July Weather in Tumwater, United States

Last updated: June 24, 2025

In July, the average temperature in Tumwater, United States is a pleasant 18°C (65°F), with a minimum dipping to 10°C (49°F) and a maximum soaring to 33°C (92°F). Expect a bit of rainfall, averaging 9 mm (0.4 in) spread over just 2 days, and prepare for a relatively high average humidity of 82%.

July Temperature in Tumwater

In July in Tumwater, the average temperature is 18°C (65°F). Maximums can reach 33°C (92°F), while minimums can dip as low as 10°C (49°F). This makes Tumwater an ideal destination for travelers seeking pleasant weather and a comfortable climate.

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

The chart illustrates July temperature patterns in Tumwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tumwater, July typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 10°C (49°F).

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

July Precipitation in Tumwater

In Tumwater in July, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

July Precipitation Trends in Tumwater

The chart displays monthly precipitation patterns in Tumwater, 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 Tumwater, July typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 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 Tumwater

In Tumwater in July, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

July Average Humidity in Tumwater

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

In Tumwater in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Tumwater.

Maximum UV Index Levels in Tumwater for July

The chart shows the monthly maximum UV Index (UVI) for Tumwater 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 Tumwater typically reaches 9, which falls under the very high exposure category.

Data source: Tumwater 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 Tumwater Compares to Other Months

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

This table compares monthly weather conditions in Tumwater, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	197 mm (7.8 inches)	86%	low
February Weather	5°C (41°F)	155 mm (6.1 inches)	84%	moderate
March Weather	7°C (45°F)	134 mm (5.3 inches)	85%	moderate
April Weather	10°C (50°F)	117 mm (4.6 inches)	83%	high
May Weather	13°C (56°F)	65 mm (2.6 inches)	84%	very high
June Weather	16°C (61°F)	51 mm (2.0 inches)	84%	very high
July Weather	18°C (65°F)	9 mm (0.4 inches)	82%	very high
August Weather	19°C (66°F)	12 mm (0.5 inches)	73%	very high
September Weather	16°C (61°F)	88 mm (3.5 inches)	74%	high
October Weather	11°C (52°F)	133 mm (5.3 inches)	83%	moderate
November Weather	8°C (46°F)	192 mm (7.5 inches)	86%	moderate
December Weather	5°C (42°F)	203 mm (8.0 inches)	87%	low