mm (5.3 inches)	80%	very high
June Weather	25°C (77°F)	112 mm (4.4 inches)	83%	extreme
July Weather	26°C (80°F)	97 mm (3.8 inches)	82%	very high
August Weather	25°C (77°F)	92 mm (3.6 inches)	82%	very high
September Weather	22°C (73°F)	70 mm (2.7 inches)	79%	very high
October Weather	16°C (60°F)	100 mm (3.9 inches)	79%	high
November Weather	7°C (44°F)	102 mm (4.0 inches)	88%	moderate
December Weather	4°C (39°F)	95 mm (3.7 inches)	87%	moderate