July Weather in Saint-Nazaire, Canada

Last updated: June 18, 2025

In Saint-Nazaire, Canada, the average temperature in July hovers around 20°C (68°F), with minimums dipping to 4°C (40°F) and maximums soaring up to 35°C (95°F). Expect a precipitation amount of 122 mm (4.8 in) over approximately 14 days, accompanied by an average humidity of 81%. Prepare for a dynamic climate this month!

July Temperature in Saint-Nazaire

In July in Saint-Nazaire, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F), and minimums can be as low as 4°C (40°F). This makes Saint-Nazaire an ideal destination for travelers, offering pleasant weather for a variety of outdoor activities.

July Weather in Saint-Nazaire: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Saint-Nazaire, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Nazaire, July typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).

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

July Precipitation in Saint-Nazaire

In Saint-Nazaire in July, the total precipitation amount is 122 mm (4.8 in) over the course of 14 days.

July Precipitation Trends in Saint-Nazaire

The chart displays monthly precipitation patterns in Saint-Nazaire, 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 Saint-Nazaire, July typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 14 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 Saint-Nazaire

In Saint-Nazaire in July humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

July Average Humidity in Saint-Nazaire

This chart illustrates the average monthly humidity levels in Saint-Nazaire, 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 Saint-Nazaire is approximately 81%, 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 Saint-Nazaire

In Saint-Nazaire in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Saint-Nazaire.

Maximum UV Index Levels in Saint-Nazaire for July

The chart shows the monthly maximum UV Index (UVI) for Saint-Nazaire 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 Saint-Nazaire typically reaches 8, which falls under the very high exposure category.

Data source: Saint-Nazaire 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 Saint-Nazaire Compares to Other Months

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

This table compares monthly weather conditions in Saint-Nazaire, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	66 mm (2.6 inches)	96%	low
February Weather	-12°C (11°F)	59 mm (2.3 inches)	94%	moderate
March Weather	-6°C (22°F)	81 mm (3.2 inches)	91%	moderate
April Weather	2°C (36°F)	86 mm (3.4 inches)	90%	high
May Weather	10°C (51°F)	95 mm (3.7 inches)	80%	very high
June Weather	16°C (61°F)	83 mm (3.3 inches)	73%	very high
July Weather	20°C (68°F)	122 mm (4.8 inches)	81%	very high
August Weather	18°C (65°F)	116 mm (4.6 inches)	84%	very high
September Weather	13°C (56°F)	125 mm (4.9 inches)	85%	high
October Weather	7°C (44°F)	123 mm (4.8 inches)	89%	moderate
November Weather	-1°C (30°F)	99 mm (3.9 inches)	91%	low
December Weather	-10°C (15°F)	77 mm (3.0 inches)	97%	low