July Weather in Cathlamet, United States

Last updated: June 24, 2025

In July, the average temperature in Cathlamet, United States hovers around 16°C (62°F). Expect a pleasant range where the minimum can drop to 10°C (50°F) and the maximum can rise to 28°C (83°F). With an average humidity of 82%, be prepared for a bit of mugginess. Additionally, anticipate 11 mm (0.4 in) of precipitation over 3 days, adding a touch of freshness to the air.

July Temperature in Cathlamet

In July in Cathlamet, the average temperature is 16°C (62°F). Maximums can reach 28°C (83°F) and minimums can be as low as 10°C (50°F). This mild weather makes it an ideal time for outdoor activities and exploration in Cathlamet.

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

The chart illustrates July temperature patterns in Cathlamet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cathlamet, July typically has an average temperature of 16°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 10°C (50°F).

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

July Precipitation in Cathlamet

In Cathlamet in July, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

July Precipitation Trends in Cathlamet

The chart displays monthly precipitation patterns in Cathlamet, 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 Cathlamet, July typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Cathlamet

In Cathlamet in July, humidity is 82%. With an average temperature of 16°C (62°F), this humidity feels like a blanket of warmth enveloping you, making traveling feel sticky and heavy as you navigate through the air.

July Average Humidity in Cathlamet

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

In Cathlamet 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 Cathlamet.

Maximum UV Index Levels in Cathlamet for July

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

Data source: Cathlamet 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 Cathlamet Compares to Other Months

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

This table compares monthly weather conditions in Cathlamet, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	214 mm (8.4 inches)	86%	low
February Weather	5°C (41°F)	192 mm (7.5 inches)	84%	moderate
March Weather	7°C (45°F)	149 mm (5.9 inches)	85%	moderate
April Weather	10°C (50°F)	134 mm (5.3 inches)	83%	high
May Weather	12°C (55°F)	74 mm (2.9 inches)	84%	very high
June Weather	15°C (59°F)	62 mm (2.5 inches)	84%	very high
July Weather	16°C (62°F)	11 mm (0.4 inches)	82%	very high
August Weather	17°C (63°F)	12 mm (0.5 inches)	73%	very high
September Weather	16°C (60°F)	91 mm (3.6 inches)	74%	high
October Weather	11°C (52°F)	151 mm (5.9 inches)	83%	moderate
November Weather	8°C (46°F)	212 mm (8.3 inches)	86%	moderate
December Weather	5°C (41°F)	229 mm (9.0 inches)	87%	low