July Weather in Castlegar, Canada

Last updated: June 18, 2025

In Castlegar, Canada, the average temperature in July is a pleasant 19°C (66°F). However, temperatures can vary significantly, with a minimum of 4°C (40°F) and a maximum of 38°C (101°F). During this month, expect about 32 mm (1.3 in) of precipitation over 7 days, contributing to an average humidity of 84%.

July Temperature in Castlegar

In July in Castlegar, the average temperature is 19°C (66°F). Maximums can reach 38°C (101°F), while minimums can drop as low as 4°C (40°F). Whether you're looking for warm sunshine or cooler evenings, it's a great time to explore all that Castlegar has to offer.

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

The chart illustrates July temperature patterns in Castlegar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castlegar, July typically has an average temperature of 19°C (66°F), with highs reaching up to 38°C (101°F) and lows dropping to around 4°C (40°F).

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

July Precipitation in Castlegar

In Castlegar in July, the precipitation amount is 32 mm (1.3 in) over the course of 7 days.

July Precipitation Trends in Castlegar

The chart displays monthly precipitation patterns in Castlegar, 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 Castlegar, July typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 7 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 Castlegar

In Castlegar in July, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.

July Average Humidity in Castlegar

This chart illustrates the average monthly humidity levels in Castlegar, 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 Castlegar is approximately 84%, 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 Castlegar

In Castlegar 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 Castlegar.

Maximum UV Index Levels in Castlegar for July

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

Data source: Castlegar 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 Castlegar Compares to Other Months

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

This table compares monthly weather conditions in Castlegar, 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 (21°F)	100 mm (4.0 inches)	90%	low
February Weather	-6°C (21°F)	88 mm (3.5 inches)	91%	moderate
March Weather	0°C (32°F)	101 mm (4.0 inches)	89%	moderate
April Weather	4°C (39°F)	92 mm (3.6 inches)	85%	high
May Weather	10°C (50°F)	78 mm (3.1 inches)	82%	very high
June Weather	14°C (58°F)	70 mm (2.8 inches)	81%	very high
July Weather	19°C (66°F)	32 mm (1.3 inches)	84%	very high
August Weather	18°C (65°F)	37 mm (1.5 inches)	75%	very high
September Weather	12°C (54°F)	69 mm (2.7 inches)	74%	high
October Weather	4°C (40°F)	92 mm (3.6 inches)	85%	moderate
November Weather	-1°C (31°F)	118 mm (4.6 inches)	88%	low
December Weather	-6°C (22°F)	114 mm (4.5 inches)	93%	low